:root {
  color-scheme: dark;
  --bg: #07111d;
  --panel: #0b1a29;
  --panel-light: #0e2133;
  --blue: #0057b8;
  --blue-bright: #42a5ff;
  --text: #f1f6fc;
  --muted: #a5b6c8;
  --line: #20384e;
  --green: #31d994;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 5px;
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 7vw;
  border-bottom: 1px solid #ffffff0c;
  background: #07111df2;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border: 1px solid #278fff88;
  border-radius: 11px;
  color: #fff;
  font-weight: 900;
  font-size: 19px;
  background: linear-gradient(145deg, #0057b8, #09233e);
  box-shadow: 0 5px 22px #0057b833;
}
.brand b { display: block; letter-spacing: 2px; font-size: 15px; line-height: 1.4; }
.brand small { display: block; color: #90a5ba; font-size: 9px; letter-spacing: 3.2px; }
.nav nav { display: flex; align-items: center; gap: clamp(15px, 2.5vw, 32px); color: #a9bacb; font-size: 13px; }
.nav nav a, .button, .nav-cta { transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.nav nav a:hover { color: #fff; }
.nav-cta, .button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  padding: 12px 19px;
  border: 1px solid #2889ee;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 750;
  box-shadow: 0 8px 25px #0057b82c;
}
.nav-cta:hover, .button.primary:hover { background: #0872dc; transform: translateY(-2px); }
.hero {
  min-height: 640px;
  padding: 94px 7vw 100px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  background:
    radial-gradient(ellipse at 83% 38%, #0057b82b, transparent 38%),
    radial-gradient(ellipse at 4% 5%, #12436b24, transparent 38%),
    linear-gradient(135deg, #07111d 15%, #091827 100%);
}
.hero-copy { max-width: 690px; }
.eyebrow {
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--blue-bright);
  font-weight: 800;
  margin-bottom: 17px;
}
.hero h1 {
  font-size: clamp(46px, 6.1vw, 78px);
  line-height: 1.04;
  letter-spacing: -3.5px;
  margin: 0 0 25px;
  font-weight: 850;
}
.hero h1 span {
  color: #58b0ff;
  background: linear-gradient(90deg, #58b0ff, #a2d4ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p { max-width: 590px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 12px 19px; border: 1px solid #2a435b; border-radius: 9px; font-size: 13px; font-weight: 700; }
.button.ghost { color: #d0deeb; background: #ffffff04; }
.button.ghost:hover { border-color: #439df2; background: #0b7cff12; }
.network-card {
  border: 1px solid #284761;
  border-radius: 22px;
  padding: 27px;
  background:
    radial-gradient(ellipse at 50% 40%, #0d3c6255, transparent 55%),
    linear-gradient(145deg, #10263a, #08131f 78%);
  box-shadow: 0 28px 90px #0005, inset 0 1px #ffffff08;
  position: relative;
  overflow: hidden;
}
.network-card:after {
  content: "";
  position: absolute;
  inset: 20% -20% auto;
  height: 1px;
  background: #1787ff66;
  box-shadow: 0 110px 0 #1787ff30;
  pointer-events: none;
}
.card-top { display: flex; justify-content: space-between; align-items: center; color: #91a9be; font-size: 10px; letter-spacing: 2px; }
.card-top i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 15px #31d99480; }
.core {
  height: 200px;
  display: grid;
  place-items: center;
  font-size: clamp(27px, 3vw, 37px);
  font-weight: 900;
  letter-spacing: 5px;
  color: #fff;
  text-shadow: 0 0 32px #1787ff80;
}
.nodes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: relative; z-index: 2; }
.nodes span {
  padding: 12px 8px;
  border: 1px solid #284761;
  border-radius: 8px;
  color: #b5c9db;
  font-size: 10px;
  letter-spacing: 1.2px;
  text-align: center;
  background: #071521d9;
}
.status { margin-top: 22px; color: var(--green); font-size: 10px; letter-spacing: 1.7px; }
.strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px 34px;
  padding: 23px 6vw;
  border-block: 1px solid #ffffff0d;
  background: #091622;
  color: #91a8bd;
  font-size: 10px;
  letter-spacing: 1.6px;
}
.section { padding: 100px 7vw; }
.section-head { max-width: 790px; }
.section h2 {
  font-size: clamp(33px, 4.2vw, 55px);
  line-height: 1.12;
  letter-spacing: -2px;
  margin: 0 0 19px;
  font-weight: 800;
}
.section-head p { color: var(--muted); max-width: 710px; font-size: 15px; }
.grid.four {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 17px;
  margin-top: 44px;
}
.service {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 25px 22px;
  background: linear-gradient(155deg, #0c1d2c, #091520);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}
.service:hover {
  transform: translateY(-5px);
  border-color: #2c73ad;
  background: linear-gradient(155deg, #10273b, #0a1926);
}
.service b {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 32px;
  border: 1px solid #2789e955;
  border-radius: 8px;
  background: #0057b818;
  color: #69baff;
  font-size: 11px;
}
.service h3 { font-size: 18px; line-height: 1.35; margin: 24px 0 12px; }
.service p { color: #a0b2c3; font-size: 13px; line-height: 1.8; margin-bottom: 0; }
.dark { background: #081521; border-block: 1px solid #ffffff0c; }
.vendor-cloud { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 38px; }
.vendor-cloud span, .vendor-cloud strong {
  border: 1px solid #29455c;
  padding: 10px 16px;
  border-radius: 999px;
  background: #0b1b29;
  color: #c1d1df;
  font-size: 13px;
  font-weight: 500;
}
.vendor-cloud strong { color: #fff; border-color: #1769b8; background: #0057b81a; }
.approach-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
  max-width: 980px;
}
.approach-cards article {
  padding: 29px;
  border: 1px solid #25425a;
  border-radius: 16px;
  background: linear-gradient(145deg, #0d2030, #091621);
}
.approach-cards span { display: block; color: #78a7d2; font-size: 10px; letter-spacing: 1.8px; }
.approach-cards strong { display: block; font-size: 24px; line-height: 1.3; margin: 13px 0 9px; color: #f1f7ff; }
.approach-cards p { margin: 0; color: var(--muted); font-size: 14px; }
.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 8vw;
  background: #06101a;
  border-top: 1px solid #ffffff08;
}
.about p { color: var(--muted); font-size: 15px; line-height: 1.9; }
.about p b { color: #d7eaff; }
.cta {
  padding: 84px 7vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 55px;
  background:
    radial-gradient(ellipse at 85% 40%, #0057b82c, transparent 40%),
    linear-gradient(110deg, #0b1e30, #092541);
  border-top: 1px solid #ffffff0d;
}
.cta > div:first-child { max-width: 730px; }
.cta h2 { font-size: clamp(35px, 4vw, 54px); line-height: 1.1; letter-spacing: -2px; margin: 0 0 17px; }
.cta p { color: var(--muted); max-width: 620px; font-size: 15px; }
.contact-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 270px;
  padding: 25px;
  border: 1px solid #2a4a66;
  border-radius: 14px;
  background: #071521a8;
}
.contact-box:before {
  content: "CONTACT MELINK";
  color: #94abc0;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
}
.contact-box a {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  color: #70bdff;
  font-size: 14px;
  font-weight: 750;
  overflow-wrap: anywhere;
}
.contact-box a:hover { color: #fff; }
footer {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 24px 7vw;
  color: #8ba0b4;
  font-size: 11px;
  border-top: 1px solid #ffffff0c;
  background: #050d15;
}
@media (min-width: 1500px) {
  .hero, .section, .cta { padding-left: max(7vw, calc((100vw - 1400px) / 2)); padding-right: max(7vw, calc((100vw - 1400px) / 2)); }
}
@media (max-width: 1050px) {
  .nav { padding-inline: 4vw; }
  .nav nav { gap: 16px; }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(280px, .85fr); gap: 35px; padding-inline: 5vw; }
  .section, .cta { padding-inline: 5vw; }
  .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service { padding: 24px; }
}
@media (max-width: 760px) {
  .nav { min-height: 70px; }
  .nav nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 68px; padding-bottom: 72px; gap: 42px; }
  .hero h1 { font-size: clamp(43px, 10vw, 65px); letter-spacing: -2.5px; }
  .hero p { font-size: 15px; }
  .network-card { max-width: 560px; width: 100%; }
  .core { height: 155px; }
  .section { padding-top: 76px; padding-bottom: 76px; }
  .about { grid-template-columns: 1fr; gap: 15px; }
  .cta { flex-direction: column; align-items: stretch; gap: 25px; padding-top: 70px; padding-bottom: 70px; }
  .contact-box { min-width: 0; width: 100%; }
}
@media (max-width: 480px) {
  .nav { padding-inline: 5vw; }
  .nav-cta { display: none; }
  .hero, .section, .cta { padding-left: 5vw; padding-right: 5vw; }
  .hero h1 { font-size: 43px; letter-spacing: -2px; }
  .actions { flex-direction: column; align-items: stretch; }
  .actions .button { width: 100%; }
  .grid.four, .approach-cards { grid-template-columns: 1fr; }
  .service { padding: 23px; }
  .strip { gap: 12px 17px; padding: 19px 5vw; font-size: 9px; }
  .network-card { padding: 19px; border-radius: 17px; }
  .nodes { gap: 8px; }
  .nodes span { font-size: 9px; padding: 11px 5px; }
  .section h2 { letter-spacing: -1.3px; }
  .approach-cards article { padding: 24px; }
  footer { padding: 20px 5vw; flex-direction: column; gap: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

/* MELINK premium refinement — October 2026 */
:root {
  --ml-blue: #0057b8;
  --ml-blue-bright: #42a5ff;
  --ml-green: #31d994;
  --ml-bg: #07111d;
  --ml-panel: #0b1a29;
  --ml-line: rgba(148, 180, 210, .17);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.nav {
  border-bottom: 1px solid rgba(148, 180, 210, .12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav nav a {
  transition: color .2s ease;
}

.nav nav a:hover {
  color: var(--ml-blue-bright);
}

.nav-cta,
.button {
  transition: transform .22s ease, box-shadow .22s ease,
              background-color .22s ease, border-color .22s ease;
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  box-shadow: 0 8px 24px rgba(0, 87, 184, .22);
}

.button.primary:hover {
  box-shadow: 0 12px 30px rgba(0, 87, 184, .36);
}

.hero {
  position: relative;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(44vw, 560px);
  aspect-ratio: 1;
  right: 4%;
  top: 4%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 87, 184, .17) 0%,
    rgba(0, 87, 184, .06) 42%,
    transparent 72%
  );
  pointer-events: none;
}

.hero h1 {
  letter-spacing: -.045em;
  text-wrap: balance;
}

.hero h1 span {
  color: var(--ml-blue-bright);
  text-shadow: 0 0 34px rgba(66, 165, 255, .12);
}

.hero-copy > p,
.section-head > p,
.cta > div > p {
  line-height: 1.8;
  color: #b7c6d6;
}

.eyebrow {
  letter-spacing: .15em;
}

.network-card {
  border: 1px solid rgba(66, 165, 255, .25);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .22),
              0 0 42px rgba(0, 87, 184, .08);
  background-image: linear-gradient(
    145deg,
    rgba(18, 43, 65, .92),
    rgba(7, 17, 29, .96)
  );
}

.core {
  box-shadow: 0 0 32px rgba(0, 87, 184, .15);
}

.strip {
  border-top: 1px solid var(--ml-line);
  border-bottom: 1px solid var(--ml-line);
}

.section {
  scroll-margin-top: 88px;
}

.section-head h2,
.about h2,
.cta h2 {
  letter-spacing: -.03em;
  text-wrap: balance;
}

.service {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ml-line);
  background: linear-gradient(
    145deg,
    rgba(15, 33, 50, .92),
    rgba(9, 23, 37, .96)
  );
  transition: transform .22s ease, border-color .22s ease,
              box-shadow .22s ease;
}

.service::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--ml-blue), var(--ml-blue-bright), transparent);
  opacity: .7;
}

.service:hover {
  transform: translateY(-4px);
  border-color: rgba(66, 165, 255, .42);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .18);
}

.service > b {
  color: var(--ml-blue-bright);
}

.vendor-cloud span,
.vendor-cloud strong {
  border: 1px solid var(--ml-line);
  transition: border-color .2s ease, background-color .2s ease;
}

.vendor-cloud span:hover,
.vendor-cloud strong:hover {
  border-color: rgba(66, 165, 255, .4);
  background-color: rgba(0, 87, 184, .1);
}

.approach-cards article {
  border: 1px solid var(--ml-line);
  background: linear-gradient(145deg, rgba(15, 33, 50, .8), rgba(9, 23, 37, .9));
  transition: border-color .2s ease, transform .2s ease;
}

.approach-cards article:hover {
  border-color: rgba(66, 165, 255, .38);
  transform: translateY(-3px);
}

.approach-cards article > span {
  color: var(--ml-blue-bright);
  letter-spacing: .09em;
}

.cta {
  border: 1px solid rgba(66, 165, 255, .2);
  background:
    radial-gradient(ellipse at 85% 20%, rgba(0, 87, 184, .18), transparent 55%),
    linear-gradient(135deg, #0b1a29, #07111d);
}

.contact-box a {
  overflow-wrap: anywhere;
  transition: color .2s ease;
}

.contact-box a:hover {
  color: var(--ml-blue-bright);
}

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

a:focus-visible {
  outline: 2px solid var(--ml-blue-bright);
  outline-offset: 4px;
  border-radius: 4px;
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 72px;
  }

  .hero {
    overflow: hidden;
  }

  .hero::before {
    width: 95vw;
    right: -32%;
    top: 8%;
  }

  .hero h1 {
    letter-spacing: -.035em;
  }

  .section {
    scroll-margin-top: 72px;
  }

  .service:hover,
  .approach-cards article:hover {
    transform: none;
  }

  .cta {
    gap: 24px;
  }

  footer {
    gap: 10px;
    flex-wrap: wrap;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}