:root {
  --bg: #040a11;
  --bg-soft: #07111c;
  --panel: rgba(10, 23, 37, 0.78);
  --panel-solid: #0a1725;
  --text: #edf8ff;
  --muted: #8ca2b5;
  --subtle: #586f82;
  --cyan: #64f4e4;
  --cyan-soft: rgba(100, 244, 228, 0.12);
  --blue: #4a7dff;
  --blue-soft: rgba(74, 125, 255, 0.16);
  --line: rgba(141, 209, 242, 0.14);
  --line-strong: rgba(141, 209, 242, 0.28);
  --sans: "Manrope", "Noto Sans SC", "PingFang SC", sans-serif;
  --max-width: 1400px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 72% 10%, rgba(39, 94, 158, 0.18), transparent 26%),
    radial-gradient(circle at 6% 42%, rgba(28, 137, 147, 0.09), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(117, 189, 226, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 189, 226, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 88%);
  pointer-events: none;
}

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

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

button {
  border: 0;
}

ul,
ol {
  list-style: none;
}

::selection {
  background: var(--cyan);
  color: #031017;
}

.nav {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  height: 78px;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(28px, calc((100vw - var(--max-width)) / 2));
  border-bottom: 1px solid transparent;
  transition:
    background 0.35s ease,
    border-color 0.35s ease;
}

.nav.scrolled,
.nav.open {
  border-color: var(--line);
  background: rgba(4, 10, 17, 0.86);
  backdrop-filter: blur(20px);
}

.nav.open {
  backdrop-filter: none;
}

.brand {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 39px;
  height: 39px;
  place-items: center;
  border: 1px solid rgba(100, 244, 228, 0.5);
  background:
    linear-gradient(135deg, rgba(100, 244, 228, 0.12), transparent 55%),
    #08131f;
  box-shadow:
    inset 0 0 16px rgba(100, 244, 228, 0.06),
    0 0 24px rgba(100, 244, 228, 0.06);
  clip-path: polygon(0 0, 75% 0, 100% 25%, 100% 100%, 25% 100%, 0 75%);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark i::before,
.brand-mark i::after {
  position: absolute;
  content: "";
}

.brand-mark::before {
  width: 13px;
  height: 13px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.brand-mark::after {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.brand-mark i::before {
  top: 8px;
  left: 6px;
  width: 8px;
  height: 1px;
  background: var(--blue);
}

.brand-mark i::after {
  right: 6px;
  bottom: 8px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.brand-name {
  display: grid;
  line-height: 1.1;
}

.brand-name strong {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.brand-name small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.28em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links > a:not(.nav-cta) {
  position: relative;
  color: #b9c9d5;
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color 0.25s ease;
}

.nav-links > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -12px;
  left: 21px;
  height: 1px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.nav-links > a:not(.nav-cta):hover {
  color: var(--text);
}

.nav-links > a:not(.nav-cta):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-links a > span {
  margin-right: 6px;
  color: var(--subtle);
  font-size: 9px;
}

.nav-cta {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 18px;
  padding: 0 17px;
  border: 1px solid rgba(100, 244, 228, 0.38);
  background: rgba(100, 244, 228, 0.05);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition:
    background 0.25s ease,
    color 0.25s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.nav-cta:hover {
  background: var(--cyan);
  color: #031017;
}

.nav-cta i,
.btn i {
  font-style: normal;
}

.menu-btn {
  position: relative;
  z-index: 3;
  display: none;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: transparent;
}

.menu-btn span {
  position: absolute;
  right: 7px;
  width: 25px;
  height: 1px;
  background: var(--text);
  transition:
    top 0.25s ease,
    transform 0.25s ease;
}

.menu-btn span:first-child {
  top: 15px;
}

.menu-btn span:last-child {
  top: 24px;
}

.nav.open .menu-btn span:first-child {
  top: 20px;
  transform: rotate(45deg);
}

.nav.open .menu-btn span:last-child {
  top: 20px;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  align-items: center;
  overflow: hidden;
  padding: 142px max(28px, calc((100vw - var(--max-width)) / 2)) 126px;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -2;
  top: 4%;
  right: -9%;
  width: min(780px, 60vw);
  height: min(780px, 60vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 112, 198, 0.22), rgba(34, 74, 132, 0.05) 45%, transparent 70%);
  content: "";
  filter: blur(8px);
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 78px;
  right: 0;
  bottom: 0;
  left: 50%;
  background:
    linear-gradient(rgba(86, 164, 210, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86, 164, 210, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, black 38%, transparent);
  transform: perspective(700px) rotateY(-9deg) rotateX(3deg) scale(1.1);
  transform-origin: right center;
}

.hero-grid {
  display: grid;
  width: 100%;
  max-width: var(--max-width);
  align-items: center;
  gap: clamp(50px, 7vw, 110px);
  grid-template-columns: minmax(0, 0.94fr) minmax(490px, 0.86fr);
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.system-status {
  display: inline-flex;
  min-height: 29px;
  align-items: center;
  gap: 10px;
  padding: 0 11px;
  border: 1px solid var(--line);
  background: rgba(7, 17, 28, 0.64);
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.17em;
}

.system-status > i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.8s ease-in-out infinite;
}

.system-status b {
  padding-left: 9px;
  border-left: 1px solid var(--line);
  color: var(--cyan);
  font-weight: 500;
}

.eyebrow {
  margin-top: 30px;
  color: #9eb2c2;
  font-size: 12px;
  letter-spacing: 0.25em;
}

.hero h1 {
  margin-top: 16px;
  font-size: clamp(60px, 6.3vw, 102px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.hero h1 span {
  color: var(--text);
}

.hero h1 em,
h2 em {
  background: linear-gradient(100deg, #78a0ff 0%, #6debe5 65%, #dbfffb 100%);
  background-clip: text;
  color: transparent;
  font-style: normal;
}

.hero-lead {
  max-width: 600px;
  margin-top: 28px;
  padding-left: 18px;
  border-left: 1px solid var(--cyan);
  color: var(--muted);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 0 23px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.07em;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease,
    transform 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(110deg, #5eeadf, #70f6e7);
  color: #021116;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  box-shadow: 0 0 35px rgba(100, 244, 228, 0.1);
}

.btn-primary:hover {
  background: #a2fff5;
}

.btn-outline {
  border: 1px solid var(--line-strong);
  background: rgba(12, 27, 43, 0.42);
  color: #dcecf7;
}

.btn-outline:hover {
  border-color: rgba(100, 244, 228, 0.55);
  color: var(--cyan);
}

.hero-protocols {
  display: grid;
  max-width: 650px;
  margin-top: 56px;
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.hero-protocols li {
  position: relative;
  display: grid;
  padding: 19px 16px 0 0;
}

.hero-protocols li + li {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.hero-protocols span {
  margin-bottom: 8px;
  color: var(--cyan);
  font-size: 9px;
  letter-spacing: 0.15em;
}

.hero-protocols strong {
  color: #cbd9e4;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.hero-protocols small {
  margin-top: 3px;
  color: var(--subtle);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.hero-console {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(116, 210, 231, 0.24);
  background:
    linear-gradient(145deg, rgba(14, 34, 52, 0.86), rgba(5, 13, 22, 0.92)),
    var(--panel-solid);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.38),
    inset 0 0 50px rgba(63, 132, 190, 0.045),
    0 0 80px rgba(45, 109, 183, 0.08);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  transform: perspective(1100px) rotateY(-2deg) rotateX(1deg);
  transition: transform 0.25s ease-out;
}

.hero-console::before,
.hero-console::after {
  position: absolute;
  z-index: 5;
  width: 58px;
  height: 58px;
  content: "";
  pointer-events: none;
}

.hero-console::before {
  top: 0;
  left: 0;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.hero-console::after {
  right: 0;
  bottom: 0;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
}

.console-head {
  display: grid;
  height: 50px;
  align-items: center;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: #6e879a;
  font-size: 8px;
  letter-spacing: 0.13em;
  grid-template-columns: 66px 1fr auto;
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dots i {
  width: 5px;
  height: 5px;
  border: 1px solid #587185;
  border-radius: 50%;
}

.console-head > b {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--cyan);
  font-size: 8px;
  font-weight: 500;
}

.console-head > b i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.network-map {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 50%, rgba(70, 128, 203, 0.13), transparent 39%),
    linear-gradient(rgba(122, 196, 229, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 196, 229, 0.05) 1px, transparent 1px);
  background-size:
    auto,
    30px 30px,
    30px 30px;
}

.network-map::after {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 20%, rgba(4, 12, 21, 0.74) 100%);
  content: "";
  pointer-events: none;
}

.scan-line {
  position: absolute;
  z-index: 4;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(100, 244, 228, 0.75), transparent);
  box-shadow: 0 0 14px rgba(100, 244, 228, 0.4);
  opacity: 0.4;
  animation: scan 5s linear infinite;
}

.coordinate {
  position: absolute;
  z-index: 2;
  color: #4d687a;
  font-size: 7px;
  letter-spacing: 0.15em;
}

.coord-a {
  top: 16px;
  left: 18px;
}

.coord-b {
  right: 18px;
  bottom: 14px;
}

.orbit {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(94, 168, 213, 0.14);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit::after {
  position: absolute;
  top: -3px;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
  content: "";
}

.orbit-a {
  width: 215px;
  height: 215px;
  animation: spin 14s linear infinite;
}

.orbit-b {
  width: 290px;
  height: 290px;
  border-style: dashed;
  animation: spin 24s linear infinite reverse;
}

.core-node {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 94px;
  height: 94px;
  place-content: center;
  border: 1px solid rgba(100, 244, 228, 0.58);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(100, 244, 228, 0.16), rgba(7, 23, 34, 0.96) 67%);
  box-shadow:
    0 0 45px rgba(77, 219, 214, 0.18),
    inset 0 0 22px rgba(100, 244, 228, 0.1);
  text-align: center;
  transform: translate(-50%, -50%);
}

.core-node::before,
.core-node::after {
  position: absolute;
  border: 1px solid rgba(100, 244, 228, 0.16);
  border-radius: 50%;
  content: "";
}

.core-node::before {
  inset: 8px;
}

.core-node::after {
  inset: -8px;
  border-style: dashed;
  animation: spin 18s linear infinite;
}

.core-node span {
  color: var(--text);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1;
}

.core-node small {
  margin-top: 8px;
  color: var(--cyan);
  font-size: 6px;
  letter-spacing: 0.2em;
}

.data-node {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 7px;
  color: #90a8b8;
  font-size: 7px;
  letter-spacing: 0.13em;
}

.data-node i {
  position: relative;
  width: 9px;
  height: 9px;
  border: 1px solid var(--blue);
  border-radius: 50%;
  background: #07131f;
  box-shadow: 0 0 8px rgba(74, 125, 255, 0.5);
}

.data-node i::after {
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
}

.node-hotel {
  top: 22%;
  left: 14%;
}

.node-ota {
  top: 19%;
  right: 13%;
}

.node-member {
  right: 10%;
  bottom: 20%;
}

.node-scenic {
  bottom: 17%;
  left: 12%;
}

.link-line {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(74, 125, 255, 0.1), rgba(100, 244, 228, 0.48), rgba(74, 125, 255, 0.1));
  transform-origin: left;
}

.line-a {
  width: 42%;
  transform: rotate(-31deg);
}

.line-b {
  width: 39%;
  transform: rotate(34deg);
}

.line-c {
  width: 37%;
  transform: rotate(151deg);
}

.console-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.console-metrics article {
  min-width: 0;
  padding: 17px 18px 15px;
}

.console-metrics article + article {
  border-left: 1px solid var(--line);
}

.console-metrics article > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #7890a2;
  font-size: 7px;
  letter-spacing: 0.12em;
}

.console-metrics article > div b {
  color: var(--cyan);
  font-size: 7px;
  font-weight: 500;
}

.console-metrics article > small {
  display: block;
  margin-top: 6px;
  color: #607789;
  font-size: 8px;
}

.channel-bars {
  display: flex;
  height: 61px;
  align-items: end;
  gap: 9px;
  padding-top: 10px;
}

.channel-bars li {
  width: 12px;
  height: var(--value);
  background: linear-gradient(to top, rgba(74, 125, 255, 0.22), var(--cyan));
  box-shadow: 0 0 8px rgba(100, 244, 228, 0.1);
}

.console-metrics svg {
  display: block;
  width: 100%;
  height: 61px;
  margin-top: 9px;
  overflow: visible;
}

.chart-grid {
  fill: none;
  stroke: rgba(136, 193, 224, 0.09);
  stroke-width: 1;
}

.chart-line {
  fill: none;
  stroke: url("#flowGradient");
  stroke-linecap: round;
  stroke-width: 2;
  filter: drop-shadow(0 0 4px rgba(100, 244, 228, 0.35));
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  animation: draw 4s ease-in-out infinite;
}

.console-foot {
  display: flex;
  height: 34px;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  border-top: 1px solid var(--line);
  color: #526b7f;
  font-size: 7px;
  letter-spacing: 0.14em;
}

.console-foot > div {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 4px;
}

.console-foot > div i {
  display: block;
  height: 3px;
  flex: 1;
  background: rgba(100, 244, 228, 0.16);
}

.console-foot > div i:nth-child(2n) {
  background: rgba(74, 125, 255, 0.3);
}

.console-foot b {
  color: var(--cyan);
  font-size: 7px;
  font-weight: 500;
}

.hero-marquee {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  height: 39px;
  align-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 14, 23, 0.6);
  color: #3f5a6e;
  font-size: 8px;
  letter-spacing: 0.2em;
  white-space: nowrap;
}

.hero-marquee div {
  min-width: max-content;
  padding-right: 1em;
  animation: marquee 25s linear infinite;
}

.scroll-cue {
  position: absolute;
  right: max(28px, calc((100vw - var(--max-width)) / 2));
  bottom: 55px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #526a7c;
  font-size: 7px;
  letter-spacing: 0.18em;
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.scroll-cue i::after {
  position: absolute;
  top: 8px;
  left: 13px;
  width: 1px;
  height: 10px;
  background: var(--cyan);
  content: "";
  animation: scrollDown 1.8s ease-in-out infinite;
}

.about,
.services,
.fields,
.contact {
  position: relative;
  padding: 132px max(28px, calc((100vw - var(--max-width)) / 2));
}

.about > *,
.services > *,
.fields > *,
.contact > * {
  width: 100%;
  max-width: var(--max-width);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 42px;
  color: #748b9d;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.21em;
}

.section-label::after {
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  content: "";
}

.section-label span {
  color: var(--cyan);
}

.section-label.light {
  color: #758da0;
}

h2 {
  font-size: clamp(40px, 4.7vw, 70px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.18;
}

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

.about::before {
  position: absolute;
  z-index: -1;
  top: 20%;
  left: -12%;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: rgba(31, 101, 138, 0.08);
  content: "";
  filter: blur(70px);
}

.about-grid {
  display: grid;
  align-items: start;
  gap: clamp(70px, 11vw, 180px);
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
}

.about-copy {
  position: relative;
  padding: 36px 38px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(74, 125, 255, 0.05), transparent 45%),
    rgba(9, 21, 34, 0.55);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.about-copy::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 1px;
  background: var(--cyan);
  content: "";
}

.about-copy > p {
  color: #c4d2dc;
  font-size: 17px;
  line-height: 2;
}

.about-copy > p + p {
  margin-top: 17px;
  color: var(--muted);
  font-size: 15px;
}

.facts {
  display: grid;
  margin-top: 34px;
  border-top: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.facts > div {
  padding: 22px 10px 0 0;
}

.facts > div + div {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.facts dt {
  color: var(--subtle);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.facts dd {
  margin-top: 5px;
  color: #d8e5ee;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.services {
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(8, 19, 31, 0.88), rgba(4, 10, 17, 0.84)),
    var(--bg);
}

.services::before {
  position: absolute;
  right: -200px;
  bottom: -200px;
  width: 650px;
  height: 650px;
  border: 1px solid rgba(73, 135, 180, 0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(73, 135, 180, 0.025),
    0 0 0 140px rgba(73, 135, 180, 0.018);
  content: "";
}

.section-head {
  display: grid;
  align-items: end;
  gap: 50px;
  margin-bottom: 68px;
  grid-template-columns: 0.72fr 1.28fr;
}

.section-head .section-label {
  margin-bottom: 8px;
}

.service-list {
  position: relative;
  z-index: 1;
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.service-list li {
  position: relative;
  min-height: 285px;
  overflow: hidden;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 16, 27, 0.48);
  transition:
    background 0.35s ease,
    transform 0.35s ease;
}

.service-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  content: "";
  transition: width 0.45s ease;
}

.service-list li::after {
  position: absolute;
  right: 26px;
  bottom: 20px;
  color: #324b5f;
  content: "↗";
  font-size: 18px;
  transition:
    color 0.3s ease,
    transform 0.3s ease;
}

.service-list li:hover {
  z-index: 2;
  background:
    radial-gradient(circle at 100% 100%, rgba(100, 244, 228, 0.09), transparent 42%),
    rgba(11, 27, 43, 0.9);
  transform: translateY(-5px);
}

.service-list li:hover::before {
  width: 100%;
}

.service-list li:hover::after {
  color: var(--cyan);
  transform: translate(3px, -3px);
}

.num {
  display: inline-flex;
  width: 33px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(100, 244, 228, 0.2);
  background: rgba(100, 244, 228, 0.04);
  color: var(--cyan);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.service-list h3,
.steps h3,
.field-grid h3 {
  color: #e5f1f8;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
}

.service-list h3 {
  margin-top: 47px;
}

.service-list p,
.steps p,
.field-grid p,
.contact-lead {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.service-list p {
  max-width: 330px;
  margin-top: 13px;
}

.method {
  position: relative;
  overflow: hidden;
  padding: 132px max(28px, calc((100vw - var(--max-width)) / 2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(74, 125, 255, 0.07), transparent 32%),
    #06101a;
}

.method::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(111, 185, 220, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 185, 220, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent);
}

.method-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-width);
}

.method h2 {
  max-width: 700px;
}

.steps {
  position: relative;
  display: grid;
  margin-top: 80px;
  grid-template-columns: repeat(4, 1fr);
}

.steps::before {
  position: absolute;
  z-index: -1;
  top: 17px;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), rgba(74, 125, 255, 0.1));
  content: "";
}

.steps li {
  position: relative;
  padding: 0 35px 0 0;
}

.steps li + li {
  padding-left: 30px;
}

.steps span {
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border: 1px solid rgba(100, 244, 228, 0.42);
  border-radius: 50%;
  background: #071421;
  color: var(--cyan);
  font-size: 8px;
  box-shadow: 0 0 0 7px #06101a;
}

.steps h3 {
  margin-top: 35px;
}

.steps p {
  margin-top: 12px;
}

.fields {
  background:
    radial-gradient(circle at 15% 85%, rgba(26, 113, 127, 0.08), transparent 30%),
    var(--bg);
}

.field-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(12, 1fr);
}

.field-grid li {
  position: relative;
  min-height: 235px;
  overflow: hidden;
  padding: 35px 38px;
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(74, 125, 255, 0.055), transparent 55%),
    rgba(7, 18, 30, 0.72);
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}

.field-grid li:nth-child(1),
.field-grid li:nth-child(4) {
  grid-column: span 7;
}

.field-grid li:nth-child(2),
.field-grid li:nth-child(3) {
  grid-column: span 5;
}

.field-grid li::before {
  display: block;
  margin-bottom: 55px;
  color: var(--cyan);
  content: attr(data-en);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.field-grid li::after {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(100, 244, 228, 0.07);
  border-radius: 50%;
  box-shadow: 0 0 0 27px rgba(74, 125, 255, 0.025);
  content: "";
  transition: transform 0.5s ease;
}

.field-grid li:hover {
  border-color: rgba(100, 244, 228, 0.32);
  transform: translateY(-3px);
}

.field-grid li:hover::after {
  transform: scale(1.12);
}

.field-grid p {
  max-width: 480px;
  margin-top: 9px;
}

.contact {
  overflow: hidden;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 32%, rgba(56, 115, 203, 0.14), transparent 32%),
    linear-gradient(145deg, #071521, #040a11 68%);
}

.contact::after {
  position: absolute;
  right: -100px;
  bottom: -160px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(100, 244, 228, 0.07);
  border-radius: 50%;
  box-shadow:
    0 0 0 60px rgba(100, 244, 228, 0.018),
    0 0 0 120px rgba(74, 125, 255, 0.015);
  content: "";
}

.contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: start;
  gap: clamp(60px, 10vw, 160px);
  grid-template-columns: minmax(0, 0.85fr) minmax(470px, 1.15fr);
}

.contact-lead {
  max-width: 520px;
  margin-top: 28px;
  font-size: 15px;
}

.contact-meta {
  max-width: 540px;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}

.contact-meta li {
  display: grid;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: #b9cad6;
  font-size: 12px;
  grid-template-columns: 70px 1fr;
}

.contact-meta span {
  color: var(--subtle);
  font-size: 9px;
  letter-spacing: 0.15em;
}

.form {
  display: grid;
  gap: 17px;
  padding: 36px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(145deg, rgba(74, 125, 255, 0.06), transparent 42%),
    rgba(7, 18, 30, 0.78);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.form label {
  display: grid;
  gap: 8px;
  color: #6e8799;
  font-size: 9px;
  letter-spacing: 0.15em;
}

.form input,
.form textarea {
  width: 100%;
  padding: 11px 0;
  border: 0;
  border-bottom: 1px solid rgba(137, 195, 224, 0.2);
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  letter-spacing: 0;
  resize: vertical;
  transition: border-color 0.25s ease;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--cyan);
}

.form textarea::placeholder {
  color: #40596b;
}

.btn-submit {
  width: 100%;
  margin-top: 8px;
  background: linear-gradient(100deg, #4a7dff, #64f4e4);
  color: #021116;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.form-note {
  min-height: 1.5em;
  color: var(--cyan);
  font-size: 12px;
}

.footer {
  display: grid;
  min-height: 112px;
  align-items: center;
  gap: 30px;
  padding: 24px max(28px, calc((100vw - var(--max-width)) / 2));
  border-top: 1px solid var(--line);
  background: #03080e;
  color: #506779;
  font-size: 9px;
  letter-spacing: 0.13em;
  grid-template-columns: 1fr auto auto;
}

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

.footer-brand .brand-name strong {
  color: #9bafbd;
  font-size: 11px;
}

.reveal-target {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}

.reveal-target.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1.12);
  }
}

@keyframes scan {
  from {
    top: 0;
  }
  to {
    top: 100%;
  }
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes draw {
  0% {
    stroke-dashoffset: 400;
  }
  45%,
  75% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -400;
  }
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

@keyframes scrollDown {
  0%,
  100% {
    opacity: 0.25;
    transform: translateY(-2px);
  }
  50% {
    opacity: 1;
    transform: translateY(3px);
  }
}

@media (max-width: 1120px) {
  .hero {
    padding-top: 120px;
  }

  .hero-grid {
    gap: 54px;
    grid-template-columns: minmax(0, 0.85fr) minmax(440px, 1fr);
  }

  .hero h1 {
    font-size: clamp(58px, 7vw, 78px);
  }

  .hero-protocols {
    margin-top: 40px;
  }

  .network-map {
    min-height: 290px;
  }

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

@media (max-width: 900px) {
  .nav {
    height: 70px;
    padding: 0 22px;
  }

  .menu-btn {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    display: flex;
    width: 100vw;
    height: 100dvh;
    visibility: hidden;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    background:
      linear-gradient(rgba(92, 163, 197, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(92, 163, 197, 0.035) 1px, transparent 1px),
      #050c14;
    background-size: 40px 40px;
    opacity: 0;
    transform: translateY(-20px);
    transition:
      opacity 0.3s ease,
      transform 0.3s ease,
      visibility 0.3s;
  }

  .nav.open .nav-links {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-links > a:not(.nav-cta) {
    font-size: 22px;
  }

  .nav-links a > span {
    display: inline-block;
    width: 26px;
    font-size: 9px;
  }

  .nav-cta {
    min-height: 48px;
    padding: 0 24px;
  }

  .hero {
    min-height: auto;
    padding: 125px 22px 110px;
  }

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

  .hero-inner {
    max-width: 700px;
  }

  .hero-console {
    width: min(100%, 660px);
    margin: 5px auto 0;
    transform: none !important;
  }

  .scroll-cue {
    display: none;
  }

  .about,
  .services,
  .fields,
  .contact,
  .method {
    padding: 100px 22px;
  }

  .about-grid,
  .contact-grid,
  .section-head {
    grid-template-columns: 1fr;
  }

  .about-grid {
    gap: 48px;
  }

  .section-head {
    gap: 10px;
  }

  .section-head .section-label {
    margin-bottom: 30px;
  }

  .steps {
    gap: 50px 0;
    grid-template-columns: repeat(2, 1fr);
  }

  .steps::before {
    display: none;
  }

  .steps li {
    padding-right: 28px;
  }

  .steps li:nth-child(3) {
    padding-left: 0;
  }

  .field-grid li:nth-child(n) {
    grid-column: span 6;
  }

  .contact-grid {
    gap: 60px;
  }
}

@media (max-width: 620px) {
  .brand-name strong {
    font-size: 11px;
  }

  .hero {
    padding-top: 112px;
  }

  .system-status {
    font-size: 7px;
  }

  .hero h1 {
    margin-top: 17px;
    font-size: clamp(52px, 15vw, 72px);
    line-height: 1.08;
  }

  .hero-lead {
    font-size: 14px;
  }

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

  .btn {
    width: 100%;
  }

  .hero-protocols {
    gap: 0;
    margin-top: 42px;
  }

  .hero-protocols li {
    padding-right: 10px;
  }

  .hero-protocols li + li {
    padding-left: 10px;
  }

  .hero-protocols strong {
    font-size: 8px;
  }

  .hero-protocols small {
    font-size: 8px;
  }

  .console-head {
    padding: 0 13px;
    grid-template-columns: 45px 1fr auto;
  }

  .console-head > span {
    font-size: 6px;
  }

  .network-map {
    min-height: 260px;
  }

  .orbit-a {
    width: 180px;
    height: 180px;
  }

  .orbit-b {
    width: 235px;
    height: 235px;
  }

  .core-node {
    width: 80px;
    height: 80px;
  }

  .data-node span {
    display: none;
  }

  .console-metrics {
    grid-template-columns: 1fr;
  }

  .console-metrics article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .about,
  .services,
  .fields,
  .contact,
  .method {
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .section-label {
    margin-bottom: 30px;
  }

  h2 {
    font-size: clamp(37px, 11vw, 50px);
  }

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

  .about-copy {
    padding: 27px 23px;
  }

  .about-copy > p {
    font-size: 15px;
  }

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

  .facts > div {
    padding: 14px 0;
  }

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

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

  .service-list li {
    min-height: 245px;
    padding: 25px;
  }

  .steps {
    margin-top: 55px;
    grid-template-columns: 1fr;
  }

  .steps li,
  .steps li + li,
  .steps li:nth-child(3) {
    padding: 0;
  }

  .steps h3 {
    margin-top: 22px;
  }

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

  .field-grid li:nth-child(n) {
    min-height: 220px;
    padding: 29px 25px;
    grid-column: auto;
  }

  .field-grid li::before {
    margin-bottom: 45px;
  }

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

  .form {
    padding: 27px 22px;
  }

  .footer {
    justify-items: start;
    gap: 16px;
    padding-top: 34px;
    padding-bottom: 34px;
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}