* { box-sizing: border-box; }

:root {
  --bg: #05070b;
  --panel: rgba(14, 22, 34, 0.78);
  --line: rgba(210, 230, 255, 0.14);
  --text: #eef4ff;
  --muted: #a8b6c8;
  --blue: #5d74ff;
  --cyan: #45e4ff;
  --steel: #cfd5dc;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 12% 10%, rgba(93, 116, 255, 0.28), transparent 28rem),
    radial-gradient(circle at 88% 12%, rgba(69, 228, 255, 0.12), transparent 32rem),
    linear-gradient(135deg, #05070b 0%, #0b111c 55%, #05070b 100%);
  color: var(--text);
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: .08;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(45px);
  opacity: .24;
  z-index: 0;
}

.orb-a { width: 26rem; height: 26rem; background: var(--blue); left: -10rem; top: 14rem; }
.orb-b { width: 22rem; height: 22rem; background: var(--cyan); right: -8rem; top: 24rem; }

.topbar, main, footer { position: relative; z-index: 2; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 99999;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(18px, 5vw, 72px);

  background: #05070b;
  border-bottom: 1px solid rgba(69, 228, 255, .35);

  box-shadow:
    0 14px 40px rgba(0,0,0,.95),
    0 0 26px rgba(69,228,255,.18);
}

.brand img {
  width: 210px;
  max-height: 58px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 18px rgba(93, 116, 255, .25));
}

nav { display: flex; gap: 24px; }

nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  text-shadow: 0 2px 8px #000;
}

nav a:hover { color: var(--cyan); }

.hero {
  min-height: calc(100vh - 86px);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 40px;
  align-items: center;
  padding: 80px clamp(18px, 5vw, 72px) 72px;
}

.tag, .label {
  color: var(--cyan);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 960px;
  margin-bottom: 24px;
  font-size: clamp(46px, 7.2vw, 102px);
  line-height: .88;
  letter-spacing: -.055em;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(34px, 4.4vw, 64px);
  line-height: .95;
  letter-spacing: -.04em;
}

h3 {
  font-size: 23px;
  letter-spacing: -.02em;
}

p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 17px;
}

.hero-copy p {
  max-width: 720px;
  font-size: 21px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .03em;
}

.button.primary {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  color: #02050a;
  border: 0;
  box-shadow: 0 16px 42px rgba(69, 228, 255, .18);
}

.button.ghost:hover { border-color: var(--cyan); }

.hero-visual { display: grid; place-items: center; }

.glass-card {
  position: relative;
  width: min(100%, 520px);
  min-height: 560px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(150deg, rgba(255,255,255,.10), rgba(255,255,255,.02)), rgba(12, 18, 30, .72);
  border: 1px solid rgba(210, 230, 255, .20);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04), 0 30px 100px rgba(0,0,0,.45);
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(69,228,255,.25);
  clip-path: polygon(10% 0, 90% 0, 100% 10%, 100% 90%, 90% 100%, 10% 100%, 0 90%, 0 10%);
}

.card-top {
  position: absolute;
  top: 20px;
  left: 24px;
  display: flex;
  gap: 8px;
}

.card-top span {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--cyan);
  opacity: .75;
}

.glass-card img {
  width: 90%;
  margin: 0 auto 40px;
  display: block;
  mix-blend-mode: screen;
}

.glass-card p {
  margin: 0;
  color: var(--text);
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -.03em;
}

.glass-card small {
  display: block;
  max-width: 360px;
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.6;
}

.system-lines { display: grid; gap: 10px; margin: 12px 0 30px; }

.system-lines i {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .45;
}

.system-lines i:nth-child(2) { width: 74%; }
.system-lines i:nth-child(3) { width: 54%; }
.system-lines i:nth-child(4) { width: 82%; }

.section {
  padding: 100px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 52px;
}

.center {
  max-width: 920px;
  margin: 0 auto 44px;
  text-align: center;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 24px;
}

.feature-card {
  min-height: 440px;
  padding: 34px;
  background: var(--panel);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -45% -20%;
  height: 60%;
  background: radial-gradient(circle, rgba(69,228,255,.16), transparent 65%);
}

.icon-ring {
  width: 86px;
  height: 86px;
  border: 1px solid rgba(69,228,255,.45);
  display: grid;
  place-items: center;
  color: var(--cyan);
  font-weight: 900;
  font-size: 30px;
  margin-bottom: 30px;
  box-shadow: 0 0 32px rgba(69,228,255,.14);
}

.feature-card ul {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 12px;
}

.feature-card li {
  color: var(--steel);
  padding-left: 18px;
  position: relative;
}

.feature-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.unicon-card img {
  width: min(100%, 480px);
  display: block;
  margin: 0 auto 34px;
  filter: drop-shadow(0 0 28px rgba(255,255,255,.12));
}

.dark-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)), rgba(0,0,0,.18);
}

.rd-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.rd-grid article {
  padding: 28px;
  background: rgba(13, 21, 33, .76);
  border: 1px solid var(--line);
  min-height: 260px;
}

.rd-grid span {
  color: var(--blue);
  font-weight: 900;
  font-size: 28px;
}

.portfolio .center p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.concept {
  background: rgba(13, 21, 33, .76);
  border: 1px solid var(--line);
  overflow: hidden;
}

.concept img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  filter: saturate(.95) contrast(1.05);
}

.concept div { padding: 28px; }

.proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
  background: linear-gradient(90deg, rgba(93,116,255,.10), rgba(69,228,255,.05));
}

.proof-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.proof-list span {
  padding: 12px 14px;
  border: 1px solid rgba(69,228,255,.25);
  color: var(--steel);
  background: rgba(255,255,255,.035);
}

.contact { display: grid; place-items: center; }

.contact-box {
  width: min(100%, 900px);
  padding: 54px;
  text-align: center;
  background: linear-gradient(140deg, rgba(93,116,255,.16), rgba(69,228,255,.06)), var(--panel);
  border: 1px solid var(--line);
}

.contact-box a {
  color: var(--cyan);
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 900;
  text-decoration: none;
  word-break: break-word;
}

.contact-box small {
  display: block;
  margin-top: 18px;
  color: var(--muted);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 32px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .topbar { height: auto; align-items: flex-start; flex-direction: column; gap: 14px; }
  nav { flex-wrap: wrap; gap: 14px; }
  .hero, .split, .ecosystem-grid, .concept-grid, .proof { grid-template-columns: 1fr; }
  .rd-grid { grid-template-columns: 1fr 1fr; }
  .glass-card { min-height: 430px; }
}

@media (max-width: 620px) {
  .brand img { width: 180px; }
  .hero { padding-top: 44px; }
  h1 { font-size: 48px; }
  .rd-grid { grid-template-columns: 1fr; }
  .contact-box { padding: 32px 18px; }
  footer { flex-direction: column; }
}