:root {
  --bg: #06090f;
  --bg-2: #0d1420;
  --surface: #101826;
  --surface-2: #151f31;
  --text: #e7eef7;
  --muted: #9caec1;
  --line: #2a384b;
  --accent: #49d9ff;
  --accent-2: #39ffb2;
  --alert: #ff6d2e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 12%, #16243a 0%, transparent 42%),
    radial-gradient(circle at 88% 18%, #1a2230 0%, transparent 36%),
    linear-gradient(130deg, #05070b 0%, #0a0f18 50%, #0e1623 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  z-index: 30;
  background: linear-gradient(90deg, var(--accent), var(--alert), var(--accent-2));
  box-shadow: 0 0 18px rgba(255, 109, 46, 0.45);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(147, 163, 184, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 163, 184, 0.09) 1px, transparent 1px),
    radial-gradient(rgba(255, 255, 255, 0.3) 0.45px, transparent 0.45px);
  background-size: 38px 38px, 38px 38px, 6px 6px;
}

header,
main,
footer {
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(16px, 4vw, 54px);
  background: rgba(6, 10, 15, 0.82);
  border-bottom: 1px solid rgba(73, 217, 255, 0.26);
  backdrop-filter: blur(7px);
}

.logo {
  text-decoration: none;
  color: var(--text);
  font-family: "Oswald", sans-serif;
  letter-spacing: 0.08em;
  font-size: 1.45rem;
}

.logo span {
  color: var(--accent);
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  text-decoration: none;
  color: #b0bfd2;
  font-size: 0.95rem;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
}

nav a:hover {
  color: var(--accent);
  border-color: rgba(73, 217, 255, 0.56);
}

.layout {
  width: min(1280px, 94vw);
  margin: 18px auto 52px;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 18px;
}

.status-rail {
  position: sticky;
  top: 78px;
  align-self: start;
  border: 1px solid #2b394d;
  border-left: 4px solid rgba(255, 109, 46, 0.7);
  background: linear-gradient(170deg, rgba(16, 25, 39, 0.9), rgba(8, 12, 19, 0.96));
  padding: 16px;
}

.rail-head {
  text-align: left;
  margin-bottom: 12px;
}

.eyebrow {
  margin: 0;
  color: #9fd8eb;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

.status-rail h2 {
  margin: 6px 0 0;
  font-family: "Oswald", sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.status-list li {
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(14, 22, 34, 0.8);
  padding: 10px;
}

.status-list .label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.status-list strong {
  font-size: 0.93rem;
}

.rail-card {
  margin-top: 12px;
  border: 1px solid rgba(73, 217, 255, 0.33);
  background: rgba(11, 18, 28, 0.88);
  padding: 12px;
  text-align: left;
}

.rail-card p {
  margin: 0;
  color: #c7d8ea;
  line-height: 1.6;
}

.btn {
  display: inline-flex;
  text-decoration: none;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

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

.btn-primary {
  color: #04131a;
  background: linear-gradient(90deg, #66e6ff, #3ed4ff 55%, #79f7d2 100%);
  border-color: rgba(73, 217, 255, 0.55);
  box-shadow: 0 10px 24px rgba(73, 217, 255, 0.28);
}

.btn-secondary {
  color: #dbe9f8;
  border-color: rgba(73, 217, 255, 0.4);
  background: linear-gradient(180deg, rgba(24, 35, 54, 0.9), rgba(12, 18, 30, 0.95));
  box-shadow: inset 0 0 0 1px rgba(73, 217, 255, 0.08);
}

.status-rail .btn {
  margin-top: 14px;
  width: 100%;
}

.content-col {
  display: grid;
  gap: 16px;
}

.hero,
.panel,
.contact {
  border: 1px solid #2a384b;
  background: linear-gradient(170deg, rgba(18, 27, 42, 0.88), rgba(9, 14, 23, 0.95));
  padding: clamp(18px, 3vw, 30px);
}

.hero {
  text-align: left;
}

.tech-label {
  display: inline-block;
  margin: 0 0 10px;
  color: #ffd8c7;
  border: 1px solid rgba(255, 109, 46, 0.4);
  padding: 4px 8px;
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  background: rgba(255, 109, 46, 0.11);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

h1 {
  font-size: clamp(2rem, 5.6vw, 4.6rem);
  line-height: 0.95;
}

.lead {
  margin: 18px 0;
  color: #ccdaea;
  max-width: 780px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.panel {
  text-align: left;
  border-left: 4px solid rgba(73, 217, 255, 0.58);
}

.panel h2 {
  margin-bottom: 12px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.service-card {
  border: 1px solid #26364a;
  background: linear-gradient(180deg, rgba(19, 29, 45, 0.86), rgba(10, 15, 25, 0.95));
  padding: 14px;
  text-align: left;
}

.service-card:nth-child(2) {
  margin-top: 16px;
}

.service-card:nth-child(3) {
  margin-top: 30px;
}

.card-signal {
  display: block;
  width: 72px;
  height: 3px;
  margin-bottom: 10px;
  background: linear-gradient(90deg, var(--alert), var(--accent));
  box-shadow: 0 0 12px rgba(255, 109, 46, 0.4);
}

.node {
  margin: 0 0 8px;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: #ffceb7;
  text-transform: uppercase;
}

.service-card h3 {
  color: var(--accent);
  margin-bottom: 8px;
}

.service-card p {
  margin: 0;
  color: #c6d5e7;
  line-height: 1.6;
}

.protocol-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: #d7e4f3;
  line-height: 1.75;
}

.protocol-list li::marker {
  color: var(--alert);
  font-weight: 700;
}

.contact {
  text-align: left;
  border-color: rgba(255, 109, 46, 0.5);
  background: linear-gradient(120deg, rgba(255, 109, 46, 0.12), rgba(73, 217, 255, 0.08));
}

.contact p {
  color: #deebfa;
  max-width: 760px;
}

footer {
  border-top: 1px solid #2a384b;
  color: #9eb1c6;
  text-align: center;
  padding: 18px;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .status-rail {
    position: static;
  }

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

  .service-card:nth-child(2),
  .service-card:nth-child(3) {
    margin-top: 0;
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }
}