:root {
  --bg: #071120;
  --bg-soft: #0f1d30;
  --panel: rgba(13, 27, 42, 0.86);
  --panel-border: rgba(167, 188, 214, 0.16);
  --text: #eaf2ff;
  --muted: #bfd0ea;
  --accent: #44d4ff;
  --accent-2: #75f6d1;
  --warning: #ffbf69;
  --shadow: rgba(10, 18, 29, 0.42);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(68, 212, 255, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(117, 246, 209, 0.15), transparent 26%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  width: min(1160px, 100%);
  background: rgba(10, 18, 29, 0.7);
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  box-shadow: 0 30px 80px var(--shadow);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 34px 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(68, 212, 255, 0.2);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  padding: 18px 34px 32px;
}

.content {
  padding: 12px 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.lead {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.contact-card {
  margin-top: 30px;
  width: min(100%, 470px);
  padding: 22px 24px;
  border: 1px solid rgba(68, 212, 255, 0.2);
  background: linear-gradient(180deg, rgba(15, 29, 48, 0.9), rgba(8, 18, 31, 0.85));
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.phone {
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.contact-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.service-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.service-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.visual {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
}

.orb-one {
  width: 280px;
  height: 280px;
  background: rgba(68, 212, 255, 0.14);
  right: 20px;
  top: 40px;
}

.orb-two {
  width: 200px;
  height: 200px;
  background: rgba(117, 246, 209, 0.14);
  left: 30px;
  bottom: 20px;
}

.device-card {
  position: relative;
  z-index: 1;
  width: min(100%, 390px);
  background: linear-gradient(180deg, rgba(20, 33, 49, 0.92), rgba(7, 17, 32, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  padding: 18px 18px 14px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.28);
}

.device-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 18px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2f; }
.dot.green { background: #28c840; }

.device-body {
  height: 260px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(180deg, rgba(68, 212, 255, 0.08), rgba(117, 246, 209, 0.03)),
    rgba(12, 22, 32, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.pulse {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(68, 212, 255, 0.35) 0%, rgba(68, 212, 255, 0.12) 40%, rgba(68, 212, 255, 0.02) 70%, transparent 100%);
  animation: pulse 2.5s ease-in-out infinite;
}

.signal-lines {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 12px;
  padding-bottom: 44px;
}

.signal-lines span {
  display: block;
  width: 12px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  border-radius: 12px 12px 0 0;
  animation: bars 1.6s ease-in-out infinite;
}

.signal-lines span:nth-child(1) { height: 52%; animation-delay: 0s; }
.signal-lines span:nth-child(2) { height: 72%; animation-delay: 0.2s; }
.signal-lines span:nth-child(3) { height: 92%; animation-delay: 0.4s; }

.footer-note {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 34px 30px;
}

.footer-note p {
  margin: 0;
  color: rgba(214, 227, 244, 0.82);
  line-height: 1.8;
  font-size: 0.92rem;
}

@keyframes pulse {
  0%, 100% { transform: scale(0.94); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes bars {
  0%, 100% { transform: scaleY(0.8); opacity: 0.7; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .visual {
    min-height: 300px;
  }
}

@media (max-width: 560px) {
  .topbar,
  .hero,
  .footer-note {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand span {
    font-size: 0.95rem;
  }

  h1 {
    letter-spacing: -0.05em;
  }

  .contact-card {
    padding: 18px 18px;
  }
}