/* NexGen IoT marketing site */
:root {
  --blue-900: #005BB0;
  --blue-700: #006CB9;
  --blue-500: #0187C7;
  --teal-500: #0A8CAE;
  --teal-400: #1CA395;
  --green-500: #30B47A;
  --green-400: #46B85F;
  --green-300: #5CBE57;
  --ink: #0B1F2A;
  --paper: #F7FAFC;
  --mist: #E0ECF2;
  --white: #FFFFFF;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #EAF4FA, transparent),
    radial-gradient(900px 500px at 90% -20%, #DFF1F6, transparent),
    linear-gradient(180deg, #F6FBFE 0%, #F2F8FC 50%, #F7FAFC 100%);
}

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

header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #E6EEF4;
  z-index: 10;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-700), var(--green-400));
  box-shadow: 0 0 0 4px rgba(0, 108, 185, 0.12);
}

.nav-links {
  display: flex;
  gap: 16px;
  font-size: 14px;
  opacity: 0.8;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 36px;
  align-items: center;
  padding: 24px 24px 72px;
}

.hero-left {
  text-align: center;
  position: relative;
}

.hero-left .eyebrow {
  margin: 0 auto;
}

.hero-left::before {
  content: "";
  position: absolute;
  top: -24px;
  left: 50%;
  width: 360px;
  height: 360px;
  transform: translateX(-50%);
  background:
    radial-gradient(circle at 30% 30%, rgba(0, 108, 185, 0.18), transparent 60%),
    radial-gradient(circle at 70% 70%, rgba(28, 163, 149, 0.18), transparent 60%);
  filter: blur(2px);
  z-index: -1;
}

.hero-left .iot-orbit {
  position: absolute;
  inset: -14px auto auto 50%;
  width: 260px;
  height: 260px;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 1px dashed rgba(0, 108, 185, 0.25);
  animation: spin 24s linear infinite;
  z-index: -1;
}

.hero-left .iot-orbit::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--green-400), var(--blue-500));
  border-radius: 50%;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(48, 180, 122, 0.45);
}

.hero-left .iot-signal {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--blue-700);
  text-transform: uppercase;
}

.hero-left .signal-bars {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 4px;
}

.hero-left .signal-bars span {
  width: 4px;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--blue-700), var(--green-400));
  animation: pulse 1.6s ease-in-out infinite;
}

.hero-left .signal-bars span:nth-child(1) { height: 8px; animation-delay: 0s; }
.hero-left .signal-bars span:nth-child(2) { height: 12px; animation-delay: 0.2s; }
.hero-left .signal-bars span:nth-child(3) { height: 16px; animation-delay: 0.4s; }
.hero-left .signal-bars span:nth-child(4) { height: 20px; animation-delay: 0.6s; }

.hero-card {
  background: var(--white);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 18px 40px rgba(11, 31, 42, 0.12);
  border: 1px solid #E6EEF4;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--blue-700);
  font-weight: 700;
}

h1 {
  font-size: clamp(28px, 3vw, 40px);
  margin: 12px 0 16px;
}

p {
  line-height: 1.6;
  color: #294554;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-700), var(--teal-400));
  color: var(--white);
  box-shadow: 0 14px 30px rgba(1, 135, 199, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(1, 135, 199, 0.28);
}

.btn-outline {
  border-color: #CFE3EF;
  color: var(--blue-900);
  background: var(--white);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.tile {
  background: var(--white);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid #E3EEF5;
  box-shadow: 0 12px 24px rgba(11, 31, 42, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(11, 31, 42, 0.12);
}

.tile h3 {
  margin: 0 0 10px;
  color: var(--blue-900);
}

.footer {
  margin-top: 48px;
  padding: 24px;
  color: #4A6676;
  font-size: 14px;
}

.page-title {
  margin: 0 0 10px;
}

.doc {
  background: var(--white);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #E3EEF5;
  box-shadow: 0 14px 28px rgba(11, 31, 42, 0.08);
}

@keyframes spin {
  from { transform: translateX(-50%) rotate(0deg); }
  to { transform: translateX(-50%) rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scaleY(0.9); opacity: 0.6; }
  50% { transform: scaleY(1.1); opacity: 1; }
}

.doc h2 {
  margin-top: 24px;
  color: var(--blue-900);
}

.doc ul {
  padding-left: 18px;
}

.doc li {
  margin-bottom: 8px;
}

@media (max-width: 720px) {
  header {
    position: static;
  }
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }
}