@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&family=Poppins:wght@500;600&display=swap');

.hz-da-app,
.hz-da-app * {
  box-sizing: border-box;
}

.hz-da-app {
  --hz-orange: #ec682e;
  --hz-orange-soft: rgba(236, 104, 46, 0.12);
  --hz-navy: #071d33;
  --hz-blue: #0b2f4d;
  --hz-deep: #061525;
  --hz-green: #55d98b;
  --hz-cyan: #39c6ff;
  --hz-text: #4b5563;
  --hz-muted: #64748b;
  --hz-border: #e5e7eb;
  --hz-soft: #f7f9fc;
  --hz-white: #ffffff;

  width: 100%;
  overflow: hidden;
  background: #ffffff;
  color: var(--hz-text);
  font-family: 'Open Sans', Arial, sans-serif;
  line-height: 1.65;
}

.hz-da-app a {
  text-decoration: none !important;
}

.hz-da-app h2,
.hz-da-app h3,
.hz-da-app p {
  margin: 0;
}

.hz-da-app-section {
  padding: 86px 0;
  background: var(--hz-soft);
}

.hz-da-app-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 40px;
}

.hz-da-app-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--hz-orange);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

.hz-da-app-eyebrow::before {
  content: "";
  width: 38px;
  height: 2px;
  background: var(--hz-orange);
  display: inline-block;
}

.hz-da-app-title {
  max-width: 1080px;
  margin-bottom: 18px;
  color: var(--hz-navy);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 44px;
  line-height: 1.18;
  font-weight: 500;
  letter-spacing: -1px;
}

.hz-da-app-desc {
  max-width: 1120px;
  color: var(--hz-text);
  font-size: 17px;
  line-height: 1.8;
}

/* Main layout */
.hz-da-app-main {
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 32px;
  margin-top: 46px;
  align-items: stretch;
}

/* Dark border-zone visual */
.hz-da-border-visual {
  position: relative;
  min-height: 610px;
  padding: 34px;
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 18%, rgba(236, 104, 46, 0.22), transparent 34%),
    linear-gradient(135deg, #061525 0%, #0b2f4d 100%);
  box-shadow: 0 24px 64px rgba(7, 29, 51, 0.16);
}

.hz-da-border-visual h3 {
  max-width: 560px;
  color: #ffffff;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 30px;
  line-height: 1.25;
  font-weight: 500;
}

.hz-da-border-visual p {
  max-width: 560px;
  margin-top: 14px;
  color: rgba(255,255,255,0.74);
  font-size: 15.5px;
  line-height: 1.75;
}

.hz-da-map {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 34px;
  height: 400px;
  border-radius: 24px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.025) 100%),
    repeating-linear-gradient(35deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 18px);
  border: 1px solid rgba(255,255,255,0.13);
}

/* Terrain contour */
.hz-da-map::before {
  content: "";
  position: absolute;
  inset: -40px;
  background:
    radial-gradient(ellipse at 20% 72%, transparent 0 18%, rgba(255,255,255,0.08) 18.3%, transparent 18.6%),
    radial-gradient(ellipse at 72% 36%, transparent 0 16%, rgba(255,255,255,0.07) 16.3%, transparent 16.6%),
    radial-gradient(ellipse at 54% 82%, transparent 0 22%, rgba(255,255,255,0.06) 22.3%, transparent 22.6%),
    radial-gradient(ellipse at 18% 25%, transparent 0 12%, rgba(255,255,255,0.06) 12.3%, transparent 12.6%);
  opacity: 0.8;
}

/* Border line */
.hz-da-border-line {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 4px;
  transform: rotate(-8deg);
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent);
  box-shadow: 0 0 18px rgba(255,255,255,0.35);
}

.hz-da-border-line::before {
  content: "Underground Invisible Defence Line";
  position: absolute;
  left: 50%;
  top: -34px;
  transform: translateX(-50%);
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(236,104,46,0.9);
  color: #ffffff;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

/* Buried nodes */
.hz-da-node {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--hz-green);
  box-shadow: 0 0 18px rgba(85,217,139,0.85);
  z-index: 4;
  animation: hz-da-node-pulse 2.2s ease-in-out infinite;
}

.hz-da-node::before {
  content: "";
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 1px solid rgba(85,217,139,0.42);
  animation: hz-da-detect-ring 2.2s ease-out infinite;
}

.hz-da-node.n1 { left: 16%; top: 55%; animation-delay: 0s; }
.hz-da-node.n2 { left: 36%; top: 49%; animation-delay: 0.25s; }
.hz-da-node.n3 { left: 56%; top: 44%; animation-delay: 0.5s; }
.hz-da-node.n4 { left: 76%; top: 39%; animation-delay: 0.75s; }

@keyframes hz-da-node-pulse {
  0%, 100% { transform: scale(0.88); opacity: 0.72; }
  50% { transform: scale(1.14); opacity: 1; }
}

@keyframes hz-da-detect-ring {
  0% {
    transform: scale(0.45);
    opacity: 0.9;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

/* Intrusion event */
.hz-da-event {
  position: absolute;
  right: 17%;
  top: 18%;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(236,104,46,0.14);
  border: 1px solid rgba(236,104,46,0.55);
  box-shadow: 0 0 38px rgba(236,104,46,0.42);
  animation: hz-da-event-pulse 1.7s ease-in-out infinite;
  z-index: 5;
}

.hz-da-event::before {
  content: "Intrusion";
  position: absolute;
  left: 50%;
  top: -34px;
  transform: translateX(-50%);
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--hz-orange);
  color: #ffffff;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
}

.hz-da-event::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -60px;
  width: 2px;
  height: 72px;
  background: rgba(236,104,46,0.85);
  transform: translateX(-50%);
}

@keyframes hz-da-event-pulse {
  0%, 100% { transform: scale(0.92); opacity: 0.7; }
  50% { transform: scale(1.08); opacity: 1; }
}

/* LoRa signal */
.hz-da-lora {
  position: absolute;
  left: 50%;
  top: 76%;
  width: 110px;
  height: 70px;
  transform: translateX(-50%);
  z-index: 6;
}

.hz-da-lora::before {
  content: "LoRa Mesh";
  position: absolute;
  left: 50%;
  top: -18px;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.74);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.hz-da-lora span {
  position: absolute;
  left: 50%;
  bottom: 0;
  border: 2px solid rgba(57,198,255,0.55);
  border-bottom: none;
  border-radius: 80px 80px 0 0;
  transform: translateX(-50%);
  animation: hz-da-lora-wave 2.4s ease-in-out infinite;
}

.hz-da-lora span:nth-child(1) {
  width: 34px;
  height: 22px;
  animation-delay: 0s;
}

.hz-da-lora span:nth-child(2) {
  width: 68px;
  height: 44px;
  animation-delay: 0.3s;
}

.hz-da-lora span:nth-child(3) {
  width: 102px;
  height: 66px;
  animation-delay: 0.6s;
}

@keyframes hz-da-lora-wave {
  0%, 100% { opacity: 0.32; }
  50% { opacity: 1; }
}

/* Visual KPI */
.hz-da-map-kpis {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  z-index: 8;
}

.hz-da-map-kpi {
  padding: 13px 12px;
  border-radius: 15px;
  background: rgba(7,29,51,0.72);
  border: 1px solid rgba(255,255,255,0.12);
}

.hz-da-map-kpi strong {
  display: block;
  margin-bottom: 3px;
  color: #ffffff;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
}

.hz-da-map-kpi span {
  display: block;
  color: rgba(255,255,255,0.62);
  font-size: 11.5px;
  line-height: 1.35;
}

/* Scenario cards */
.hz-da-app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.hz-da-app-card {
  position: relative;
  min-height: 238px;
  padding: 28px;
  border-radius: 22px;
  background: #ffffff;
  border: 1px solid var(--hz-border);
  box-shadow: 0 14px 34px rgba(7, 29, 51, 0.045);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.hz-da-app-card:hover {
  transform: translateY(-6px);
  border-color: rgba(236,104,46,0.35);
  box-shadow: 0 22px 52px rgba(7, 29, 51, 0.1);
}

.hz-da-app-card::after {
  content: "";
  position: absolute;
  right: -54px;
  bottom: -54px;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: var(--hz-orange-soft);
}

.hz-da-app-number {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 15px;
  background: var(--hz-orange-soft);
  color: var(--hz-orange);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
}

.hz-da-app-tag {
  position: relative;
  z-index: 2;
  display: block;
  margin-bottom: 9px;
  color: var(--hz-orange);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.hz-da-app-card h3 {
  position: relative;
  z-index: 2;
  margin-bottom: 10px;
  color: var(--hz-navy);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 21px;
  line-height: 1.32;
  font-weight: 500;
}

.hz-da-app-card p {
  position: relative;
  z-index: 2;
  color: var(--hz-text);
  font-size: 14.8px;
  line-height: 1.7;
}

.hz-da-app-list {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 8px;
  margin: 16px 0 0 0;
  padding: 0;
  list-style: none;
}

.hz-da-app-list li {
  position: relative;
  padding-left: 18px;
  color: var(--hz-muted);
  font-size: 13.2px;
  line-height: 1.45;
}

.hz-da-app-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hz-orange);
}

/* Bottom CTA */
.hz-da-app-strip {
  margin-top: 34px;
  padding: 30px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 92% 18%, rgba(236,104,46,0.2), transparent 34%),
    linear-gradient(135deg, #071d33 0%, #0b2f4d 100%);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  box-shadow: 0 22px 60px rgba(7,29,51,0.14);
}

.hz-da-app-strip h3 {
  margin-bottom: 8px;
  color: #ffffff;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 500;
}

.hz-da-app-strip p {
  color: rgba(255,255,255,0.72);
  font-size: 15px;
  line-height: 1.65;
}

.hz-da-app-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--hz-orange);
  color: #ffffff !important;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.3s ease, transform 0.3s ease;
}

.hz-da-app-btn:hover {
  background: #d95a22;
  transform: translateY(-2px);
}

@media (max-width: 1180px) {
  .hz-da-app-main {
    grid-template-columns: 1fr;
  }

  .hz-da-app-title {
    font-size: 38px;
  }

  .hz-da-border-visual {
    min-height: 650px;
  }

  .hz-da-app-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hz-da-app-container {
    padding: 0 22px;
  }

  .hz-da-app-section {
    padding: 62px 0;
  }

  .hz-da-app-title {
    font-size: 30px;
    letter-spacing: -0.7px;
  }

  .hz-da-app-desc {
    font-size: 16px;
  }

  .hz-da-app-main {
    margin-top: 34px;
  }

  .hz-da-border-visual {
    min-height: 760px;
    padding: 26px 22px;
  }

  .hz-da-border-visual h3 {
    font-size: 26px;
  }

  .hz-da-map {
    left: 22px;
    right: 22px;
    height: 500px;
  }

  .hz-da-map-kpis {
    grid-template-columns: 1fr 1fr;
    left: 18px;
    right: 18px;
  }

  .hz-da-app-grid {
    grid-template-columns: 1fr;
  }

  .hz-da-app-card {
    min-height: auto;
    padding: 26px 22px;
  }

  .hz-da-app-strip {
    padding: 26px 22px;
  }

  .hz-da-app-btn {
    width: 100%;
  }
}