* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #020707;
  color: #ffffff;
  overflow-x: hidden;
}

/* Background Grid */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: -2;
}

.grid-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(0, 255, 200, 0.12), transparent 35%),
              radial-gradient(circle at bottom left, rgba(0, 120, 255, 0.12), transparent 35%);
  z-index: -1;
}

/* Navbar */
.navbar {
  width: 100%;
  padding: 24px 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  letter-spacing: 5px;
  font-size: 13px;
  color: #d7c59a;
  text-transform: uppercase;
}

.navbar nav {
  display: flex;
  gap: 28px;
}

.navbar a {
  color: #bdefff;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.navbar a:hover {
  color: #a7ff7a;
}

/* Hero */
.hero {
  min-height: 85vh;
  padding: 40px 6%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
}

.series-text {
  color: #d7c59a;
  letter-spacing: 5px;
  font-size: 13px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(48px, 8vw, 96px);
  color: #cfffff;
  letter-spacing: 4px;
  text-shadow: 0 0 20px rgba(0, 255, 255, 0.45);
}

.tagline {
  margin-top: 16px;
  letter-spacing: 4px;
  color: #c7d6d6;
}

.hero-buttons {
  margin-top: 32px;
  display: flex;
  gap: 16px;
}

button {
  border: none;
  padding: 13px 28px;
  border-radius: 6px;
  background: linear-gradient(90deg, #36e7ff, #a6ff65);
  color: #001313;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(0, 255, 200, 0.35);
}

.outline-btn {
  background: transparent;
  border: 1px solid #39f5ff;
  color: #39f5ff;
}

.stats {
  margin-top: 42px;
  display: flex;
  gap: 40px;
}

.stats h2 {
  color: #a6ff65;
  font-size: 34px;
}

.stats p {
  color: #a8baba;
  font-size: 13px;
}

/* Product Image Placeholder */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-product-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(0, 255, 255, 0.18));
}

.product-card {
  width: 100%;
  max-width: 520px;
  height: 320px;
  border: 1px solid rgba(0, 255, 255, 0.2);
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.01));
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.12);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device {
  background: linear-gradient(145deg, #111, #333);
  border: 1px solid #555;
  color: #aaa;
  font-size: 12px;
  padding: 28px 46px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.7);
}

.device-small {
  transform: translateX(40px) translateY(20px);
}

.device-large {
  transform: translateX(-10px) translateY(35px);
}

.antenna {
  width: 4px;
  height: 120px;
  background: #111;
  position: absolute;
  right: 145px;
  top: 75px;
  transform: rotate(-8deg);
}

/* Mission */
.mission {
  width: 70%;
  margin: 0 auto 80px;
  padding: 20px;
  border: 1px solid rgba(0, 255, 255, 0.25);
  text-align: center;
  color: #a6ff65;
  letter-spacing: 5px;
}

/* Overview */
.overview {
  padding: 80px 6%;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}

.section-label {
  color: #39f5ff;
  letter-spacing: 4px;
  margin-bottom: 20px;
}

.overview h2 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.1;
}

.overview h2 span {
  color: #a6ff65;
}

.overview-text p {
  margin-bottom: 18px;
  color: #ccd8d8;
  line-height: 1.7;
}

/* Specs */
.specs {
  padding: 80px 6%;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
}

.section-title h2 {
  font-size: clamp(34px, 5vw, 60px);
  color: #39f5ff;
}

.section-title p {
  letter-spacing: 4px;
  color: #c7d6d6;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid rgba(0, 255, 255, 0.25);
}

.spec-item {
  padding: 26px;
  border: 1px solid rgba(0, 255, 255, 0.18);
  background: rgba(0, 12, 15, 0.55);
}

.spec-item h3 {
  color: #a6ff65;
  margin-bottom: 10px;
}

.spec-item p {
  color: #c9d4d4;
  line-height: 1.6;
}

/* Features */
.features {
  padding: 80px 6%;
}

.features h2 {
  font-size: clamp(34px, 5vw, 58px);
  margin-bottom: 42px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 255, 255, 0.14);
  transition: 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: #39f5ff;
  box-shadow: 0 0 24px rgba(0, 255, 255, 0.18);
}

.icon {
  font-size: 34px;
  margin-bottom: 18px;
}

.feature-card h3 {
  color: #ffffff;
  margin-bottom: 12px;
}

.feature-card p {
  color: #b8c7c7;
  line-height: 1.6;
}

/* Contact */
.contact {
  margin: 80px 6%;
  padding: 60px 30px;
  text-align: center;
  border: 1px solid rgba(0, 255, 255, 0.25);
  background: rgba(0, 255, 255, 0.04);
}

.contact h2 {
  font-size: 42px;
  margin-bottom: 16px;
}

.contact p {
  color: #c7d6d6;
  margin-bottom: 28px;
}

footer {
  padding: 28px;
  text-align: center;
  color: #8aa0a0;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 900px) {
  .navbar {
    flex-direction: column;
    gap: 18px;
  }

  .navbar nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero,
  .overview {
    grid-template-columns: 1fr;
  }

  .mission {
    width: 90%;
  }

  .spec-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    flex-wrap: wrap;
  }
}