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

/* BODY */
body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #0f172a, #020617);
  color: white;
  overflow-x: hidden;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
  font-size: 1.6rem;
  font-weight: 600;
  color: #3b82f6;
}

/* NAV LINKS */
.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 25px;
}

.nav-links a {
  text-decoration: none;
  color: #cbd5f5;
  font-weight: 500;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #3b82f6;
}

/* HERO SECTION */
.hero {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* TECH GRID BACKGROUND */
.hero::before {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: moveGrid 20s linear infinite;
  top: -50%;
  left: -50%;
}

/* SCANNING LIGHT */
.hero::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(59,130,246,0.1), transparent);
  animation: scan 6s linear infinite;
}

/* KEEP CONTENT ABOVE */
.hero-content {
  position: relative;
  z-index: 2;
}

.hero h2 {
  font-size: 3.5rem;
  font-weight: 600;
}

.hero p {
  margin-top: 15px;
  color: #94a3b8;
}

/* BUTTON */
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(59,130,246,0.4);
}

/* SECTION */
.section {
  padding: 100px 40px;
  text-align: center;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

/* CARDS */
.card {
  padding: 30px;
  border-radius: 15px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  transition: 0.4s;
  border: 1px solid rgba(255,255,255,0.05);
}

.card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

/* CONTACT FORM */
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 6px;
  border: none;
  outline: none;
}

.contact-form textarea {
  height: 120px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px;
  color: #64748b;
}

/* SCROLL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: all 1s ease;
}

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

/* KEYFRAMES */
@keyframes moveGrid {
  0% { transform: translate(0, 0); }
  100% { transform: translate(40px, 40px); }
}

@keyframes scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* MOBILE MENU */
.menu-toggle {
  display: none;
}

@media(max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    right: 20px;
    top: 70px;
    background: #020617;
    padding: 20px;
    border-radius: 10px;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
  }
}