/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: #f5f7fa;
  color: #222;
}

/* NAVIGATION */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 60px;
  background: #2d3349;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo img {
  height: 68px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 16px;
  transition: .3s;
}

nav ul li a:hover {
  color: #5f8aff;
}

/* MOBILE MENU ICON */
.menu-icon {
  display: none;
  font-size: 30px;
  color: white;
  cursor: pointer;
}

/* HERO SECTION */
.hero {
  height: 85vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  overflow: hidden;
}

.background-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(55%);
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 15, 35, 0.45);
  backdrop-filter: blur(2px);
  z-index: -1;
}

.hero-content h1 {
  font-size: 42px;
  margin-bottom: 15px;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 30px;
}

.hero-content button {
  padding: 14px 34px;
  background: white;
  border: none;
  color: #1b4bc4;
  font-size: 18px;
  font-weight: 600;
  border-radius: 8px;
  transition: .3s;
  cursor: pointer;
}

.hero-content button:hover {
  background: #e5ecff;
}

/* ABOUT */
.about {
  padding: 80px 60px;
  text-align: center;
}

.about h2 {
  font-size: 36px;
  color: #1b4bc4;
  margin-bottom: 20px;
}

.about p {
  max-width: 900px;
  margin: auto;
  line-height: 1.6;
  margin-bottom: 25px;
  font-size: 18px;
}

/* FOOTER */
footer {
  background: #0f0f0f;
  color: white;
  text-align: center;
  padding: 40px 20px;
  margin-top: 40px;
}

footer p {
  font-size: 16px;
  margin-bottom: 8px;
}

/* ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s forwards ease-out;
}

.delay1 { animation-delay: .3s; }
.delay2 { animation-delay: .6s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {

  nav {
    padding: 15px 25px;
  }

  nav ul {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #2d3349;
    padding: 20px 0;
    text-align: center;
  }

  nav ul.open {
    display: block;
  }

  .menu-icon {
    display: block;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 16px;
  }

  .about {
    padding: 50px 25px;
  }
}