:root {
  --dark: #121212;
  --gray: #1e1e1e;
  --light-gray: #2c2c2c;
  --white: #ffffff;
  --accent: #00adb5;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--dark);
  color: var(--white);
  margin: 0;
  overflow-x: hidden;
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  background: var(--dark);
  z-index: -1;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 30px;
  background-color: var(--gray);
  position: sticky;
  top: 0;
  z-index: 999;
}
.logo-img {
  height: 80px;
  border-radius: 10px;
}
nav {
  display: flex;
  gap: 20px;
}
nav a {
  color: var(--white);
  font-weight: 600;
  transition: color 0.3s;
}
nav a:hover {
  color: var(--accent);
}
.menu-toggle {
  display: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

.section {
  padding: 100px 20px;
  text-align: center;
  position: relative;
}
h1, h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}
.divider {
  height: 6px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  margin: 0;
}

/* Hero */
.hero .content {
  max-width: 700px;
  margin: 0 auto;
}
.hero-img {
  width: 100%;
  max-width: 350px;
  margin-bottom: 20px;
  border-radius: 20px;
}
.btn {
  background: var(--accent);
  padding: 12px 30px;
  border: none;
  color: white;
  border-radius: 25px;
  font-weight: bold;
  transition: background 0.3s;
  cursor: pointer;
}
.btn:hover {
  background: #049aa2;
}

/* Cards */
.cards {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.card {
  background-color: var(--light-gray);
  padding: 25px;
  border-radius: 12px;
  width: 250px;
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
}

/* About */
.team {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 25px;
}
.team-member {
  background: var(--light-gray);
  padding: 20px;
  border-radius: 10px;
  width: 200px;
}
.team-member img {
  width: 100%;
  border-radius: 50%;
  margin-bottom: 10px;
}
.team-member h3 {
  margin: 10px 0 5px;
}

/* Contact */
.contact-info {
  margin-bottom: 30px;
}
.contact-form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.contact-form input, .contact-form textarea {
  background: var(--light-gray);
  border: none;
  padding: 12px;
  color: white;
  border-radius: 6px;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 2px solid var(--accent);
}

/* Footer */
footer {
  background: #111;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #aaa;
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    display: none;
    flex-direction: column;
    background-color: var(--gray);
    position: absolute;
    top: 70px;
    right: 0;
    width: 100%;
    text-align: center;
  }
  nav.active {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .cards, .team {
    flex-direction: column;
    align-items: center;
  }
}