@import url("https://fonts.googleapis.com/css2?family=Michroma&display=swap");
body {
  color: #333;
  margin: 0;
  font-family: "Poppins", sans-serif;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.5),
      rgba(255, 255, 255, 0.5)
    ),
    url("../assets/background-landing.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  opacity: 0.95;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("../assets/background-landing.png");
  background-size: cover;
  background-position: center;
  opacity: 0.07;
  z-index: -1;
}

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

.about-section h2 {
  font-family: "Michroma", sans-serif;
  color: #1f2c6c;
  font-size: 45px;
  margin-bottom: 20px;
}

.about-section .intro {
  font-size: 16px;
  max-width: 850px;
  margin: 0 auto 50px;
  line-height: 1.7;
  color: #444;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.about-card {
  background-color: white;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.12);
}

.about-card h3 {
  color: #1f2c6c;
  margin-bottom: 15px;
}

.about-card p,
.about-card ul {
  font-size: 15px;
  color: #555;
  line-height: 1.6;
}

.about-card ul {
  list-style-type: disc;
  padding-left: 20px;
}

/* ===== PROGRAMMERS SECTION ===== */
.programmers {
  padding: 80px 60px;
  text-align: center;
}

.programmers h2 {
  color: #1f2c6c;
  font-size: 32px;
  margin-bottom: 40px;
}

.programmer-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.card {
  background-color: #f8f9ff;
  border-radius: 15px;
  padding: 25px;
  width: 230px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
}

.card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 15px;
  border: 3px solid #1f2c6c;
}

.card h3 {
  font-size: 18px;
  color: #1f2c6c;
  margin-bottom: 6px;
}

.card p {
  font-size: 14px;
  color: #555;
}

/* ===== FOOTER ===== */
footer {
  background-color: #1f2c6c;
  color: white;
  text-align: center;
  padding: 20px 10px;
  font-size: 14px;
  margin-top: 60px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .about-section,
  .programmers {
    padding: 60px 30px;
  }

  .about-section h2,
  .programmers h2 {
    font-size: 28px;
  }

  .card {
    width: 85%;
    max-width: 300px;
  }
}

/* ===== SCROLL PROGRESS BAR ===== */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 5px;
  background: linear-gradient(to right, #1f2c6c, #4a63d9);
  z-index: 9999;
  transition: width 0.25s ease;
}

/* ===== SCROLL TO TOP BUTTON ===== */
#scrollTopBtn {
  display: none;
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 9999;
  background-color: #1f2c6c;
  color: white;
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: background 0.3s, transform 0.3s;
}

#scrollTopBtn:hover {
  background-color: #2d3d99;
  transform: translateY(-4px);
}

/* Smaller screen adjustments */
@media (max-width: 768px) {
  #scrollTopBtn {
    width: 40px;
    height: 40px;
    font-size: 18px;
    bottom: 20px;
    right: 20px;
  }
}

.sysinfo {
  padding: 10px 60px 60px 60px;
  text-align: center;
}