html,
body {
  overflow-x: hidden;
  width: 100%;
}
html {
  scroll-behavior: smooth;
}
img {
  opacity: 0.6;
}

.navbar-toggler .close-icon {
  font-size: 1.8rem;
  color: #fff;
  line-height: 1;
}

.navbar-brand img {
  width: 28px; /* Smaller logo */
}

/* Navbar tweaks for small devices */
@media (max-width: 767px) {
  .navbar-brand img {
    width: 25px; /* Smaller logo */
  }

  .navbar .brand-text {
    font-size: 1.1rem; /* Shrink brand text */
    white-space: nowrap; /* Prevent wrapping */
    max-width: 140px; /* Control text width */
    /* overflow: hidden; */
    /* text-overflow: ellipsis; Show ... if too long */
  }

  .navbar-toggler {
    margin-left: auto; /* Keep hamburger to the right */
  }
}

@media (max-width: 575px) {
  .navbar .brand-text {
    font-size: 0.9rem; /* Even smaller text on very small phones */
    max-width: 100px;
  }
}

/* <= 405px : shrink logo + text, keep FULL NAME */
@media (max-width: 405px) {
  .navbar-brand img {
    width: 20px; /* smaller logo */
  }

  .navbar .brand-text {
    font-size: 0.9rem; /* smaller text */
    white-space: nowrap; /* keep full text on one line */
  }

  .navbar-toggler {
    margin-left: auto; /* push hamburger to right */
    padding: 2px 6px; /* smaller button */
  }
}

/* <= 340px : shrink logo more + switch text to CIA */
@media (max-width: 340px) {
  .navbar-brand img {
    width: 20px; /* extra small logo */
  }

  .navbar .brand-text {
    font-size: 0; /* hide full text */
  }

  .navbar .brand-text::after {
    content: "CIA"; /* short version */
    font-size: 0.8rem; /* readable size */
  }
}

/* Hero */
.hero {
  background: url("https://cdn.pixabay.com/photo/2017/07/31/14/45/code-2558220_1280.jpg")
    no-repeat center center/cover;
  color: #fff;
  padding: 120px 0;
  min-height: 100vh; /* ensures full screen height */
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: bold;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

.about h2 {
  font-size: 2.2rem;
  color: #133e78;
}
.about .card {
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.about .card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.about ul li {
  padding: 6px 0;
  font-size: 1rem;
}

/* Courses */
.course-card {
  transition: all 0.3s ease;
  border-radius: 12px;
}
.course-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Testimonials */
.testimonial-card {
  border-radius: 15px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}
.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  max-height: 70px; /* collapsed height */
  overflow: hidden;
  text-overflow: ellipsis;
  transition: max-height 0.6s ease, opacity 0.6s ease;
  opacity: 0.9;
}

.testimonial-text.expanded {
  opacity: 1;
}

.read-more {
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}

.read-more:hover {
  background-color: #0d6efd;
  color: #fff;
  transform: scale(1.05);
}

/* Contact */
/* #contact h2 {
  color: #133e78;
} */
#contact .form-control:focus {
  border-color: #133e78;
  box-shadow: 0 0 5px rgba(19, 62, 120, 0.5);
}
#contact .social-icon {
  font-size: 1.3rem;
  color: #133e78;
  transition: transform 0.3s ease, color 0.3s ease;
}
#contact .social-icon:hover {
  color: #ffc107;
  transform: scale(1.2);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #0b4560, #092c40);
}
.footer h5 {
  margin-bottom: 15px;
}
.footer a {
  color: #ddd;
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer a:hover {
  color: #ffc107;
}
.social-icon {
  font-size: 1.4rem;
  color: #fff;
  transition: transform 0.3s ease, color 0.3s ease;
}
.social-icon:hover {
  transform: scale(1.2);
  color: #ffc107;
}
.newsletter-form input {
  border-radius: 20px 0 0 20px;
}
.newsletter-form button {
  border-radius: 0 20px 20px 0;
}