body {
  margin: 0;
  font-family: "Times New Roman", serif;
  color: #222;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* ===== HEADER ===== */
header {
  background: #ffffff;
  border-bottom: 1px solid #000000;
  padding: 10px 0;
}

.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 20px;
  margin: 0;
}

nav {
  margin-top: 5px;
}

nav a {
  margin-right: 15px;
  text-decoration: none;
  color: #000;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

.header-logo img {
  height: 50px;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  overflow: hidden;
  padding: 60px 0;
  border-bottom: 1px solid #000000;

  /* IIEST-style academic blue */
  background: linear-gradient(
    180deg,
    #eef5fb 0%,
    #e3effa 100%
  );
}

/* Canvas background */
#ca-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Content above canvas */
#hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 30px;
}

.hero-text {
  flex: 1;
}
.hero-text p {
  font-size: 20px;
  font-weight: 600;
  color: #0b3d91;   /* slightly lighter blue */
}

.hero-text h2 {
  font-size: 30px;
  font-weight: 800;
  color: #002147;   /* deep academic blue */
  line-height: 1.3;
}

.background {
  background: rgba(255, 255, 255, 0.7);
  padding: 15px 20px;
  border-radius: 6px;
  display: inline-block;
}

.hero-buttons a {
  display: inline-block;
  margin: 10px 10px 0 0;
  padding: 8px 16px;
  border: 1px solid #000;
  text-decoration: none;
  color: #000;
}

.hero-buttons a:hover {
  background: #000;
  color: #fff;
}

.hero-img {
  flex: 1;
  text-align: center;
}

.hero-img img {
  max-width: 100%;
}

/* ===== SECTION ===== */
section {
  padding: 50px 0;
}

h3 {
  border-bottom: 2px solid #000;
  padding-bottom: 5px;
}

/* ===== CTA ===== */
#cta {
  background: #f5f5f5;
  text-align: center;
  border-bottom: 1px solid #000000;
}

#cta a {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid #000;
  text-decoration: none;
}

#cta a:hover {
  background: #000;
  color: #fff;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 20px;
  border-top: 1px solid #ccc;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-grid {
    flex-direction: column;
    text-align: center;
  }
}