/* GLOBAL */
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #f5f5f5;
  color: #222;
}

/* HEADER */
.site-header {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 20px;
  background: #ffffff;
  border-bottom: 3px solid #003366;
  flex-wrap: wrap;
}

.site-header img {
  height: 55px;
}

.header-text h1 {
  margin: 0;
  font-size: 22px;
  color: #003366;
}

.university-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #222;
}

/* HERO SECTION */
.hero {
  position: relative;
  min-height: calc(100vh - 160px);
  background: #002244 url('../images/meeting-bg.jpg') center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  padding: 70px 20px;
}

/* PLATFORM TITLE */
.platform-title {
  width: 100%;
  text-align: center;
  font-size: 28px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 30px;
  letter-spacing: 0.5px;
}

/* CARDS */
.card {
  background: #ffffff;
  padding: 25px;
  width: 320px;
  max-width: 100%;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.card h2 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #003366;
  font-size: 18px;
}

.card input {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
}

.card button {
  width: 100%;
  padding: 10px;
  background: #003366;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
}

.card button:hover {
  background: #002244;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 12px;
  background: #ffffff;
  font-size: 14px;
  color: #333;
  border-top: 1px solid #ccc;
}

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

  .site-header {
    justify-content: center;
    text-align: center;
  }

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

  .platform-title {
    font-size: 22px;
    margin-bottom: 20px;
  }

  .hero-content {
    padding-top: 40px;
  }

  .card {
    width: 100%;
    max-width: 360px;
  }
}