/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

/* Body */
body {
  background-color: #fefefe;
  color: #2c3e50;
  line-height: 1.6;
}

/* Navigation */
nav {
  background: #ffffff;
  padding: 15px 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav a {
  color: #0077b6;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}

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

/* Hero Section */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(to right, #cfd9df, #e2ebf0);
  color: #2c3e50;
}

.logo {
  width: 80px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.2rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.cta-button {
  display: inline-block;
  background: #90e0ef;
  color: #023047;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: #caf0f8;
}

/* Form Section */
.signup-section {
  max-width: 550px;
  margin: 60px auto;
  padding: 30px;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.06);
}

.signup-section h2 {
  text-align: center;
  margin-bottom: 30px;
  color: #0077b6;
  font-size: 1.8rem;
}

form input,
form select,
form textarea {
  display: block;
  width: 100%;
  padding: 14px;
  margin-bottom: 18px;
  border-radius: 10px;
  border: 1px solid #ccc;
  font-size: 1rem;
  background: #f8f9fa;
  font-family: inherit;
  box-sizing: border-box;
}

form button {
  width: 100%;
  padding: 14px;
  background: #00b4d8;
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

form button:hover {
  background: #0096c7;
}

#matchResult {
  margin-top: 20px;
  font-weight: bold;
  text-align: center;
}

/* Match Box */
.match-box {
  margin-top: 20px;
  padding: 20px;
  background-color: #e7f9f6;
  border: 2px solid #b2dfdb;
  border-radius: 12px;
  text-align: center;
  font-size: 1.05rem;
  color: #00695c;
}

/* Cards Grid Container */
.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-top: 20px;
  padding: 0 15px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

/* Learner Card */
.learner-card {
  background-color: #f1faff;
  border: 1px solid #dceefb;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s;
}

.learner-card:hover {
  transform: translateY(-4px);
}

/* Latest Joiners */
.latest-joiners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 30px auto 0;
  padding: 20px;
  max-width: 1000px;
  box-sizing: border-box;
}

.joiner-card {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.joiner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.joiner-card strong {
  display: block;
  font-size: 18px;
  color: #222;
  margin-bottom: 8px;
}

.joiner-card em {
  font-style: normal;
  color: #3a7bd5;
  font-weight: 500;
}

.joiner-card p {
  margin: 6px 0;
  color: #555;
  font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .signup-section {
    padding: 20px;
    margin: 40px 15px;
  }

  nav {
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
  }
}