/* =================== Global =================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Inter', sans-serif;
  color: #2c2c2c;
  line-height: 1.6;
  background: #f8f9fc;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Buttons */
.btn-primary {
  background: linear-gradient(45deg, #4b6cb7, #182848);
  color: white;
  padding: 10px 25px;
  border-radius: 6px;
  font-weight: 600;
  display: inline-block;
  transition: 0.3s;
}
.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  background: #fff;
  border: 1px solid #4b6cb7;
  color: #4b6cb7;
  padding: 10px 25px;
  border-radius: 6px;
  font-weight: 600;
  transition: 0.3s;
}
.btn-secondary:hover {
  background: #4b6cb7;
  color: white;
}

/* =================== Hero =================== */
.hero {
  background: linear-gradient(120deg, #4b6cb7 0%, #182848 100%);
  color: white;
  padding: 80px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-content h1 {
  font-size: 3rem;
  font-weight: 700;
}
.tagline { font-size: 1.3rem; margin-top: 15px; font-weight: 500; }
.subtitle { margin: 15px auto 25px; max-width: 600px; }
.cta-buttons { display: flex; justify-content: center; gap: 15px; margin-top: 20px; }
.hero-image {
  max-width: 700px;
  margin-top: 40px;
  width: 90%;
  animation: float 5s ease-in-out infinite;
}

/* Floating animation */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* =================== Trusted Logos =================== */
.trusted {
  padding: 50px 0;
  text-align: center;
}
.trusted h2 { margin-bottom: 25px; }
.exam-logos img {
  max-height: 50px;
  margin: 0 15px;
  filter: grayscale(100%);
  transition: 0.3s;
}
.exam-logos img:hover { filter: grayscale(0); }

/* =================== Features =================== */
.features {
  padding: 80px 0;
  background: white;
}
.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 50px;
  font-weight: 700;
  color: #182848;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
  max-width: 1100px;
  margin: auto;
}
.feature-card {
  background: #fff;
  padding: 30px 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  transition: 0.3s;
}
.feature-card:hover { transform: translateY(-5px); }
.feature-icon {
  font-size: 2.5rem;
  color: #4b6cb7;
  margin-bottom: 15px;
}

/* =================== Stats =================== */
.stats {
  background: linear-gradient(120deg, #4b6cb7, #182848);
  color: white;
  padding: 60px 0;
  text-align: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
}
.stat-item h2 {
  font-size: 2.5rem;
  font-weight: 700;
}
.stat-item p { margin-top: 5px; }

/* =================== Roadmap =================== */
.roadmap {
  padding: 80px 0;
  background: #f8f9fc;
}
.timeline {
  max-width: 700px;
  margin: auto;
  border-left: 3px solid #4b6cb7;
  padding-left: 25px;
  position: relative;
}
.timeline-item {
  margin-bottom: 40px;
  position: relative;
}
.timeline-item:before {
  content: "";
  position: absolute;
  left: -9px;
  top: 0;
  width: 18px;
  height: 18px;
  background: #4b6cb7;
  border-radius: 50%;
}
.timeline-date {
  font-weight: 700;
  color: #182848;
}
.timeline p { margin: 5px 0 0; }

/* =================== Signup =================== */
.signup {
  padding: 80px 0;
  text-align: center;
  background: white;
}
.signup-form {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.signup-form input {
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 6px;
  width: 250px;
  font-size: 0.95rem;
}

/* =================== Footer =================== */
footer {
  background: #182848;
  color: white;
  padding-top: 50px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 25px;
  max-width: 1100px;
  margin: auto;
  padding-bottom: 30px;
}
.footer-logo { width: 120px; margin-bottom: 10px; }
.footer-links h4, .footer-newsletter h4 { margin-bottom: 10px; font-weight: 600; }
.footer-links a { display: block; margin-bottom: 6px; font-size: 0.9rem; }
.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding: 15px 0;
  font-size: 0.85rem;
}
.btn-sm { padding: 6px 15px; font-size: 0.85rem; }