* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: radial-gradient(circle at top, #2d2fa3, #0b0f3b);
  color: #fff;
}

/* BUTTONS */
.btn {
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn.primary {
  background: linear-gradient(135deg, #3cff96, #2bdc74);
  color: #0b2c1a;
}

.btn.secondary {
  background: transparent;
  border: 1px solid #7c63ff;
  color: #fff;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.large {
  font-size: 1.1rem;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* display: flex; */
  padding: 70px 8%;
  gap: 40px;
  align-items: center;
  /* border: solid; */
  padding-bottom: 32px;
  /* padding-top:px; */
}

.hero h1 {
  font-size: 3rem;
}

.subtitle {
  color: #a78bfa;
  margin: 10px 0;
}

.description {
  opacity: 0.9;
  max-width: 520px;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

.hero-image img {
  /* width: 100%; */
  width: 609px;
  /* animation: float 4s ease-in-out infinite; */
  /* border: solid ; */
}

/* FEATURES */
.features, .learn, .projects {
  padding: 60px 8%;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
  margin-top: 40px;
}
.feature-grid span{
  font-size:3rem;
}

.feature-card {
  /* display: flex; */
  align-items: center;
  background: rgba(255,255,255,0.08);
  padding: 25px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
}

/* LEARN */
.learn-grid {
  display: grid;
  /* grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); */
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.learn-card {
  padding: 18px;
  background: rgba(255,255,255,0.08);
  border-radius: 14px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;

}
.learn-card:hover{
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}

/* PROJECTS */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.project-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 12px;
}

.project-card p{
  font-weight: 600;
  font-size: 1.35rem;
}
/* INFO */
.info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  padding: 40px 8%;
}

.info-box {
  background: rgba(255,255,255,0.08);
  padding: 16px;
  border-radius: 12px;
  text-align: center;
}
/* UI Decorative Divider */
.ui-divider {
  width: 100%;
  height: 1px;
  margin: 60px auto;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255,255,255,0.3),
    transparent
  );
  position: relative;
}

.ui-divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -1px;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, #4cff9f, #5b8cff);
  border-radius: 50px;
  box-shadow: 0 0 15px rgba(76,255,159,0.6);
}

/* CTA */
.ctax {
  text-align: center;
  padding: 80px 8%;
}

/* ANIMATION */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* MOBILE */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }
  .hero-image img{
    width: 100%;
  }
}



.curriculum-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 5, 30, 0.75);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.curriculum-modal {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  border-radius: 22px;
  width: min(92%, 900px);
  max-height: 85vh;
  padding: 35px;
  border: 1px solid rgba(255,255,255,0.2);
  position: relative;
  animation: popupIn 0.4s ease;
}

@keyframes popupIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(30px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.curriculum-close {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 28px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  opacity: 0.7;
}

.curriculum-close:hover {
  opacity: 1;
}

.curriculum-title {
  text-align: center;
  font-size: 2rem;
}

.curriculum-subtitle {
  text-align: center;
  opacity: 0.75;
  margin-bottom: 25px;
}

.curriculum-body {
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 10px;
}

.curriculum-section {
  background: rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 18px;
  border: 1px solid rgba(255,255,255,0.15);
}

.curriculum-section h3 {
  color: #9effc5;
  margin-bottom: 10px;
}

.curriculum-section li {
  margin-bottom: 8px;
  opacity: 0.9;
}