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

body {
  background: radial-gradient(circle at top, #6b2cff, #12002f);
  color: #fff;
  overflow-x: hidden;
}

/* ===== WAVES ===== */
.wave-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
}
.wave-bg span {
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(120,80,255,.25), transparent 60%);
  animation: wave 30s linear infinite;
  border-radius: 45%;
}
.wave-bg span:nth-child(2){animation-duration:40s}
.wave-bg span:nth-child(3){animation-duration:55s}

@keyframes wave {
  from {transform: rotate(0deg);}
  to {transform: rotate(360deg);}
}

/* ===== HERO ===== */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 90px 8%;
  align-items: center;
}
.hero h1 {
  font-size: 3rem;
}
.hero h1 span {
  color: #9effc5;
}
.hero p {
  margin: 20px 0;
  opacity: .9;
}
.hero-buttons {
  display: flex;
  gap: 15px;
}
.hero img{
  width: 650px;
}
/* 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);
}


/* ===== BUTTONS ===== */
.btn {
  padding: 12px 28px;
  border-radius: 25px;
  border: none;
  cursor: pointer;
  transition: .3s;
}
.primary {
  background: linear-gradient(90deg,#4ade80,#22c55e);
  color: #003b1d;
}
.secondary {
  background: rgba(255,255,255,.15);
  color: #fff;
}
.big {
  padding: 16px 45px;
  font-size: 1.1rem;
}
.btn:hover {
  transform: translateY(-3px);
}

/* ===== SECTIONS ===== */
section {
  padding: 80px 8%;
}
.section-title {
  text-align: center;
  margin-bottom: 15px;
  font-size: 2rem;
}

/* ===== GRIDS ===== */
.feature-grid,
.learn-grid,
.project-grid {
  display: grid;
  gap: 25px;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  /* grid-template-columns: 1fr; */

}
.learn-grid{
    grid-template-columns: 1fr 1fr;
}
.learn-item:hover{
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}
/* ===== CARDS ===== */
.feature-card,
.learn-item,
.project-card,
.faq-item {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
  border-radius: 18px;
  padding: 25px;
  border: 1px solid rgba(255,255,255,.15);
  transition: .3s;
}
.feature-card:hover,
.learn-item:hover,
.project-card:hover {
  transform: translateY(-6px) scale(1.02);
}

/* ===== PROJECT ===== */
.project-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 15px;
}

/* ===== TOOLS ===== */
.tools {
  text-align: center;
}
.tool-icons {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tool-icons img {
  width: 60px;
  transition: .3s;
}
.tool-icons img:hover {
  transform: scale(1.2);
}

/* ===== FAQ ===== */
.faq-question {
  cursor: pointer;
  font-weight: 600;
}
.faq-answer {
  display: none;
  margin-top: 10px;
  opacity: .85;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 30px;
  opacity: .6;
}

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



.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;
}