:root {
  --primary-color: #4a90e2; /* Bright, modern blue */
  --secondary-color: #f5a623; /* Vibrant, warm orange/gold */
  --accent-color: #50e3c2; /* A fresh mint green for accents */
  --background-color: #f8f9fa;
  --white-color: #ffffff;
  --text-color: #343a40;
  --light-gray: #dee2e6;
  --box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  --border-radius: 16px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.8;
  overflow-x: hidden;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.hero {
  background: linear-gradient(to top, var(--white-color) 0%, #e9f3ff 100%);
  padding: 100px 0;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 25px;
  line-height: 1.3;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: #555;
  max-width: 500px;
}

.hero-image {
  text-align: center;
  position: relative;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  animation: floatAnimation 6s ease-in-out infinite;
}

.btn {
  display: inline-block;
  padding: 16px 40px;
  background-color: var(--secondary-color);
  color: var(--white-color);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(245, 166, 35, 0.4);
}

.btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 20px rgba(245, 166, 35, 0.5);
}
section {
  padding: 100px 0;
}

#about {
  background-color: var(--white-color);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--secondary-color);
  border-radius: 2px;
}
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.advantage-card {
  background-color: var(--white-color);
  padding: 30px;
  border-radius: var(--border-radius);
  border: 2px solid var(--light-gray);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 20px;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(245, 166, 35, 0.2);
  border-color: var(--secondary-color);
}

.advantage-card .icon-wrapper {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background-color: #e9f3ff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.advantage-card i {
  font-size: 2rem;
  color: var(--primary-color);
}

.advantage-card:hover .icon-wrapper {
  background-color: var(--primary-color);
}
.advantage-card:hover i {
  color: var(--white-color);
}

.advantage-text h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 8px;
}
.advantage-text p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #666;
}

#levels {
  background-color: var(--white-color);
}
.learning-path-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}
.path-step {
  display: flex;
  align-items: flex-start;
  gap: 25px;
  position: relative;
}
.step-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: var(--white-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 5px var(--white-color), 0 4px 10px rgba(0, 0, 0, 0.1);
}
.path-step:not(:last-child) .step-icon::after {
  content: "";
  position: absolute;
  top: 100%;
  right: 50%;
  transform: translateX(50%);
  width: 3px;
  height: calc(100% + 20px);
  background-color: var(--primary-color);
  opacity: 0.2;
}
.step-content {
  background-color: var(--white-color);
  padding: 25px;
  border-radius: var(--border-radius);
  width: 100%;
  border: 2px solid var(--light-gray);
  transition: all 0.3s ease;
}
.path-step:hover .step-content {
  box-shadow: 0 8px 25px rgba(245, 166, 35, 0.2);
  border-color: var(--secondary-color);
}
.step-content h3 {
  font-size: 1.6rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}
.step-content p {
  font-size: 1rem;
  color: #666;
  margin-bottom: 20px;
}
.book-list {
  margin-top: 20px;
  border-top: 1px solid var(--light-gray);
  padding-top: 20px;
}
.book-category {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 10px;
}
.book-category h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-color);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.book-category h4 i {
  color: var(--secondary-color);
}
.book-category span {
  font-size: 1rem;
  color: #555;
  font-weight: 500;
}

.content-section {
  background-color: var(--white-color);
}
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}
.content-grid.reverse .content-image {
  order: 2;
}
.content-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}
.content-text h3 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}
.content-text p {
  margin-bottom: 15px;
  line-height: 2;
}

#cta-wrapper {
  background: linear-gradient(to bottom, var(--white-color) 0%, #e9f3ff 100%);
  padding-top: 0;
  padding-bottom: 100px;
}
#cta {
  background: linear-gradient(45deg, #6a11cb, #2575fc);
  color: var(--white-color);
  text-align: center;
  border-radius: var(--border-radius);
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 40px;
}
#cta h2 {
  color: var(--white-color);
  font-size: 2.5rem;
}
#cta p {
  max-width: 600px;
  margin: 20px auto 30px;
  opacity: 0.9;
}
.cta-contact-info {
  margin: 30px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  max-width: 700px;
}
.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
}
.cta-contact-item i {
  color: var(--secondary-color);
}
.cta-contact-item a {
  color: var(--white-color);
  text-decoration: none;
  transition: color 0.3s ease;
  direction: ltr;
}
.cta-contact-item a:hover {
  color: var(--secondary-color);
}
.cta-buttons {
  margin-top: 30px;
}

@keyframes floatAnimation {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(1deg);
  }
  100% {
    transform: translateY(0px) rotate(0deg);
  }
}
@media (max-width: 992px) {
  .hero-text h1 {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .hero-grid,
  .content-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-image {
    order: -1;
    margin-bottom: 40px;
  }
  .content-grid.reverse .content-image {
    order: 0;
  }
  .hero-text h1 {
    font-size: 2.5rem;
  }
  .hero-text p {
    font-size: 1.1rem;
  }
  .section-title h2 {
    font-size: 2.2rem;
  }
  .advantage-card {
    flex-direction: column;
    text-align: center;
  }
}