* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    cursor: pointer;
}

nav a:hover {
    color: #667eea;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.hero {
    text-align: center;
    padding: 4rem 0;
    color: white;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.stats {
    display: flex;
    justify-content: space-around;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin: 2rem 0;
    color: white;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.exercises-header {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    margin: 2rem 0;
    text-align: center;
}

.about-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    margin: 2rem 0;
}

.about-content h2 {
    color: #667eea;
    margin-bottom: 1rem;
}

.about-content p {
    margin-bottom: 1.5rem;
    color: #666;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.team-member {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 15px;
}

.team-member img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 1rem;
    object-fit: cover;
}

/* Progress Dashboard */
.progress-dashboard {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    margin: 2rem 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.progress-dashboard h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
}

.dashboard-icon {
    font-size: 2.5rem;
    background: rgba(255, 255, 255, 0.2);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-info h3 {
    font-size: 2rem;
    margin: 0;
}

.dashboard-info p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.9rem;
}

.category-progress {
    margin-top: 2rem;
}

.category-progress h3 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.category-progress-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.category-item {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.category-item h4 {
    margin: 0 0 0.5rem 0;
    color: #333;
}

.category-item p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

footer {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    color: #4f4f4f;
    text-align: center;
    padding: 1.5rem;
    margin-top: 8rem;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .header-content { flex-direction: column; gap: 1rem; }
    .stats { flex-direction: column; gap: 1rem; }
    
    .progress-dashboard {
        padding: 1.5rem;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .category-progress-list {
        grid-template-columns: 1fr;
    }
}
/* Added section: Footer styles */
footer {
  background-color: #1e1e1e;
  color: #fff;
  text-align: center;
  padding: 25px 0;
  margin-top: 50px;
  border-top: 1px solid #333;
}

footer p {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.social-icons {
  margin-top: 10px;
}

.social-icons a {
  color: #fff;
  font-size: 1.5rem;
  margin: 0 12px;
  transition: color 0.3s ease, transform 0.3s ease;
  text-decoration: none;
}

.social-icons a:hover {
  color: #00bcd4;
  transform: scale(1.1);
}
/*  End added section */