* {
    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;
}

/* Header Styles */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-menu a:hover {
    color: #667eea;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9)),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    color: white;
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3), transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3), transparent 50%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: white;
    color: #667eea;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Tutorial Sections */
.tutorial-section {
    background: white;
    margin: 2rem auto;
    max-width: 1200px;
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.tutorial-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.tutorial-card {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tutorial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.tutorial-card h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.tutorial-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tutorial-card a {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.tutorial-card a:hover {
    color: #764ba2;
}

/* Resource Section */
.resource-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.resource-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.resource-item h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.resource-item ul {
    list-style: none;
}

.resource-item li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.resource-item li:last-child {
    border-bottom: none;
}

.resource-item a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.resource-item a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Tools Section */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tool-category {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.tool-category h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.tool-category ul {
    list-style: none;
}

.tool-category li {
    padding: 0.3rem 0;
}

.tool-category a {
    color: #667eea;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: block;
    padding: 0.2rem 0;
}

.tool-category a:hover {
    color: #764ba2;
    text-decoration: underline;
    transform: translateX(5px);
}

/* Footer */
footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content p {
    color: #666;
    margin-bottom: 0.5rem;
}

.footer-content a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-content a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .tutorial-section {
        margin: 1rem;
        padding: 2rem 1rem;
    }

    .tutorial-grid,
    .resource-list,
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .tutorial-section h2 {
        font-size: 2rem;
    }
}