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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

nav h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

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

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    opacity: 0.95;
}

.hero .subtitle {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    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);
}

/* Features Section */
.features {
    padding: 4rem 0;
    background-color: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature {
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #667eea;
}

.feature p {
    color: #555;
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.about p {
    max-width: 800px;
    margin: 0 auto 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
}

.about ul {
    max-width: 600px;
    margin: 2rem auto;
    list-style: none;
}

.about li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
    position: relative;
    padding-left: 2rem;
}

.about li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
    font-size: 1.3rem;
}

.about strong {
    color: #667eea;
}

.about a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.about a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: #2d3748;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

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

    nav ul {
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    .features h2,
    .about h2 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.6s ease-out;
}