/* General & Typography */
:root {
    --primary-color: #3f51b5; /* A vibrant blue */
    --secondary-color: #f4f4f4; /* Light gray for backgrounds */
    --text-color: #333;
    --light-text-color: #fff;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #fff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    background-color: var(--light-text-color);
    box-shadow: var(--shadow);
    z-index: 1000;
}

#header-img {
    width: 150px;
}

#nav-bar ul {
    display: flex;
    list-style: none;
}

#nav-bar li {
    margin-left: 1rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 80vh;
    padding-top: 80px; /* To account for fixed header */
    background: linear-gradient(to bottom, var(--secondary-color), #fff);
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.hero-section p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 1.5rem;
}

#form {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 400px;
}

#email {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.btn {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    background-color: #2c3e98; /* A darker shade for hover */
    transform: translateY(-2px);
}

/* Main Content Sections */
main section {
    padding: 80px 0;
}

/* Features Section */
#features {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    text-align: left;
    max-width: 800px;
}

.feature-item i {
    color: var(--primary-color);
    margin-right: 2rem;
    min-width: 60px; /* Fixed width for icon */
}

.feature-item .text h2 {
    margin-bottom: 0.5rem;
}

/* How It Works Section */
#how-it-works {
    text-align: center;
    background-color: var(--secondary-color);
}

#video {
    width: 100%;
    max-width: 800px;
    height: 450px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Pricing Section */
#pricing {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.price-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    max-width: 350px;
    transition: transform 0.3s ease;
}

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

.price-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price-card h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.price-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.price-card li {
    margin: 0.5rem 0;
}

/* Footer Section */
footer {
    background-color: var(--text-color);
    color: var(--light-text-color);
    text-align: center;
    padding: 1.5rem;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    #header {
        flex-direction: column;
        padding: 1rem;
        position: static;
    }
    
    #nav-bar ul {
        margin-top: 1rem;
    }

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

    .feature-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 2rem;
    }

    .feature-item i {
        margin-bottom: 1rem;
    }

    #video {
        height: 300px;
    }

    #pricing {
        flex-direction: column;
        align-items: center;
    }
    
    .price-card {
        width: 100%;
    }
}

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

.social-links a {
    color: var(--light-text-color);
    margin: 0 10px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}