/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f4f7f6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: #3d5afe;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* Header & Navigation */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 40px; /* Adjust as needed */
    height: 40px; /* Adjust as needed */
    margin-right: 10px;
}

a.logo {
    font-size: 1.8em;
    font-weight: bold;
    color: #304ffe;
    text-decoration: none;
}

header ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

header ul li {
    margin-left: 25px;
}

header ul li a {
    font-weight: 500;
    color: #555;
    font-size: 1em;
}

header ul li a:hover {
    color: #3d5afe;
    text-decoration: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #3d5afe, #304ffe);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.8em;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.hero .subtitle {
    font-size: 1.3em;
    margin-bottom: 30px;
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 6px;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.95em;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #ffffff;
    color: #304ffe;
    border: 2px solid transparent;
}

.btn-primary:hover {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    text-decoration: none;
}

.hero .small-text {
    font-size: 0.9em;
    margin-top: 15px;
    opacity: 0.8;
}

/* Features Section */
.features-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.features-section h2, .about-section h2, .how-to-use-section h2, .cta-section h2 {
    text-align: center;
    font-size: 2.2em;
    color: #304ffe;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: #f4f7f6;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.feature-icon {
    width: 60px; /* Adjust for placeholder icons */
    height: 60px;
    margin-bottom: 20px;
    /* Placeholder style - replace with actual icons */
    background-color: #3d5afe;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white; /* For potential text inside icon */
    font-size: 1.5em; /* For potential text inside icon */
}

.feature-item h3 {
    font-size: 1.4em;
    color: #333;
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 0.95em;
    color: #555;
}

/* About Section */
.about-section {
    padding: 60px 0;
    background-color: #e9efff; /* Light blueish background */
}

.about-section p {
    font-size: 1.1em;
    color: #333;
    max-width: 800px;
    margin: 0 auto 20px auto;
    text-align: center;
}

/* How to Use Section */
.how-to-use-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.how-to-use-section ol {
    list-style: none;
    counter-reset: step-counter;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 0;
}

.how-to-use-section ol li {
    font-size: 1.1em;
    margin-bottom: 25px;
    position: relative;
    padding-left: 50px;
    counter-increment: step-counter;
}

.how-to-use-section ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 36px;
    height: 36px;
    background-color: #304ffe;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* CTA Section */
.cta-section {
    background-color: #304ffe;
    color: white;
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    color: white;
}

.cta-section p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.btn-primary-cta {
    background-color: #ffffff;
    color: #304ffe;
    border: 2px solid transparent;
    padding: 15px 30px;
    font-size: 1em;
}

.btn-primary-cta:hover {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    text-decoration: none;
}

/* Footer */
footer {
    background-color: #333;
    color: #bbb;
    text-align: center;
    padding: 30px 0;
    font-size: 0.9em;
}

footer p {
    margin-bottom: 8px;
}

footer a {
    color: #3d5afe;
}

footer a:hover {
    color: #fff;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    header nav {
        flex-direction: column;
        align-items: center; /* Center items for mobile */
    }

    header ul {
        margin-top: 15px;
        flex-direction: column; /* Stack nav items */
        align-items: center; /* Center nav items */
    }

    header ul li {
        margin: 10px 0; /* Adjust spacing for stacked items */
        margin-left: 0;
    }

    .hero h1 {
        font-size: 2.2em;
    }

    .hero .subtitle {
        font-size: 1.1em;
    }

    .features-section h2, .about-section h2, .how-to-use-section h2, .cta-section h2 {
        font-size: 1.8em;
    }

    .features-grid {
        grid-template-columns: 1fr; /* Stack feature items on smaller screens */
    }
}