/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #4a5568;
    background-color: #77b8fa;
}

/* Soothing color palette */
/* Soft blues and greens for a calming effect */
:root {
    --primary-color: #4299e1;      /* Soft blue */
    --secondary-color: #48bb78;    /* Soft green */
    --accent-color: #ed8936;       /* Soft orange */
    --dark-color: #2d3748;         /* Dark gray */
    --light-color: #edf2f7;        /* Very light gray */
    --lighter-color: #f7fafc;      /* Almost white */
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and navigation */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    float: left;
    font-size: 2rem;
}

header nav {
    float: right;
    margin-top: 10px;
}

header nav ul {
    list-style: none;
}

header nav ul li {
    display: inline;
    margin-left: 20px;
}

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

header nav ul li a:hover {
    color: #e2e8f0;
}

/* Clearfix */
header::after {
    content: "";
    display: table;
    clear: both;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #63b3ed 0%, #4299e1 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.btn-primary {
    display: inline-block;
    background-color: white;
    color: var(--primary-color);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    background-color: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Features section */
.features {
    padding: 4rem 0;
    background-color: rgb(228, 228, 228);
}

.features h1 {
    color: #464646;
}

.features h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background-color: var(--lighter-color);
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--light-color);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.feature h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* CTA section */
.cta {
    background: linear-gradient(135deg, #68d391 0%, #48bb78 100%);
    color: white;
    text-align: center;
    padding: 4rem 0;
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

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

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

footer nav ul {
    list-style: none;
    margin-top: 1rem;
}

footer nav ul li {
    display: inline;
    margin: 0 10px;
}

footer nav ul li a {
    color: #e2e8f0;
    text-decoration: none;
    font-size: 0.9rem;
}

footer nav ul li a:hover {
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    header h1 {
        float: none;
        text-align: center;
        margin-bottom: 1rem;
    }

    header nav {
        float: none;
        text-align: center;
    }

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

    .hero p {
        font-size: 1rem;
    }

    .features h3 {
        font-size: 1.8rem;
    }

    .cta h2 {
        font-size: 1.8rem;
    }

    .cta p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

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