/* Basic Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fbfd; /* Light background to match the branding */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: #007bff;
}

h1, h2, h3 {
    color: #1a2a4b; /* Dark blue for headings */
    margin-bottom: 15px;
}

h1 { font-size: 2.5em; }
h2 { font-size: 2em; }
h3 { font-size: 1.5em; }

p {
    margin-bottom: 1em;
}

/* Header & Navigation */
.site-header {
    background-color: #fff;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

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

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: #1a2a4b;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: #1a2a4b;
    font-weight: 600;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #007bff; /* Primary blue hover */
}

.nav-toggle {
    display: none; /* Hidden on desktop */
    font-size: 1.8em;
    background: none;
    border: none;
    color: #1a2a4b;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    background-color: #e0f2fe; /* Light blue background */
    padding: 80px 0;
    text-align: center;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.hero-content {
    max-width: 700px;
}

.hero-content h1 {
    font-size: 3.2em;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #1a2a4b;
}

.hero-content .subtitle {
    font-size: 1.3em;
    color: #3f556b;
    margin-bottom: 30px;
}

.hero-actions .btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1em;
    transition: background-color 0.3s ease;
    margin: 0 10px;
}

.btn-primary {
    background-color: #007bff; /* Primary blue */
    color: #fff;
    border: 2px solid #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-secondary {
    background-color: #fff;
    color: #007bff;
    border: 2px solid #007bff;
}

.btn-secondary:hover {
    background-color: #f0f0f0;
    color: #0056b3;
    border-color: #0056b3;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px; /* Slight roundness to match page aesthetic */
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Who We Help Section */
.who-we-help-section {
    padding: 80px 0;
    background-color: #fff;
    text-align: center;
}

.who-we-help-section h2 {
    margin-bottom: 50px;
    font-size: 2.8em;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: left;
}

.help-card {
    background-color: #f0f8ff; /* Lighter blue for cards */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.help-card .icon {
    font-size: 2.5em;
    color: #007bff;
    margin-bottom: 15px;
}

.help-card h3 {
    color: #1a2a4b;
    font-size: 1.6em;
    margin-bottom: 10px;
}

.help-card p {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 20px;
}

.chat-example {
    background-color: #e6f7ff; /* Even lighter for chat bubbles */
    border-left: 4px solid #007bff;
    padding: 15px;
    border-radius: 5px;
    font-size: 0.95em;
    color: #333;
}

.chat-example .chat-prompt {
    font-style: italic;
    color: #666;
    margin-bottom: 5px;
}
.chat-example .chat-response {
    font-weight: 500;
}


/* How It Works Section */
.how-it-works-section {
    padding: 80px 0;
    text-align: center;
    background-color: #f8fbfd;
}

.how-it-works-section h2 {
    margin-bottom: 50px;
}

.steps-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.step-card {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    max-width: 300px;
    text-align: center;
}

.step-number {
    font-size: 2.5em;
    font-weight: 700;
    color: #007bff;
    margin-bottom: 15px;
    background-color: #e0f2fe;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    margin: 0 auto 20px auto;
}

.step-card h3 {
    font-size: 1.7em;
    margin-bottom: 10px;
}

.step-card p {
    color: #555;
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background-color: #e0f2fe;
    text-align: center;
}

.testimonials-section h2 {
    margin-bottom: 50px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-align: center;
}

.testimonial-card p {
    font-size: 1.1em;
    font-style: italic;
    margin-bottom: 15px;
    color: #444;
}

.testimonial-card span {
    font-weight: 600;
    color: #007bff;
}

/* Footer */
.site-footer {
    background-color: #1a2a4b; /* Dark blue footer */
    color: #fff;
    padding: 40px 0;
    text-align: center;
    font-size: 0.9em;
}

.footer-links a {
    color: #fff;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #007bff;
}

.site-footer p {
    margin-top: 20px;
    margin-bottom: 0;
    color: #bbb;
}

/* Responsive Design (Mobile First) */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: #fff;
        position: absolute;
        top: 60px; /* Adjust based on header height */
        left: 0;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        z-index: 10;
        padding-bottom: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0;
        text-align: center;
        border-bottom: 1px solid #eee;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 15px 0;
        font-size: 1.2em;
    }

    .nav-toggle {
        display: block;
    }

    .hero-section .container {
        flex-direction: column-reverse; /* Image below text on mobile */
    }

    .hero-content h1 {
        font-size: 2.5em;
    }

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

    .hero-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .hero-actions .btn {
        margin: 0; /* Remove horizontal margin for stacking */
        width: 100%; /* Full width buttons */
    }

    .who-we-help-section h2, .how-it-works-section h2, .testimonials-section h2 {
        font-size: 2em;
    }
}

@media (min-width: 769px) {
    .hero-section .container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .hero-content {
        flex: 1;
        padding-right: 40px;
    }

    .hero-image {
        flex: 1;
        text-align: right;
    }

    .hero-image img {
        max-height: 450px; /* Constrain image height on larger screens */
        width: auto;
    }
}