:root {
    --primary-color: #3B82F6; 
    --background-color: #f8f9fa;
    --text-color: #212529;
    --card-bg-color: #ffffff;
    --border-radius: 8px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 2rem 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    max-width: 700px;
    width: 100%;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #495057;
}
.hero p {
    font-size: 1.1rem;
    color: #6c757d;
}

.philosophy {
    margin-top: 4rem;
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.philosophy h3 {
    margin-top: 0;
}
.principles {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    text-align: left;
}
.principle h4 {
    margin-bottom: 0.5rem;
}
.principle p {
    font-size: 0.95rem;
    color: #495057;
}

.cta {
    margin-top: 4rem;
}
.cta form {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}
.cta input[type="email"] {
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    font-size: 1rem;
    width: 60%;
    max-width: 300px;
}
.cta button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--primary-color);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}
.cta button:hover {
    background-color: #2563EB;
}

footer {
    margin-top: 4rem;
    font-size: 0.9rem;
    color: #6c757d;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.meta-info {
    font-size: 0.9rem;
    color: #8a95a1;
    margin-top: -0.5rem;
}

@media (max-width: 600px) {
    .principles {
        flex-direction: column;
    }
    .cta form {
        flex-direction: column;
        align-items: center;
    }
    .cta input[type="email"], .cta button {
        width: 100%;
        max-width: 350px;
    }
}