:root {
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --text-muted: #475569;
    --primary-color: #2563eb;
    --secondary-color: #0f172a;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --container-width: 800px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    padding: 3rem 0;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--secondary-color);
    text-transform: uppercase;
}

main {
    padding-bottom: 6rem;
}

section {
    padding: 5rem 0;
}

.hero {
    padding-top: 2rem;
}

h1 {
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    letter-spacing: -0.04em;
    max-width: 800px;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    letter-spacing: -0.02em;
}

.card {
    background-color: var(--card-bg);
    padding: 3rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.symptom-list,
.responsibility-list {
    list-style: none;
}

.symptom-list li,
.responsibility-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.symptom-list li::before,
.responsibility-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

.mission {
    background-color: var(--secondary-color);
    color: white;
}

.mission h2 {
    color: white;
}

.mission .content {
    max-width: 650px;
}

.mission p {
    font-size: 1.35rem;
    font-weight: 400;
    opacity: 0.9;
}

.contact {
    text-align: left;
    padding-top: 8rem;
}

.contact-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.email-link {
    font-size: 1.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.2s ease;
}

.email-link:hover {
    border-bottom-color: var(--secondary-color);
}

footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.cta-wrapper {
    margin-top: 3rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.cta-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.relationship-statement {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    opacity: 0.8;
}

@media (max-width: 640px) {
    h1 {
        font-size: 1.75rem;
    }

    section {
        padding: 3rem 0;
    }

    .card {
        padding: 2rem;
    }
}