:root {
    --bg-color: #FAF9F6; /* Bone/Off-white */
    --surface-color: #FDF5E6; /* Old Lace */
    --primary-accent: #D2B48C; /* Tan */
    --secondary-accent: #BC8F8F; /* Rosy Brown */
    --text-color: #4A4A4A; /* Charcoal */
    --text-light: #7A7A7A;
    --border-color: #E6DFD1;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    padding: 2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-accent);
    letter-spacing: -0.02em;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    margin-left: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--secondary-accent);
}

main {
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    padding: 6rem 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 300;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn:hover {
    background-color: var(--secondary-accent);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 300;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.card {
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary-accent);
}

.interactive-box {
    background-color: white;
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 2rem;
}

footer {
    padding: 4rem 5%;
    background-color: var(--surface-color);
    text-align: center;
    margin-top: 6rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    nav { display: none; }
}