:root {
    --bg-color: #F9F9F7;
    --text-color: #1A1A1A;
    --accent-red: #C0392B;
}

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

body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Navigation */
nav {
    position: fixed; 
    width: 100%;
    background: rgba(249, 249, 247, 0.9);
    z-index: 1000;
    padding: 1.5rem 0;
    border-bottom: 1px solid #eee;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: bold;
    letter-spacing: 4px;
    text-decoration: none;
    color: var(--text-color);
}

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

.nav-links li { margin-left: 2rem; }
.nav-links a { text-decoration: none; color: var(--text-color); font-size: 0.8rem; text-transform: uppercase; }

/* Large Sections Layout */
.large-section {
    display: flex;
    height: 90vh; 
    width: 100%;
    align-items: center;
    border-bottom: 1px solid #eee;
}

.large-section.reverse {
    flex-direction: row-reverse;
}

.section-image {
    width: 60%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.section-content {
    width: 40%;
    padding: 8%;
}

.section-content h1, .section-content h2 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.section-content p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.btn:hover {
    background: var(--text-color);
    color: white;
}

footer {
    padding: 4rem;
    text-align: center;
    font-size: 0.8rem;
    color: #999;
}

@media (max-width: 768px) {
    .large-section, .large-section.reverse {
        flex-direction: column;
        height: auto;
    }
    .section-image {
        width: 100%;
        height: 50vh;
    }
    .section-content {
        width: 100%;
        padding: 15% 5%;
    }
}