:root {
    --bg-color: #e8e2d6; /* Warm Bone */
    --text-color: #1a1a1a; /* Charcoal */
    --accent: #c43a2a; /* Industrial Red */
    --serif: 'Playfair Display', serif;
    --sans: 'Inter', sans-serif;
}

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

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

/* Split Layout System */
.split-container {
    display: flex;
    min-height: 100vh;
}

.left-visual {
    width: 45%;
    height: 100vh;
    position: sticky;
    top: 0;
    background-color: #000;
    overflow: hidden;
}

.left-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    filter: sepia(50%) contrast(1.2);
    transition: 0.8s ease;
}

.left-visual:hover img {
    opacity: 1;
    filter: none;
    transform: scale(1.05);
}

.right-content {
    width: 55%;
    padding: 8vw 5vw;
    border-left: 1px solid rgba(0,0,0,0.1);
}

/* Typography */
h1 {
    font-family: var(--serif);
    font-size: 4.5rem;
    line-height: 0.85;
    margin-bottom: 3rem;
    font-weight: 900;
    letter-spacing: -2px;
}

.content-text {
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 650px;
}

.content-text p {
    margin-bottom: 2rem;
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 55%;
    padding: 2rem 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-color);
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-color);
}

.nav-links a.active { color: var(--accent); }

/* Buttons */
.btn-industrial {
    display: inline-block;
    border: 2px solid var(--text-color);
    padding: 1rem 2.5rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: 0.3s;
    margin-top: 2rem;
}

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

footer {
    padding: 4rem 5vw;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
}

@media (max-width: 1100px) {
    .split-container { flex-direction: column; }
    .left-visual { width: 100%; height: 50vh; position: relative; }
    .right-content { width: 100%; }
    nav { width: 100%; }
    h1 { font-size: 3rem; }
}