:root {
    --bg-dark: #0a0a0c;
    --tech-blue: #00d2ff;
    --art-gold: #ff9f43;
    --text-light: #ffffff;
    --font-main: 'Sarabun', sans-serif;
}

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

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

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 5%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
}

nav ul { display: flex; list-style: none; align-items: center; }
nav ul li { margin-left: 30px; }
nav ul li a { color: white; text-decoration: none; font-weight: 300; transition: 0.3s; }
nav ul li a:hover { color: var(--tech-blue); }

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle, #1a1a2e 0%, #0a0a0c 100%);
}

.hero h1 {
    font-size: 4rem;
    letter-spacing: 5px;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--art-gold), var(--tech-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Split Section */
.split-container {
    display: flex;
    height: 100vh;
    width: 100%;
}

.split {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px;
    transition: flex 0.5s ease;
    position: relative;
    overflow: hidden;
}

.split:hover { flex: 1.5; }

.left { background: #121212; border-right: 1px solid rgba(255,159,67,0.3); }
.right { background: #0f0f0f; }

.left h2 { color: var(--art-gold); font-size: 2.5rem; }
.right h2 { color: var(--tech-blue); font-size: 2.5rem; }

.tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
}

.skills {
    margin: 20px 0;
    list-style: none;
}

.skills li {
    background: rgba(255,255,255,0.05);
    margin: 5px 0;
    padding: 5px 15px;
    border-radius: 5px;
    display: inline-block;
}

.btn-learn {
    padding: 10px 25px;
    background: transparent;
    color: white;
    border: 1px solid white;
    cursor: pointer;
    margin-top: 20px;
    transition: 0.3s;
}

.left .btn-learn:hover { background: var(--art-gold); border-color: var(--art-gold); color: black; }
.right .btn-learn:hover { background: var(--tech-blue); border-color: var(--tech-blue); color: black; }

/* Responsive */
@media (max-width: 768px) {
    .split-container { flex-direction: column; height: auto; }
    .hero h1 { font-size: 2.5rem; }
}