:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --accent: #bb86fc;
    --accent-hover: #9965f4;
    --warn-bg: #2d2b1f;
    --warn-border: #fdd835;
    --font-main: 'Noto Sans KR', sans-serif;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    padding: 60px 0 40px;
    text-align: center;
}

.logo {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(45deg, var(--accent), #03dac6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Disclaimer */
.disclaimer-section {
    margin-bottom: 60px;
}

.disclaimer-box {
    background-color: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--accent);
    padding: 20px;
    border-radius: 4px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer-box .icon {
    font-size: 1.5rem;
}

.disclaimer-box p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.disclaimer-box strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 5px;
}

/* Projects Grid */
.projects-section {
    padding-bottom: 80px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 10px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255,255,255,0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    border-color: var(--accent);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #2a2a2a;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 24px;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-main);
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    min-height: 3em; /* 2 lines approx */
}

.card-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.card-tags span {
    background-color: rgba(255,255,255,0.1);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Footer */
.main-footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-note {
    font-size: 0.8rem;
    opacity: 0.6;
    margin-top: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        text-align: center;
    }
}