:root {
    --bg-color: #0a0a12;
    --card-bg: #161625;
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --accent-gold: #ffd700;
    --accent-blue: #4facfe;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Noto Sans KR', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Stars Effect */
.background-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 3px),
        radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 2px),
        radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 3px);
    background-size: 550px 550px, 350px 350px, 250px 250px;
    background-position: 0 0, 40px 60px, 130px 270px;
    z-index: -1;
    animation: twinkle 200s linear infinite;
}

@keyframes twinkle {
    from { background-position: 0 0, 40px 60px, 130px 270px; }
    to { background-position: 550px 550px, 390px 410px, 380px 520px; }
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(10, 10, 18, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 2px;
}

.main-nav {
    display: flex;
    gap: 20px;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: color 0.3s, text-shadow 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-btn:hover, .nav-btn.active {
    color: var(--text-main);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* Hero Section */
.hero {
    height: 60vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

/* Grid */
.stars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.star-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(79, 172, 254, 0.3);
    border-color: rgba(79, 172, 254, 0.5);
}

.card-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter 0.3s;
}

.star-card:hover .card-image {
    filter: grayscale(0%);
}

.card-info {
    padding: 20px;
}

.card-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-main);
}

.card-field {
    font-size: 0.8rem;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    display: flex;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    z-index: 10;
}

.close-btn:hover {
    color: var(--text-main);
}

.modal-body {
    display: flex;
    width: 100%;
}

.modal-image-container {
    flex: 1;
    min-width: 300px;
}

.modal-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    flex: 1.5;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-info h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--accent-gold);
}

.modal-field {
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-weight: 700;
}

.modal-desc {
    line-height: 1.6;
    margin-bottom: 30px;
    color: #d0d0d0;
}

.modal-quote {
    border-left: 3px solid var(--accent-gold);
    padding-left: 15px;
    font-style: italic;
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .modal-body {
        flex-direction: column;
    }
    .modal-image-container {
        height: 250px;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .main-nav {
        display: none; /* Simplify for now, maybe add hamburger later */
    }
}