/* Base Reset & Variables */
:root {
    --primary-color: #0b132b; /* Deep Navy Space */
    --secondary-color: #1c2541; /* Lighter Navy */
    --accent-color: #fca311; /* Gold Accent */
    --accent-hover: #e08e00;
    --text-main: #f0f4f8; /* Off White */
    --text-muted: #9ba4b5;
    --bg-dark: #050b14;
    --bg-card: #151e32;
    --border-color: #2c3e50;
    
    --font-main: 'Noto Sans KR', sans-serif;
    --font-heading: 'Cinzel', serif;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Global Header */
.global-header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    height: 70px;
    background: rgba(11, 19, 43, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(252, 163, 17, 0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo .logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
    transition: color 0.3s;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0; width: 0; height: 2px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.main-nav a:hover::after {
    width: 100%;
}

.main-nav a.active-nav {
    color: var(--accent-color);
    font-weight: 700;
}
.main-nav a.active-nav::after {
    width: 100%;
}

/* Dropdown Menu CSS */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(11, 19, 43, 0.95);
    backdrop-filter: blur(10px);
    min-width: 140px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 1001;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 10px 0;
    margin-top: 15px; /* 공간 약간 확보 */
}

/* 가상 요소를 이용해 마우스가 메뉴 밖으로 벗어났을 때 바로 꺼지지 않게 다리 역할 */
.dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 15px;
}

.dropdown-content a {
    color: var(--text-main);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.95rem;
    transition: all 0.3s;
    text-align: center;
}

/* 링크 호버 시 밑줄 효과 제거하고 배경색/글자색 변경 */
.dropdown-content a::after {
    display: none !important;
}

.dropdown-content a:hover {
    background: rgba(252, 163, 17, 0.1);
    color: var(--accent-color);
}

.dropdown > .dropdown-content {
    display: none;
}

.dropdown:hover > .dropdown-content {
    display: block;
    animation: fadeIn 0.3s;
}

.btn-play-small {
    background: var(--accent-color);
    color: #fff;
    padding: 8px 24px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(252, 163, 17, 0.3);
}

.btn-play-small:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(252, 163, 17, 0.5);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 600px;
    margin-top: 70px; /* Offset for header */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

/* Simulated dynamic background using CSS Gradients */
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url("../images/home/hero_bg.png") center center / cover no-repeat;
    z-index: -2;
    filter: brightness(1.1); /* Slightly brighten the dark artwork */
}

/* Semi-transparent overlay for text contrast */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

/* Optional particle-like overlay */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: radial-gradient(rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.3;
}

.hero-content {
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.welcome-greeting {
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-size: 1.2rem;
    letter-spacing: 3px;
    margin-bottom: 20px;
    text-transform: uppercase;
    opacity: 0.9;
}

.game-logo-img {
    max-width: 420px;
    width: 80%;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 40px rgba(0,0,0,0.9));
    animation: floating 4s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.game-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.btn-hero-play {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, var(--accent-color), #d35400);
    color: #fff;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 10px 30px rgba(252, 163, 17, 0.4);
    text-decoration: none;
}

.btn-hero-play:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 15px 40px rgba(252, 163, 17, 0.6);
}

.btn-icon {
    margin-left: 10px;
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.btn-hero-play:hover .btn-icon {
    transform: translateX(5px);
}

/* Content Area */
.main-content {
    padding: 60px 20px;
}

.content-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

/* Notice Board */
.notice-board {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.board-header h2 {
    font-size: 1.4rem;
    color: #fff;
}

.btn-more {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color 0.3s;
}

.btn-more:hover {
    color: var(--accent-color);
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 20px;
    transition: all 0.3s;
    font-family: inherit;
}

.tab-btn:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.tab-btn.active {
    background: var(--accent-color);
    color: #fff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

.post-list li {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border-color);
}

.post-list li:last-child {
    border-bottom: none;
}

.post-category {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 15px;
    min-width: 70px;
    text-align: center;
}

.cat-공지 { background: #e74c3c; color: white; }
.cat-업데이트 { background: #3498db; color: white; }
.cat-개발일지 { background: #2ecc71; color: white; }

.post-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s;
}

.post-title:hover {
    color: var(--accent-color);
}

.post-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-left: 15px;
}

/* Feature Grid */
.feature-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card {
    position: relative;
    height: 180px;
    border-radius: 12px;
    overflow: hidden;
    display: block;
    background: var(--secondary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.7);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* Subtle gradient placeholder for image */
    background: linear-gradient(45deg, rgba(11, 19, 43, 0.8), rgba(28, 37, 65, 0.4));
    z-index: 1;
    transition: opacity 0.3s;
}

.feature-card:hover::before {
    opacity: 0.7;
}

.card-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 2;
}

.card-overlay h3 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.card-overlay p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Footer */
.global-footer {
    background: #02050a;
    padding: 40px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 50px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-logo {
    font-family: var(--font-heading);
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.copyright {
    color: #556070;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .content-container {
        grid-template-columns: 1fr;
    }
    .game-title {
        font-size: 2.5rem;
    }
    .main-nav {
        display: none; /* simple mobile nav override needed later */
    }
}