@font-face {
    font-family: 'GalmuriMono9';
    src: url('../srcs/fonts/GalmuriMono9.ttf') format('truetype');
}

@font-face {
    font-family: 'Mulmaru';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2601-4@1.1/Mulmaru.woff2') format('woff2');
    font-weight: normal;
    font-display: swap;
}

/* Local Mona12 Font */
@font-face {
    font-family: 'Mona12';
    src: url('srcs/fonts/Mona12.otf') format('opentype');
    font-weight: normal;
}

/* Pretendard Local Fonts */
@font-face {
    font-family: 'Pretendard';
    src: url('../srcs/fonts/Pretendard/Pretendard-Regular.otf') format('opentype');
    font-weight: 400;
}
@font-face {
    font-family: 'Pretendard';
    src: url('../srcs/fonts/Pretendard/Pretendard-Bold.otf') format('opentype');
    font-weight: 700;
}

:root {
    --bg-color: #050505;
    --text-main: #e0e0e0;
    --text-neon: #ff3333; 
    --text-error: #ff0000;
    --border-color: #331111;
    --terminal-font: 'GalmuriMono9', 'Courier New', monospace;
    --ui-font: 'Mona12', 'Pretendard', sans-serif; /* Priority to Mona12 */
    --accent-font: 'Mulmaru', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--ui-font);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden;
}

p {
    font-family: var(--ui-font);
}

/* CRT Scanline Effect */
body::before {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), 
                linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(255, 0, 0, 0.01), rgba(255, 0, 0, 0.03));
    z-index: 9999;
    background-size: 100% 4px, 3px 100%;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Heading Levels - Mulmaru Font */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--accent-font);
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1 {
    font-size: 3rem;
    color: var(--text-neon);
}

h2 {
    color: var(--text-neon);
    font-size: 2.2rem;
    margin-bottom: 30px;
    border-left: 5px solid var(--text-neon);
    padding-left: 15px;
}

h3 {
    color: var(--text-neon);
    font-size: 1.8rem;
    margin-top: 0;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: url('srcs/2. Images/Wallpapers/TT_WALLPAPER_EN_NO_LOGO.png') no-repeat center center;
    background-size: cover;
    border-bottom: 2px solid var(--text-neon);
}

.hero::after {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 0, 0, 0.7);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-logo {
    max-width: 600px;
    width: 90%;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 15px rgba(255, 51, 51, 0.6));
}

.tagline {
    font-family: var(--terminal-font);
    font-size: 1.5rem;
    color: var(--text-neon);
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.5);
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid var(--text-neon);
    color: var(--text-neon);
    padding: 5px 10px;
    cursor: pointer;
    font-family: var(--terminal-font);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.lang-btn:hover, .lang-btn.active {
    background: var(--text-neon);
    color: var(--bg-color);
    box-shadow: 0 0 10px var(--text-neon);
}

/* Language Logic */
body.lang-en [lang="ko"], body.lang-en [lang="jp"], body.lang-en [lang="cn"], body.lang-en [lang="cnt"] { display: none !important; }
body.lang-ko [lang="en"], body.lang-ko [lang="jp"], body.lang-ko [lang="cn"], body.lang-ko [lang="cnt"] { display: none !important; }
body.lang-jp [lang="en"], body.lang-jp [lang="ko"], body.lang-jp [lang="cn"], body.lang-jp [lang="cnt"] { display: none !important; }
body.lang-cn [lang="en"], body.lang-cn [lang="ko"], body.lang-cn [lang="jp"], body.lang-cn [lang="cnt"] { display: none !important; }
body.lang-cnt [lang="en"], body.lang-cnt [lang="ko"], body.lang-cnt [lang="jp"], body.lang-cnt [lang="cn"] { display: none !important; }

/* Typing Effect */
.typing-effect {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--text-neon);
    animation: typing 3s steps(40, end), blink 0.75s step-end infinite;
}

@keyframes typing { from { width: 0; } to { width: 100%; } }
@keyframes blink { from, to { border-color: transparent; } 50% { border-color: var(--text-neon); } }

/* --- Features --- */
.feature-item {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 80px;
}

.feature-item:nth-child(even) { flex-direction: row-reverse; }
.feature-text { flex: 1; }
.feature-visual {
    flex: 1;
    border: 2px solid var(--border-color);
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.2);
}
.feature-visual img { width: 100%; display: block; filter: none; }

/* --- Gallery --- */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 40px;
}

.gallery-item { border: 1px solid var(--border-color); overflow: hidden; transition: 0.3s; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(30%); }
.gallery-item:hover { border-color: var(--text-neon); transform: scale(1.03); box-shadow: 0 0 15px rgba(255, 51, 51, 0.4); }
.gallery-item:hover img { filter: grayscale(0%); }

/* --- Synopsis --- */
.synopsis-box {
    background: #110000;
    border: 1px solid var(--text-error);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.synopsis-box p { font-family: var(--terminal-font); font-size: 1.1rem; }
.highlight-error { color: var(--text-error); font-weight: bold; animation: glitch-text 2s infinite; }
.section-title-error { color: var(--text-error); border-left-color: var(--text-error); text-shadow: 0 0 10px var(--text-error); }

@keyframes glitch-text {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}

/* --- Steam CTA --- */
.steam-cta { 
    text-align: center; 
    margin: 80px 0;
}

.steam-cta div {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.steam-btn {
    display: inline-block;
    font-family: var(--accent-font);
    color: var(--text-neon);
    text-decoration: none;
    font-size: 1.4rem;
    padding: 15px 30px;
    border: 3px solid var(--text-neon);
    background: transparent;
    transition: 0.3s;
    text-transform: uppercase;
    min-width: 280px;
}
.steam-btn:hover { background: var(--text-neon); color: var(--bg-color); box-shadow: 0 0 30px var(--text-neon); }

/* --- Footer --- */
footer {
    text-align: center;
    padding: 60px 20px;
    border-top: 1px solid var(--border-color);
    font-family: var(--terminal-font);
    color: #444;
}

/* Responsive */
@media (max-width: 768px) {
    .feature-item, .feature-item:nth-child(even) { flex-direction: column; }
    .hero { height: 60vh; }
    h2 { font-size: 1.8rem; }
}