@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;700&display=swap');

:root {
    --primary-color: #FFFFFF;
    --secondary-color: #F8F9FA;
    --accent-color: #FF8C00; /* Orange */
    --text-color: #212529; /* Dark gray */
    --card-bg-color: #FFFFFF;
    --glow-color: rgba(255, 140, 0, 0.2);
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    overflow-x: hidden; 
}

header {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 1rem 2rem;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid #E9ECEF;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.burger {
    display: none;
    cursor: pointer;
    color: var(--text-color); /* Added color */
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 60%;
    height: 100vh;
    background-color: var(--primary-color);
    transition: right 0.3s ease-in-out;
    z-index: 20;
    border-left: 1px solid #E9ECEF;
    box-shadow: -5px 0 15px rgba(0,0,0,0.05);
}

.mobile-nav ul {
    list-style: none;
    padding: 4rem 2rem;
}

.mobile-nav li {
    margin-bottom: 2rem;
}

.mobile-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
}

.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--secondary-color);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    color: #6C757D; /* Softer text color */
}

.hero-content button {
    background-color: var(--accent-color);
    color: #FFFFFF;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--glow-color);
}

.hero-content button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px var(--glow-color);
}

.features, .vtubers, .board, .board-page-container { /* Added .board-page-container */
    padding: 4rem 2rem;
    text-align: center;
}

.board-page-container {
    max-width: 900px;
    margin: 4rem auto;
    padding: 2rem;
    background-color: var(--card-bg-color);
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    color: var(--text-color);
    text-align: left; /* Align text left within the container */
}


h2 {
    font-size: 2.8rem;
    margin-bottom: 3rem; /* Increased margin */
}

.feature-cards, .vtuber-cards { /* Renamed .character-cards */
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.card {
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: 15px;
    width: 300px;
    border: 1px solid #E9ECEF;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

footer {
    background-color: var(--secondary-color);
    color: #6C757D;
    text-align: center;
    padding: 2rem; /* Increased padding */
    margin-top: 4rem; /* Increased margin */
    border-top: 1px solid #E9ECEF;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .nav-links, .auth-controls { /* Hide auth controls on mobile */
        display: none; 
    }

    .burger {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }
}