/* Reset and Basic Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sansសារaria, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

ul {
    list-style: none;
}

/* Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* Header & Navigation */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 1000;
}

nav {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a365d; /* Deep Blue for Trust */
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul li a {
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #2c5282;
}

/* Hero Section */
#hero {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ebf8ff 0%, #fff 100%);
    text-align: center;
    padding: 0 20px;
}

#hero h1 {
    font-size: 3rem;
    color: #2a4365;
    letter-spacing: -1px;
    word-break: keep-all;
}

/* Content Sections */
h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    color: #2d3748;
    text-align: center;
}

#about-text, #business-text {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.vision-box {
    background-color: #f7fafc;
    padding: 40px;
    border-radius: 12px;
    margin-top: 40px;
    text-align: center;
}

.vision-box h3 {
    font-size: 1.5rem;
    color: #2b6cb0;
    margin-bottom: 15px;
}

/* Announcements */
#announcement-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#announcement-list li {
    padding: 20px;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    display: flex;
    justify-important: space-between;
}

#announcement-list li .date {
    font-weight: 600;
    color: #718096;
    margin-right: 20px;
}

#announcement-list li .title {
    flex-grow: 1;
    font-size: 1.1rem;
}

/* Footer */
footer {
    background-color: #1a202c;
    color: #cbd5e0;
    text-align: center;
    padding: 40px 20px;
}

footer p {
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    #hero h1 { font-size: 2rem; }
    nav ul { display: none; } /* Simple mobile approach for now */
    h2 { font-size: 1.8rem; }
}