/* Base Variables & Reset */
:root {
    --primary-color: #0d233a; /* Deep Navy Blue */
    --secondary-color: #1a3a5f; /* Lighter Accent Navy */
    --accent-color: #00bcd4; /* High-tech Cyan Accent */
    --text-dark: #333333;
    --text-light: #f8f9fa;
    --bg-light: #f4f7f6;
    --alert-color: #ffb300; /* Warning Color for Coming Soon */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #ffffff;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
}

/* Header & Navigation */
header {
    background: #000000; /* Black Header Background */
    color: var(--text-light);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 65px;
    width: auto;
    display: block;
    object-fit: contain;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--accent-color);
}

/* [NEW] Main Picture Visual Layout */
.main-picture-container {
    background-color: #ffffff;
    padding: 40px 0 20px 0; /* 로고 아래에 적당한 여백 배치 */
    text-align: center;
}

.main-featured-img {
    width: 100%;
    max-height: 500px; /* 대형 화면에서 그림이 너무 거대해지지 않도록 제한 */
    object-fit: cover; /* 프레임에 맞춰 예쁘게 잘라냄 */
    border-radius: 8px; /* 모서리를 살짝 둥글게 처리 */
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12); /* 고급스러운 부드러운 그림자 효과 */
}

/* [NEW] Hero Text Layout (텍스트가 가독성 높게 표시되도록 배경 처리) */
.hero-text-section {
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
    padding: 40px 0 60px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.6rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    color: #555555;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Status Label UI Structure */
.btn.status-banner {
    display: inline-block;
    background: var(--alert-color);
    color: #111111;
    padding: 14px 35px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 5px;
    border: 1px solid #cca100;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn.status-banner i {
    margin-right: 8px;
}

/* Section Templates */
.about, .services, .contact {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    width: 50px;
    height: 3px;
    background: var(--accent-color);
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

/* About Section */
.about {
    background: var(--bg-light);
    text-align: center;
}

.about p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--accent-color);
}

.service-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    background: var(--bg-light);
    text-align: center;
}

.contact-info {
    margin-top: 20px;
    font-size: 1.2rem;
}

.contact-info p {
    margin: 15px 0;
}

.contact-info i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--text-light);
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

/* Responsive Styles */
@media(max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    nav ul {
        margin-top: 5px;
    }
    .hero-content h2 {
        font-size: 1.8rem;
    }
    .main-picture-container {
        padding: 20px 0 10px 0;
    }
}