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

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: #334155;
    background-color: #ffffff;
    line-height: 1.7;
    scroll-behavior: smooth;
}

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

/* 히어로 전용 넓은 컨테이너 */
.hero-container {
    max-width: 1200px; /* 메인 영역 크기를 크게 늘림 */
}

/* 헤더 */
header {
    height: 70px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #f1f5f9;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
}

/* 🖼️ 원형 로고 스타일 */
.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e2e8f0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    display: block;
}

nav a {
    text-decoration: none;
    color: #64748b;
    margin-left: 25px;
    font-weight: 700;
    transition: 0.3s;
    font-size: 15px;
}

nav a:hover {
    color: #3b82f6;
}

.nav-community {
    color: #3b82f6;
    border: 1.5px solid #3b82f6;
    padding: 5px 15px;
    border-radius: 20px;
}

/* 히어로 섹션 */
.hero {
    padding: 140px 0 80px 0;
    background: linear-gradient(to bottom, #eff6ff 0%, #ffffff 100%);
    text-align: center;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: #dbeafe;
    color: #2563eb;
    border-radius: 30px;
    font-size: 13px;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 20px;
}

.highlight {
    color: #3b82f6;
}

.hero p {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    border: none;
    font-size: 16px;
}

.primary {
    background-color: #3b82f6;
    color: white;
}

.primary:hover {
    background-color: #2563eb;
}

.secondary {
    background-color: white;
    color: #3b82f6;
    border: 1px solid #3b82f6;
    margin-left: 10px;
}

.secondary:hover {
    background-color: #f8fafc;
}

/* SNS 버튼 */
.sns-links {
    margin-top: 35px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.sns-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 22px;
    color: white;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.sns-btn.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.sns-btn.youtube {
    background-color: #ff0000;
}

.sns-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
}

/* 🎬 유튜브 반응형 비디오 박스 (대형 롱폼 맞춤 크기) */
.video-container {
    position: relative;
    width: 100%;
    max-width: 1100px; /* 기존보다 훨씬 시원시원하게 확대 */
    padding-bottom: 56.25%; /* 16:9 비율 유지 */
    height: 0;
    margin: 50px auto 0 auto;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    background-color: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* 공통 섹션 타이틀 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-title .bar {
    width: 50px;
    height: 5px;
    background-color: #3b82f6;
    margin: 0 auto;
    border-radius: 10px;
}

/* 소개 섹션 */
.about {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.about-item {
    padding: 40px;
    background-color: #f8fafc;
    border-radius: 24px;
}

.about-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #1e293b;
}

/* 프로젝트 섹션 */
.projects {
    padding: 80px 0;
}

.project-card {
    background-color: white;
    border: 2px solid #f1f5f9;
    padding: 50px;
    border-radius: 30px;
    text-align: center;
    transition: 0.3s;
}

.card-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.project-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.status {
    display: inline-block;
    margin-top: 20px;
    font-size: 14px;
    font-weight: bold;
    color: #f43f5e;
    background-color: #fff1f2;
    padding: 5px 15px;
    border-radius: 8px;
}

/* 커뮤니티 CTA */
.community-cta {
    padding: 100px 0;
    text-align: center;
    background-color: #1e293b;
    color: white;
}

.community-cta h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.community-cta p {
    color: #94a3b8;
    margin-bottom: 40px;
}

.btn-large {
    display: inline-block;
    text-decoration: none;
    background-color: #3b82f6;
    color: white;
    padding: 20px 40px;
    border-radius: 50px;
    border: none;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: 0.3s;
}

.btn-large:hover {
    background-color: #60a5fa;
    transform: scale(1.05);
}

/* 푸터 */
footer {
    padding: 50px 0 40px 0;
    text-align: center;
    border-top: 1px solid #f1f5f9;
    background-color: #fafafa;
    color: #64748b;
    font-size: 14px;
}

.footer-sns {
    margin-bottom: 20px;
}

.footer-sns a {
    color: #64748b;
    font-size: 22px;
    margin: 0 12px;
    transition: 0.3s;
}

.footer-sns a:hover {
    color: #3b82f6;
}

/* 📋 기업 정보 스타일 */
.footer-info {
    margin-bottom: 20px;
    line-height: 1.8;
}

.footer-info p {
    margin: 4px 0;
}

.footer-info strong {
    color: #334155;
    font-weight: 700;
}

.footer-info a {
    color: #64748b;
    text-decoration: none;
    transition: 0.3s;
}

.footer-info a:hover {
    color: #3b82f6;
}

.footer-info .divider {
    margin: 0 10px;
    color: #cbd5e1;
}

.copyright {
    color: #94a3b8;
    font-size: 13px;
    margin-top: 15px;
}