/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.nav a:hover {
    color: #000;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 10px;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: 2px solid #ddd;
    color: #666;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
}

.lang-btn:hover {
    border-color: #333;
    color: #333;
}

.lang-btn.active {
    background: #000;
    border-color: #000;
    color: #fff;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    z-index: 999;
}

.mobile-menu.active {
    max-height: 400px;
}

.mobile-menu ul {
    list-style: none;
    padding: 20px;
}

.mobile-menu li {
    margin-bottom: 20px;
}

.mobile-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 1px;
    font-family: 'Montserrat', sans-serif;
    display: block;
    padding: 10px;
    transition: all 0.3s ease;
}

.mobile-menu a:hover {
    color: #000;
    background: #f5f5f5;
    border-radius: 5px;
}

/* Hero Section */
.hero {
    height: 70vh;
    min-height: 500px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.hero-video-bg iframe {
    width: 100vw;
    height: 56.25vw; /* 16:9 aspect ratio */
    min-height: 100vh;
    min-width: 177.77vh; /* 16:9 aspect ratio */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 80px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: 10px;
    font-family: 'Montserrat', sans-serif;
    text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-title .thin {
    font-weight: 300;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 15px;
    letter-spacing: 3px;
    font-family: 'Montserrat', sans-serif;
}

.hero-description {
    font-size: 18px;
    font-weight: 300;
    opacity: 0.9;
}

/* Section Common Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 3px;
    font-family: 'Montserrat', sans-serif;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #000 0%, #666 100%);
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f8f8f8;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 18px;
    line-height: 2;
    text-align: center;
    margin-bottom: 30px;
    color: #555;
}

.about-text-bold {
    font-weight: 700;
    color: #333;
}

.youtube-button-container {
    text-align: center;
    margin-top: 50px;
}

.youtube-button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px !important;
    background: #FF0000 !important;
    background-color: #FF0000 !important;
    color: white !important;
    text-decoration: none !important;
    padding: 16px 40px !important;
    border-radius: 50px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.3) !important;
    font-family: 'Montserrat', sans-serif !important;
}

.youtube-button:hover {
    background: #CC0000 !important;
    background-color: #CC0000 !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 12px 35px rgba(255, 0, 0, 0.4) !important;
}

.youtube-button:active {
    transform: translateY(-1px) !important;
}

.youtube-icon {
    width: 24px !important;
    height: 24px !important;
    flex-shrink: 0 !important;
}

.youtube-button-text {
    color: white !important;
}

/* Artists Section */
.artists {
    padding: 100px 0;
    background: #fff;
}

.artists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.artist-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.artist-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.artist-image {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.artist-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.artist-card:hover .artist-image img {
    transform: scale(1.1);
}

.artist-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 40px;
    transition: background 0.3s ease;
}

.artist-card:hover .artist-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.2) 100%);
}

.artist-info {
    color: white;
}

.artist-name {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: 2px;
    font-family: 'Montserrat', sans-serif;
}

.artist-role {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 1px;
    opacity: 0.9;
}

/* Video Section */
.video-section {
    padding-top: 80px;
    margin-top: 60px;
}

.video-title {
    color: #333;
}

.video-container {
    max-width: 900px;
    margin: 0 auto 50px auto;
    position: relative;
    padding-bottom: 50.625%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 15px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact .title-underline {
    background: linear-gradient(90deg, #fff 0%, #999 100%);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-top: 60px;
}

.contact-item {
    text-align: center;
}

.contact-item h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
    font-family: 'Montserrat', sans-serif;
}

.contact-item p {
    font-size: 16px;
    font-weight: 300;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #000;
    color: white;
    padding: 50px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo img {
    height: 80px;
    width: auto;
}

.footer-text {
    font-size: 14px;
    opacity: 0.7;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .lang-switcher {
        gap: 5px;
    }

    .lang-btn {
        padding: 6px 10px;
        font-size: 11px;
    }

    .hero {
        height: 60vh;
        min-height: 450px;
    }

    .hero-video-bg iframe {
        width: 200vw;
        height: 112.5vw;
        min-height: 200vh;
        min-width: 355.54vh;
    }

    .hero-overlay {
        background: rgba(0, 0, 0, 0.6);
    }

    .hero-title {
        font-size: 48px;
        letter-spacing: 5px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 16px;
        padding: 0 20px;
    }

    .section-title {
        font-size: 36px;
    }

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

    .artist-image {
        height: 500px;
    }

    .artist-name {
        font-size: 28px;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-text {
        font-size: 16px;
        padding: 0 20px;
    }

    .video-section {
        padding-top: 60px;
        margin-top: 40px;
    }

    .video-container {
        max-width: 100%;
        padding: 0 20px;
        padding-bottom: 56.25%; /* 16:9 aspect ratio maintained */
    }

    .video-title {
        font-size: 32px;
    }

    .youtube-button {
        padding: 14px 30px;
        font-size: 15px;
    }

    .youtube-icon {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 50vh;
        min-height: 400px;
    }

    .hero-title {
        font-size: 36px;
        letter-spacing: 3px;
    }

    .logo img {
        height: 40px;
    }

    .artist-image {
        height: 400px;
    }

    .section-title {
        font-size: 28px;
    }

    .lang-btn {
        padding: 5px 8px;
        font-size: 10px;
    }

    .header .container {
        padding: 10px 15px;
    }
}