/* ===================================
   Home Page Styles
   =================================== */

/* ===================================
   Notice Bar (PC Only)
   공지사항 바 - PC 전용
   =================================== */
.notice-bar {
    display: none;
}

@media screen and (min-width: 768px) {
    .notice-bar {
        display: flex;
        align-items: center;
        width: 100%;
        height: 52px;
        background: #ffffff;
        padding: 0 40px;
        gap: 16px;
        max-width: 1920px;
        margin: 0 auto;
    }

    .notice-bar .notice-text {
        flex: 1 1 auto;
        max-width: 600px;
        font-size: 14px;
        color: #333;
        overflow: hidden;
        white-space: nowrap;
    }

    .notice-bar .notice-text p {
        display: inline-block;
        padding-left: 100%;
        animation: scroll-notice 30s linear infinite;
    }

    @keyframes scroll-notice {
        0% { transform: translateX(0); }
        100% { transform: translateX(-100%); }
    }

    .notice-bar .coin-logo {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .notice-bar .coin-logo img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .notice-bar .price-info {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 16px;
        font-weight: 600;
        flex-shrink: 0;
    }

    .notice-bar .price-info .price-value {
        color: #ff4444;
    }

    .notice-bar .price-info .arrow {
        font-size: 12px;
    }

    .notice-bar .price-info .arrow.down {
        color: #ff4444;
    }

    .notice-bar .price-info .arrow.up {
        color: #00cc66;
    }

    /* SNS Buttons in Notice Bar */
    .notice-bar .sns-buttons {
        display: flex;
        gap: 8px;
        align-items: center;
        margin-left: auto;
    }

    .notice-bar .sns-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 36px;
        padding: 6px 14px;
        border-radius: 6px;
        transition: opacity 0.3s, transform 0.3s;
    }

    .notice-bar .sns-btn:hover {
        transform: translateY(-2px);
    }

    .notice-bar .sns-btn.youtube {
        background-color: #ff0209;
    }

    .notice-bar .sns-btn.telegram {
        background-color: #00b0f2;
    }

    .notice-bar .sns-btn.saino {
        background: linear-gradient(135deg, #8B2D9B 0%, #6B1D7B 100%);
    }

    .notice-bar .sns-btn img {
        width: 18px;
        height: 18px;
        object-fit: contain;
    }

    .notice-bar .sns-btn span {
        margin-left: 8px;
        font-size: 12px;
        color: #fff;
        white-space: nowrap;
        font-weight: 500;
    }
}

@media screen and (min-width: 1280px) {
    .notice-bar {
        padding: 0 60px;
    }
}

/* Notice bar wrapper for full-width background */
.notice-bar-wrapper {
    display: none;
}

@media screen and (min-width: 768px) {
    .notice-bar-wrapper {
        display: block;
        width: 100%;
        background: #ffffff;
    }
}

/* ===================================
   Color Indicator Bar (PC Only)
   색상 인디케이터 바 - PC 전용
   =================================== */
.color-bar {
    display: none;
}

@media screen and (min-width: 768px) {
    .color-bar {
        display: flex;
        width: 100%;
        height: 48px;
        overflow: hidden;
    }

    .color-bar .color-section {
        flex: 1;
        height: 100%;
    }

    .color-bar .color-section:nth-child(1) { background: #1a1a2e; }
    .color-bar .color-section:nth-child(2) { background: #ff4444; }
    .color-bar .color-section:nth-child(3) { background: #44ff44; }
    .color-bar .color-section:nth-child(4) { background: #4444ff; }
    .color-bar .color-section:nth-child(5) { background: #ffff44; }
    .color-bar .color-section:nth-child(6) { background: #ff44ff; }
}

/* ===================================
   Hero Section (Main Visual)
   히어로 섹션 - 메인 비주얼
   =================================== */
.hero-section {
    padding: 40px 0;
    position: relative;
}

.hero-section-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 16px;
}

.hero-content {
    margin-bottom: 30px;
    position: relative;
}

/* Hero Equalizer Background - 히어로 영역 이퀄라이저 배경 */
.hero-equalizer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    gap: 6px;
    align-items: flex-end;
    height: 120px;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.hero-equalizer .eq-bar {
    flex: 1;
    background: linear-gradient(to top, #00ff88, #00ccff);
    border-radius: 2px;
    animation: hero-eq-pulse 1.2s ease-in-out infinite;
}

.hero-equalizer .eq-bar:nth-child(1) { animation-delay: 0s; height: 25%; }
.hero-equalizer .eq-bar:nth-child(2) { animation-delay: 0.1s; height: 45%; }
.hero-equalizer .eq-bar:nth-child(3) { animation-delay: 0.15s; height: 65%; }
.hero-equalizer .eq-bar:nth-child(4) { animation-delay: 0.2s; height: 40%; }
.hero-equalizer .eq-bar:nth-child(5) { animation-delay: 0.25s; height: 55%; }
.hero-equalizer .eq-bar:nth-child(6) { animation-delay: 0.3s; height: 75%; }
.hero-equalizer .eq-bar:nth-child(7) { animation-delay: 0.35s; height: 50%; }
.hero-equalizer .eq-bar:nth-child(8) { animation-delay: 0.4s; height: 35%; }
.hero-equalizer .eq-bar:nth-child(9) { animation-delay: 0.45s; height: 60%; }
.hero-equalizer .eq-bar:nth-child(10) { animation-delay: 0.5s; height: 30%; }
.hero-equalizer .eq-bar:nth-child(11) { animation-delay: 0.55s; height: 70%; }
.hero-equalizer .eq-bar:nth-child(12) { animation-delay: 0.6s; height: 45%; }
.hero-equalizer .eq-bar:nth-child(13) { animation-delay: 0.65s; height: 55%; }
.hero-equalizer .eq-bar:nth-child(14) { animation-delay: 0.7s; height: 40%; }
.hero-equalizer .eq-bar:nth-child(15) { animation-delay: 0.75s; height: 65%; }
.hero-equalizer .eq-bar:nth-child(16) { animation-delay: 0.8s; height: 35%; }
.hero-equalizer .eq-bar:nth-child(17) { animation-delay: 0.85s; height: 50%; }
.hero-equalizer .eq-bar:nth-child(18) { animation-delay: 0.9s; height: 60%; }
.hero-equalizer .eq-bar:nth-child(19) { animation-delay: 0.95s; height: 25%; }
.hero-equalizer .eq-bar:nth-child(20) { animation-delay: 1s; height: 45%; }

@keyframes hero-eq-pulse {
    0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
    50% { transform: scaleY(1); opacity: 0.8; }
}

.hero-content .hero-title,
.hero-content .hero-description {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00ff88, #00ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.hero-description {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

/* Hero Video Area */
.hero-media {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 136, 0.4);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.1);
}

.hero-media iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

.hero-media .video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.hero-media .video-placeholder img {
    width: 80%;
    height: auto;
    object-fit: contain;
}

.hero-media .video-placeholder p {
    margin: 0;
    padding: 20px;
    text-align: center;
}

/* 유튜브 채널 링크 플레이스홀더 */
.hero-media .video-placeholder-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(20, 20, 40, 0.95) 0%, rgba(10, 10, 30, 0.98) 100%);
}

.hero-media .video-placeholder-link .youtube-channel-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 30px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 0, 0, 0.3);
    border-radius: 16px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
}

.hero-media .video-placeholder-link .youtube-channel-btn:hover {
    background: rgba(255, 0, 0, 0.1);
    border-color: rgba(255, 0, 0, 0.5);
    transform: scale(1.05);
}

.hero-media .video-placeholder-link .youtube-channel-btn svg {
    filter: drop-shadow(0 0 10px rgba(255, 0, 0, 0.5));
}

.hero-media .video-placeholder-link .youtube-channel-btn span {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero-media .play-button {
    position: relative;
    z-index: 2;
    width: 72px;
    height: 72px;
    background: rgba(0, 255, 136, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.hero-media .play-button:hover {
    background: #00ff88;
    transform: scale(1.1);
    box-shadow: 0 0 50px rgba(0, 255, 136, 0.7);
}

.hero-media .play-button .play-icon {
    width: 0;
    height: 0;
    border-left: 24px solid #000;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    margin-left: 6px;
}

/* Hero Section - PC Styles */
@media screen and (min-width: 768px) {
    .hero-section {
        padding: 80px 0;
        min-height: 600px;
    }

    .hero-section-inner {
        padding: 0 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 60px;
    }

    .hero-content {
        max-width: 50%;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .hero-equalizer {
        height: 180px;
        gap: 8px;
        bottom: -40px;
    }

    .hero-title {
        font-size: 56px;
    }

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

    .hero-media {
        width: 50%;
        max-width: 800px;
        aspect-ratio: 16/9;
        border-radius: 10px;
        border-width: 1px;
    }

    .hero-media iframe {
        border-radius: 10px;
    }

    .hero-media .play-button {
        width: 100px;
        height: 100px;
    }

    .hero-media .play-button .play-icon {
        border-left-width: 32px;
        border-top-width: 18px;
        border-bottom-width: 18px;
        margin-left: 8px;
    }
}

@media screen and (min-width: 1280px) {
    .hero-section {
        padding: 100px 0;
    }

    .hero-section-inner {
        padding: 0 60px;
    }

    .hero-equalizer {
        height: 220px;
        gap: 10px;
        bottom: -60px;
    }

    .hero-title {
        font-size: 64px;
    }

    .hero-description {
        font-size: 17px;
    }
}

/* ===================================
   Video Grid Section - 2단 (3개) 동영상 영역
   비디오 그리드 섹션 (가로형 3개 + 네온 테두리)
   =================================== */
.video-section {
    padding: 40px 0;
    padding-bottom: 60px;
    position: relative;
    z-index: 1;
    overflow: visible;
}

.video-section-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 16px;
}

.video-section .section-header {
    margin-bottom: 30px;
}

.video-section .section-title {
    font-size: 24px;
}

/* Video Grid Wrapper with Neon Border - 전체 감싸는 네온 테두리 박스 */
.video-grid-wrapper {
    position: relative;
    background: linear-gradient(180deg, rgba(10, 20, 40, 0.6) 0%, rgba(5, 10, 20, 0.8) 100%);
    border-radius: 12px;
    padding: 20px;
}

/* Wrapper Neon Border Effect */
.video-grid-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, #00ff88, #00ccff, #8800ff, #ff00ff, #00ff88);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Video Grid - Mobile (vertical stack) */
.video-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.video-card {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, rgba(20, 40, 60, 0.8), rgba(10, 20, 30, 0.9));
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

/* Neon Border Effect - 각 비디오 카드 테두리 */
.video-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 8px;
    padding: 1px;
    background: linear-gradient(135deg, #00ff88, #00ccff, #8800ff, #00ff88);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: border-glow 3s linear infinite;
}

@keyframes border-glow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.video-card:hover {
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.4);
}

.video-card:hover::before {
    animation: none;
    opacity: 1;
}

.video-card iframe {
    position: absolute;
    top: 1px;
    left: 1px;
    width: calc(100% - 2px);
    height: calc(100% - 2px);
    border: none;
    border-radius: 7px;
    z-index: 1;
}

.video-card .video-frame {
    position: absolute;
    top: 1px;
    left: 1px;
    right: 1px;
    bottom: 1px;
    border-radius: 7px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(30, 50, 70, 0.9), rgba(20, 30, 40, 0.95));
}

.video-card .video-thumbnail {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.video-card .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    width: 56px;
    height: 56px;
    background: rgba(0, 255, 136, 0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.video-card:hover .play-button {
    background: #00ff88;
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 40px rgba(0, 255, 136, 0.6);
}

.video-card .play-button .play-icon {
    width: 0;
    height: 0;
    border-left: 18px solid #000;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    margin-left: 4px;
}

/* Video Section - PC Styles */
@media screen and (min-width: 768px) {
    .video-section {
        padding: 80px 0;
    }

    .video-section-inner {
        padding: 0 40px;
    }

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

    .video-grid-wrapper {
        border-radius: 16px;
        padding: 30px;
    }

    .video-grid-wrapper::before {
        border-radius: 16px;
    }

    .video-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        overflow-x: visible;
    }

    .video-card {
        flex: none;
        width: 100%;
        aspect-ratio: 16/9;
        border-radius: 10px;
    }

    .video-card::before {
        border-radius: 10px;
        padding: 1px;
    }

    .video-card iframe {
        border-radius: 9px;
    }

    .video-card .video-frame {
        top: 1px;
        left: 1px;
        right: 1px;
        bottom: 1px;
        border-radius: 9px;
    }

    .video-card .play-button {
        width: 72px;
        height: 72px;
    }

    .video-card .play-button .play-icon {
        border-left-width: 22px;
        border-top-width: 13px;
        border-bottom-width: 13px;
        margin-left: 5px;
    }
}

@media screen and (min-width: 1280px) {
    .video-section {
        padding: 100px 0;
    }

    .video-section-inner {
        padding: 0 60px;
    }

    .video-section .section-title {
        font-size: 42px;
    }

    .video-grid-wrapper {
        border-radius: 20px;
        padding: 40px;
    }

    .video-grid-wrapper::before {
        border-radius: 20px;
    }

    .video-grid {
        gap: 40px;
    }
}

/* ===================================
   Video Carousel Section - 3단 동영상 슬라이드
   비디오 캐러셀 섹션 (세로형 5개 슬라이드)
   =================================== */
.video-carousel-section {
    padding: 40px 0;
    padding-top: 50px;
    overflow: visible;
    position: relative;
    z-index: 10;
}

.video-carousel {
    display: flex;
    gap: 16px;
    padding: 20px 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.video-carousel::-webkit-scrollbar {
    display: none;
}

.video-card.vertical {
    flex: 0 0 180px;
    aspect-ratio: 9/16;
    border-radius: 8px;
    scroll-snap-align: start;
}

.video-card.vertical .video-frame {
    border-radius: 7px;
}

/* Placeholder backgrounds for vertical cards */
.video-card.vertical .video-thumbnail.concert {
    background: linear-gradient(180deg, #1a1a3e 0%, #2a1a4e 100%);
}

.video-card.vertical .video-thumbnail.vinyl {
    background: linear-gradient(180deg, #3a2a1a 0%, #2a1a0a 100%);
}

.video-card.vertical .video-thumbnail.crowd {
    background: linear-gradient(180deg, #1a2a3a 0%, #0a1a2a 100%);
}

.video-card.vertical .video-thumbnail.stage {
    background: linear-gradient(180deg, #2a3a1a 0%, #1a2a0a 100%);
}

.video-card.vertical .video-thumbnail.neon {
    background: linear-gradient(180deg, #3a1a3a 0%, #2a0a2a 100%);
}

.video-card.vertical .video-thumbnail.music {
    background: linear-gradient(180deg, #1a3a2a 0%, #0a2a1a 100%);
}

.video-card.vertical .play-button {
    width: 48px;
    height: 48px;
}

.video-card.vertical .play-button .play-icon {
    border-left-width: 14px;
    border-top-width: 8px;
    border-bottom-width: 8px;
    margin-left: 3px;
}

/* Video Carousel - PC Styles */
@media screen and (min-width: 768px) {
    .video-carousel-section {
        padding: 60px 0;
    }

    .video-carousel {
        gap: 24px;
        padding: 0 40px;
        justify-content: center;
    }

    .video-card.vertical {
        flex: 0 0 200px;
        aspect-ratio: 9/16;
        border-radius: 10px;
    }

    .video-card.vertical .video-frame {
        border-radius: 9px;
    }

    .video-card.vertical .play-button {
        width: 56px;
        height: 56px;
    }
}

@media screen and (min-width: 1280px) {
    .video-carousel {
        gap: 30px;
        padding: 0 80px;
    }

    .video-card.vertical {
        flex: 0 0 220px;
        aspect-ratio: 9/16;
    }
}

/* ===================================
   Service Section
   서비스 안내 섹션
   =================================== */
.service-section {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.service-section-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.service-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    pointer-events: none;
}

.service-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.service-card {
    background: linear-gradient(135deg, rgba(20, 40, 60, 0.6), rgba(10, 20, 30, 0.8));
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.service-card:hover {
    border-color: rgba(0, 255, 136, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.15);
}

.service-icon-wrapper {
    flex-shrink: 0;
}

.service-card .service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 204, 255, 0.1));
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.service-card .service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-content {
    flex: 1;
}

.service-card .service-category {
    font-size: 13px;
    color: #00ff88;
    margin-bottom: 12px;
    font-weight: 600;
}

.service-card .service-list {
    list-style: none;
}

.service-card .service-list li {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
    padding-left: 16px;
    position: relative;
    margin-bottom: 8px;
}

.service-card .service-list li::before {
    content: '-';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.4);
}

.service-card .service-list li:last-child {
    margin-bottom: 0;
}

/* Service Section - PC Styles */
@media screen and (min-width: 768px) {
    .service-section {
        padding: 100px 0;
    }

    .service-section-inner {
        padding: 0 40px;
    }

    .service-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .service-card {
        padding: 30px;
        border-radius: 20px;
    }

    .service-card .service-icon {
        width: 70px;
        height: 70px;
        padding: 14px;
    }

    .service-card .service-category {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .service-card .service-list li {
        font-size: 14px;
        margin-bottom: 10px;
    }
}

@media screen and (min-width: 1024px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
    }
}

@media screen and (min-width: 1280px) {
    .service-section {
        padding: 120px 0;
    }

    .service-section-inner {
        padding: 0 60px;
    }

    .service-card {
        padding: 36px;
    }

    .service-card .service-icon {
        width: 80px;
        height: 80px;
        padding: 16px;
    }

    .service-card .service-category {
        font-size: 15px;
    }

    .service-card .service-list li {
        font-size: 15px;
    }
}

/* ===================================
   Roadmap Section
   로드맵 섹션
   =================================== */
.roadmap-section {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
    min-height: 600px;
}

.roadmap-section-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

/* Earth Background */
.earth-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    pointer-events: none;
    z-index: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.earth-background img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.15;
}

.roadmap-container {
    position: relative;
}

.roadmap-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.roadmap-item {
    background: linear-gradient(135deg, rgba(0, 40, 60, 0.7), rgba(0, 20, 40, 0.8));
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s;
    display: flex;
    gap: 16px;
    align-items: center;
}

.roadmap-item:hover {
    border-color: rgba(0, 255, 136, 0.6);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.15);
}

.roadmap-item .roadmap-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.roadmap-item .roadmap-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.roadmap-item .roadmap-content {
    flex: 1;
}

.roadmap-item .roadmap-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #00ff88, #00ccff);
    border-radius: 50%;
    color: #000;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 8px;
}

.roadmap-item h3 {
    font-size: 16px;
    color: #fff;
    margin-bottom: 4px;
    line-height: 1.4;
}

.roadmap-item p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* Roadmap Section - PC Styles */
@media screen and (min-width: 768px) {
    .roadmap-section {
        padding: 120px 0;
        min-height: 800px;
    }

    .roadmap-section-inner {
        padding: 0 40px;
    }

    .roadmap-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(3, auto);
        gap: 40px;
        max-width: 1200px;
        margin: 0 auto;
    }

    /* Position items in a circular layout around center */
    .roadmap-item.position-1 {
        grid-column: 2;
        grid-row: 1;
    }

    .roadmap-item.position-2 {
        grid-column: 1;
        grid-row: 2;
    }

    .roadmap-item.position-3 {
        grid-column: 2;
        grid-row: 2;
    }

    .roadmap-item.position-4 {
        grid-column: 3;
        grid-row: 2;
    }

    .roadmap-item.position-5 {
        grid-column: 2;
        grid-row: 3;
    }

    .roadmap-item {
        padding: 30px;
        flex-direction: column;
        text-align: center;
        border-radius: 20px;
    }

    .roadmap-item .roadmap-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 16px;
    }

    .roadmap-item .roadmap-number {
        width: 36px;
        height: 36px;
        font-size: 16px;
        margin-bottom: 12px;
    }

    .roadmap-item h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .roadmap-item p {
        font-size: 13px;
    }

    .earth-background {
        width: 120%;
        height: 120%;
    }
}

@media screen and (min-width: 1280px) {
    .roadmap-section {
        padding: 140px 0;
    }

    .roadmap-section-inner {
        padding: 0 60px;
    }

    .roadmap-list {
        gap: 50px;
    }

    .roadmap-item {
        padding: 36px;
    }

    .roadmap-item .roadmap-icon {
        width: 90px;
        height: 90px;
    }

    .roadmap-item h3 {
        font-size: 20px;
    }

    .roadmap-item p {
        font-size: 14px;
    }
}

/* ===================================
   Notice Section
   공지사항 섹션
   =================================== */
.notice-section {
    padding: 60px 0;
}

.notice-section-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 16px;
}

.notice-container {
    max-width: 900px;
    margin: 0 auto;
}

.notice-item {
    background: rgba(20, 30, 40, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.notice-item:hover {
    border-color: rgba(0, 255, 136, 0.3);
}

.notice-item.active {
    border-color: rgba(0, 255, 136, 0.5);
    background: rgba(0, 40, 60, 0.3);
}

.notice-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.notice-question:hover {
    background: rgba(0, 255, 136, 0.05);
}

.notice-date {
    flex-shrink: 0;
    color: #00ff88;
    font-size: 13px;
    font-weight: 400;
}

.notice-title {
    flex: 1;
    line-height: 1.6;
}

.notice-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.notice-icon::before {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid #00ff88;
    border-bottom: 2px solid #00ff88;
    transform: rotate(45deg);
    transition: transform 0.3s;
}

.notice-item.active .notice-icon::before {
    transform: rotate(-135deg);
}

.notice-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.notice-answer-content {
    padding: 0 20px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    max-height: 300px;
    overflow-y: auto;
}

/* 공지사항 내부 스크롤바 스타일 */
.notice-answer-content::-webkit-scrollbar {
    width: 6px;
}

.notice-answer-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.notice-answer-content::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 136, 0.5);
    border-radius: 3px;
}

.notice-answer-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 136, 0.7);
}

.notice-item.active .notice-answer {
    max-height: 350px;
}

/* Notice Section - PC Styles */
@media screen and (min-width: 768px) {
    .notice-section {
        padding: 100px 0;
    }

    .notice-section-inner {
        padding: 0 40px;
    }

    .notice-item {
        margin-bottom: 16px;
        border-radius: 16px;
    }

    .notice-question {
        padding: 28px 32px;
        font-size: 16px;
    }

    .notice-date {
        font-size: 14px;
    }

    .notice-icon {
        width: 24px;
        height: 24px;
    }

    .notice-icon::before {
        width: 12px;
        height: 12px;
    }

    .notice-answer-content {
        padding: 0 32px 28px;
        font-size: 15px;
    }
}

@media screen and (min-width: 1280px) {
    .notice-section {
        padding: 120px 0;
    }

    .notice-section-inner {
        padding: 0 60px;
    }

    .notice-question {
        padding: 32px 40px;
        font-size: 17px;
    }

    .notice-date {
        font-size: 15px;
    }

    .notice-answer-content {
        padding: 0 40px 32px;
        font-size: 16px;
    }
}

/* ===================================
   FAQ Section
   FAQ 섹션
   =================================== */
.faq-section {
    padding: 60px 0;
}

.faq-section-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 16px;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(20, 30, 40, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(0, 255, 136, 0.3);
}

.faq-item.active {
    border-color: rgba(0, 255, 136, 0.5);
    background: rgba(0, 40, 60, 0.3);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.faq-question:hover {
    background: rgba(0, 255, 136, 0.05);
}

.faq-question span {
    flex: 1;
    line-height: 1.6;
}

.faq-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
    margin-top: 2px;
}

.faq-icon::before {
    content: '';
    width: 10px;
    height: 10px;
    border-right: 2px solid #00ff88;
    border-bottom: 2px solid #00ff88;
    transform: rotate(45deg);
    transition: transform 0.3s;
}

.faq-item.active .faq-icon::before {
    transform: rotate(-135deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer-content {
    padding: 0 20px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    max-height: 300px;
    overflow-y: auto;
}

/* FAQ 내부 스크롤바 스타일 */
.faq-answer-content::-webkit-scrollbar {
    width: 6px;
}

.faq-answer-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.faq-answer-content::-webkit-scrollbar-thumb {
    background: rgba(0, 255, 136, 0.5);
    border-radius: 3px;
}

.faq-answer-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 255, 136, 0.7);
}

.faq-item.active .faq-answer {
    max-height: 350px;
}

/* FAQ Section - PC Styles */
@media screen and (min-width: 768px) {
    .faq-section {
        padding: 100px 0;
    }

    .faq-section-inner {
        padding: 0 40px;
    }

    .faq-item {
        margin-bottom: 16px;
        border-radius: 16px;
    }

    .faq-question {
        padding: 28px 32px;
        font-size: 16px;
    }

    .faq-icon {
        width: 24px;
        height: 24px;
    }

    .faq-icon::before {
        width: 12px;
        height: 12px;
    }

    .faq-answer-content {
        padding: 0 32px 28px;
        font-size: 15px;
    }
}

@media screen and (min-width: 1280px) {
    .faq-section {
        padding: 120px 0;
    }

    .faq-section-inner {
        padding: 0 60px;
    }

    .faq-question {
        padding: 32px 40px;
        font-size: 17px;
    }

    .faq-answer-content {
        padding: 0 40px 32px;
        font-size: 16px;
    }
}

/* ===================================
   Video Thumbnail Card Styles
   비디오 썸네일 카드 스타일
   =================================== */
.video-thumbnail-card {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.video-thumbnail-card .video-thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-thumbnail-card:hover .video-thumbnail-img {
    transform: scale(1.05);
}

.video-thumbnail-card .video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 68px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.video-thumbnail-card .video-play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #ffffff;
    margin-left: 4px;
}

.video-thumbnail-card:hover .video-play-btn {
    background: rgba(255, 0, 0, 0.9);
    transform: translate(-50%, -50%) scale(1.1);
}

/* 세로형 쇼츠 카드 플레이 버튼 크기 조정 */
.video-card.vertical.video-thumbnail-card .video-play-btn {
    width: 56px;
    height: 56px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.video-card.vertical.video-thumbnail-card:hover .video-play-btn {
    opacity: 1;
}

.video-card.vertical.video-thumbnail-card .video-play-btn::after {
    border-width: 10px 0 10px 16px;
}

/* 반응형 조정 */
@media screen and (max-width: 767px) {
    .video-thumbnail-card .video-play-btn {
        width: 50px;
        height: 50px;
    }

    .video-thumbnail-card .video-play-btn::after {
        border-width: 8px 0 8px 14px;
    }

    .video-card.vertical.video-thumbnail-card .video-play-btn {
        width: 44px;
        height: 44px;
    }

    .video-card.vertical.video-thumbnail-card .video-play-btn::after {
        border-width: 7px 0 7px 12px;
    }
}

/* ===================================
   Banner Slider Styles
   배너 슬라이더 스타일 - 무한 루프
   =================================== */
.banner-slider-section {
    width: 100%;
    overflow: hidden;
    background: #000000;
    padding: 4px 0;
}

.banner-slider-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.banner-slider-track {
    display: flex;
    gap: 4px;
    animation: bannerScroll 30s linear infinite;
    width: fit-content;
}

.banner-slider-track:hover {
    animation-play-state: paused;
}

.banner-slider-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-slider-item a {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.banner-slider-item a:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.banner-slider-item img {
    height: 40px;
    width: auto;
    object-fit: contain;
    filter: brightness(1);
    transition: filter 0.3s ease;
}

.banner-slider-item:hover img {
    filter: brightness(1.2);
}

@keyframes bannerScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-33.333%);
    }
}

/* 반응형 */
@media screen and (max-width: 767px) {
    .banner-slider-track {
        animation-duration: 20s;
    }
}

/* ===================================
   Load More Button
   더보기 버튼 스타일
   =================================== */
.load-more-wrapper {
    display: flex;
    justify-content: center;
    padding: 20px 0;
    margin-top: 10px;
}

.load-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 204, 255, 0.1) 100%);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 30px;
    color: #00ff88;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.load-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.2), transparent);
    transition: left 0.5s ease;
}

.load-more-btn:hover {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.2) 0%, rgba(0, 204, 255, 0.2) 100%);
    border-color: rgba(0, 255, 136, 0.5);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    transform: translateY(-2px);
}

.load-more-btn:hover::before {
    left: 100%;
}

.load-more-btn:active {
    transform: translateY(0);
}

.load-more-btn svg {
    transition: transform 0.3s ease;
}

.load-more-btn:hover svg {
    transform: translateY(3px);
}

.load-more-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.load-more-btn.loading svg {
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* 반응형 더보기 버튼 */
@media screen and (max-width: 767px) {
    .load-more-wrapper {
        padding: 15px 0;
    }

    .load-more-btn {
        padding: 10px 24px;
        font-size: 13px;
    }
}