/* Home Section - Intro Screen */
.intro {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    z-index: 9999;
    overflow: hidden;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.intro.fade-out {
    opacity: 0;
    transform: scale(1.05);
    pointer-events: none;
}

.intro.hidden {
    display: none;
}

.intro__tunnel {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 700px;
    perspective-origin: 50% 50%;
}

.intro__videos {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.intro__video-item {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 420px;
    height: 236px;
    margin-left: -210px;
    margin-top: -118px;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 10px 60px rgba(0, 0, 0, 0.8);
    transform-style: preserve-3d;
    backface-visibility: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.intro__video-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: loading-shine 1.5s infinite;
}

@keyframes loading-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.intro__video-item iframe {
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
}

.intro__center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.intro__logo {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #fff;
    opacity: 0.9;
}

.intro__hint {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #fff;
    opacity: 0.5;
    animation: pulse 2s ease-in-out infinite;
}

.intro__loader {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.1);
    border-top-color: rgba(255,255,255,0.8);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.intro.loaded .intro__loader {
    display: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

/* Home Slider */
.home-slide {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    margin: 0;
    padding: 0;
    z-index: 1;
}

.slide-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s cubic-bezier(0.19, 1, 0.22, 1);
}

.slide.active {
    opacity: 1;
    pointer-events: all;
}

.slide__media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.slide__bg {
    width: 100%;
    height: 100%;
    transform: scale(1.25);
    transition: transform 10s cubic-bezier(0.19, 1, 0.22, 1);
}

.slide.active .slide__bg {
    transform: scale(1);
}

#vimeoWrap{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
}

#vimeoWrap iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 177.77777778vh;
    height: 56.25vw;
    min-height: 100%;
    min-width: 100%;
    transform: translate(-50%, -50%);
    border: none;
    pointer-events: none;
}

.slide__video {
    border: none;
    pointer-events: none;
}

.slide__content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
}

.slide__number {
    display: block;
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
    opacity: 0.5;
}

.slide__title {
    font-size: clamp(6rem, 12.8rem, 15vw);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.slide__subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.7;
}

/* Title Slider - Vertical Stacked Titles */
.title-slider {
    position: absolute;
    left: var(--margin);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    z-index: 10;
    overflow: hidden;
    padding: 2rem 0;
    mix-blend-mode: difference;
}

.title-slider__item {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                font-size 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.title-slider__item--prev,
.title-slider__item--next {
    font-size: clamp(1.4rem, 2vw, 1.8rem);
    color: rgba(255, 255, 255, 0.4);
}

.title-slider__item--prev {
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,1) 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,1) 100%);
}

.title-slider__item--next {
    -webkit-mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,1) 100%);
    mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,1) 100%);
}

.title-slider__item--prev:hover,
.title-slider__item--next:hover {
    color: rgba(255, 255, 255, 0.6);
}

.title-slider__item--current {
    opacity: 1;
    font-size: clamp(2.4rem, 4vw, 4rem);
    color: #fff;
}

/* Slide animation - going down (next slide) */
.title-slider--slide-up .title-slider__item--prev {
    animation: slideUpFade 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}
.title-slider--slide-up .title-slider__item--current {
    animation: slideUpMain 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}
.title-slider--slide-up .title-slider__item--next {
    animation: slideUpFade 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}

@keyframes slideUpMain {
    0% {
        transform: translateY(2rem);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideUpFade {
    0% {
        transform: translateY(1.5rem);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Slide animation - going up (prev slide) */
.title-slider--slide-down .title-slider__item--prev {
    animation: slideDownFade 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}
.title-slider--slide-down .title-slider__item--current {
    animation: slideDownMain 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}
.title-slider--slide-down .title-slider__item--next {
    animation: slideDownFade 0.5s cubic-bezier(0.33, 1, 0.68, 1);
}

@keyframes slideDownMain {
    0% {
        transform: translateY(-2rem);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDownFade {
    0% {
        transform: translateY(-1.5rem);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.title-slider__name {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.title-slider__separator {
    font-weight: 400;
    opacity: 0.6;
}

.title-slider__song {
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Thumbnail Selector */
.thumbnail-selector {
    display: flex;
    position: absolute;
    top: 0;
    right: 0;
    flex-direction: column;
    gap: 0.8rem;
    justify-content: center;
    align-items: flex-end;
    height: 100%;
    padding: var(--margin);
    z-index: 10;
}

.slide-thumb-wrapper {
    width: 5rem;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: 0.3rem;
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.4s ease, transform 0.4s ease;
    position: relative;
}

.slide-thumb-wrapper:hover {
    opacity: 0.7;
}

.slide-thumb-wrapper.active {
    opacity: 1;
    transform: scale(1.05);
}

.slide-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: none;
    pointer-events: none;
}

/* Slide Controls */
.slide-controls {
    position: absolute;
    bottom: var(--margin);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 2rem;
    z-index: 10;
}

.slide-controls__btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 1rem;
    transition: opacity 0.3s ease;
    display: none;
    align-items: center;
    justify-content: center;
}

.slide-controls__btn:hover {
    opacity: 0.6;
}

.slide-controls__dots {
    display: flex;
    gap: 2rem;
}

.slide-controls__dot {
    background: none;
    border: 1px solid #fff;
    border-radius: 0.4rem;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    display: table;
    height: 3rem;
    padding-left: 2rem;
    padding-right: 2rem;
    pointer-events: all;
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    white-space: nowrap;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.1em;
}

.slide-controls__dot.active {
    background-color: #fff;
    color: #000;
    border-color: #fff;
}

.slide-controls__dot:hover {
    background-color: #fff;
    color: #000;
    border-color: #fff;
}

/* Fullscreen Video Modal */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.video-modal.active {
    opacity: 1;
    pointer-events: all;
}

.video-modal__header {
    position: absolute;
    top: calc(var(--margin) + 5rem);
    left: var(--margin);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    z-index: 10;
}

.video-modal__top {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.video-modal__title {
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    color: #fff;
}

.video-modal__btn {
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 0.4rem;
    background: rgba(30, 30, 30, 0.9);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 400;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-modal__btn:hover {
    background: rgba(50, 50, 50, 0.9);
}

.video-modal__credits {
    margin-top: 2rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease;
}

.video-modal__credits.active {
    max-height: 20rem;
    opacity: 1;
}

.video-modal__credits p {
    font-size: 1.4rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 0.6rem;
    line-height: 1.4;
}

.video-modal__credits p:last-child {
    margin-bottom: 0;
}

.video-modal__credits a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.video-modal__credits a:hover {
    opacity: 0.6;
}

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

.video-modal__content iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 177.77777778vh;
    height: 56.25vw;
    min-height: 100%;
    min-width: 100%;
    transform: translate(-50%, -50%);
    border: none;
}

.video-modal__close {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 5;
}

/* Home Responsive */
@media (max-width: 768px) {
    .intro__video-item {
        width: 240px;
        height: 135px;
        margin-left: -120px;
        margin-top: -67px;
    }

    .intro__logo {
        font-size: 1.8rem;
    }

    .intro__hint {
        font-size: 1rem;
    }

    .slide__title {
        font-size: 6rem;
    }

    .thumbnail-selector {
        display: none;
    }

    .title-slider {
        gap: 1rem;
    }

    .title-slider__item--current {
        font-size: 2rem;
    }

    .title-slider__item--prev,
    .title-slider__item--next {
        font-size: 1.2rem;
    }
}

@media (max-width: 1024px) {
    .slide-thumb-wrapper {
        width: 4rem;
    }
}

@media (max-width: 480px) {
    .slide__title {
        font-size: 4rem;
    }

    .title-slider {
        gap: 0.8rem;
    }

    .title-slider__item--current {
        font-size: 1.6rem;
    }

    .title-slider__item--prev,
    .title-slider__item--next {
        font-size: 1rem;
    }
}