/* Experience Page - Immersive Album Listening */

@font-face {
    font-family: "PP Neue Montreal";
    src: url("../assets/fonts/PPNeueMontrealOTF/PPNeueMontreal-Thin.otf") format("opentype");
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: "PP Neue Montreal";
    src: url("../assets/fonts/PPNeueMontrealOTF/PPNeueMontreal-Book.otf") format("opentype");
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: "PP Neue Montreal";
    src: url("../assets/fonts/PPNeueMontrealOTF/PPNeueMontreal-Medium.otf") format("opentype");
    font-weight: 500;
    font-style: normal;
}

:root {
    --font-family: "PP Neue Montreal", -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-slow: 8s;
    --transition-ui: 0.4s;
}

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

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-family);
    background: #000;
    color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Main container */
.experience {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* Background layers */
.experience__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity var(--transition-slow) ease-in-out;
    transform: scale(1.05);
    animation: subtle-zoom 30s ease-in-out infinite alternate;
}

.experience__bg--active {
    opacity: 1;
}

@keyframes subtle-zoom {
    0% {
        transform: scale(1.0);
    }
    100% {
        transform: scale(1.08);
    }
}

/* Vignette overlay */
.experience__vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
}

/* UI Layer */
.experience__ui {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-ui) ease;
    z-index: 10;
}

.experience__ui.is-visible {
    opacity: 1;
}

.experience__ui.is-started .experience__start {
    display: none;
}

/* Header */
.experience__header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.experience__license {
    position: absolute;
    left: 0;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.experience__license:hover {
    opacity: 1;
}

.experience__album {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.7;
}

/* Start button */
.experience__start {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.experience__start:hover {
    opacity: 0.8;
}

.experience__start svg {
    width: 80px;
    height: 80px;
    padding: 1.5rem;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 50%;
    transition: border-color 0.3s ease;
}

.experience__start:hover svg {
    border-color: rgba(255,255,255,0.8);
}

.experience__start span {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Footer */
.experience__footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.experience__track-info {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.experience__track-number {
    font-size: 0.875rem;
    font-weight: 100;
    opacity: 0.5;
}

.experience__track-title {
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Progress */
.experience__progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
}

.experience__progress {
    flex: 1;
    height: 2px;
    padding: 20px 0;
    box-sizing: content-box;
    background: rgba(255,255,255,0.2);
    background-clip: content-box;
    cursor: pointer;
    position: relative;
}

.experience__progress-bar {
    height: 100%;
    background: rgba(255,255,255,0.8);
    width: 0%;
    transition: width 0.1s linear;
}

.experience__time {
    font-size: 0.75rem;
    font-weight: 100;
    opacity: 0.6;
    min-width: 90px;
    text-align: right;
}

.experience__time-sep {
    margin: 0 0.25rem;
}

/* Controls */
.experience__controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.experience__btn {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 0.5rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.experience__btn:hover {
    opacity: 1;
}

.experience__btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

.experience__btn--play {
    width: 56px;
    height: 56px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.experience__btn--play:hover {
    border-color: rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.1);
}

.experience__btn--play svg {
    width: 18px;
    height: 18px;
    margin-left: 2px;
}

/* Exit button */
.experience__exit {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0.5;
    transition: opacity 0.2s ease;
    text-decoration: none;
}

.experience__exit:hover {
    opacity: 1;
}

.experience__exit svg {
    width: 24px;
    height: 24px;
}

/* Responsive */
@media (max-width: 600px) {
    .experience__ui {
        padding: 1.5rem;
    }

    .experience__track-title {
        font-size: 1.25rem;
    }

    .experience__start svg {
        width: 60px;
        height: 60px;
    }

    .experience__progress-container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .experience__progress {
        width: 100%;
    }

    .experience__time {
        text-align: center;
    }
}

/* Cursor hide when idle */
.experience.is-idle {
    cursor: none;
}

.experience.is-idle .experience__ui {
    opacity: 0;
    pointer-events: none;
}