/* PP Neue Montreal Font Faces */
@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;
}

@font-face {
    font-family: "PP Neue Montreal";
    src: url("../assets/fonts/PPNeueMontrealOTF/PPNeueMontreal-Bold.otf")
        format("opentype");
    font-weight: 700;
    font-style: normal;
}

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

/* CSS Custom Properties */
:root {
    --color-bg: #f8f8f6;
    --color-text: #1a1a1a;
    --color-text-secondary: #6b6b6b;
    --color-accent: #2d5a6b;
    --color-accent-light: #4a8a9e;
    --color-border: #e0e0de;

    --font-family:
        "PP Neue Montreal", -apple-system, BlinkMacSystemFont, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    --max-width: 1200px;
    --max-width-narrow: 800px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0d0d0d;
        --color-text: #e8e8e6;
        --color-text-secondary: #8a8a8a;
        --color-accent: #5a9bb0;
        --color-accent-light: #7bbcd0;
        --color-border: #2a2a2a;
    }
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base Styles */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (max-width: 900px) {
    html {
        font-size: 12px;
    }
}

body {
    font-family: var(--font-family);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

/* Typography */
h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.3;
}

p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.text-thin {
    font-weight: 100;
}

.text-small {
    font-size: 0.875rem;
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
}

/* Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

/* Navigation */
.nav {
    padding: var(--space-md) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-bg);
    z-index: 100;
}

.nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.nav__links {
    display: flex;
    gap: var(--space-md);
}

.nav__link {
    font-weight: 400;
    font-size: 0.875rem;
    text-decoration: none;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
}

.nav__link:hover {
    color: var(--color-text);
}

.nav__link--active {
    color: var(--color-text);
}

/* Hero Section - Landing Page */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
    max-width: var(--max-width);
    width: 100%;
}

.license__description {
    margin-top: 2rem;
    font-style: italic;
    color: var(--color-accent);
}

.license_cta {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.hero__figure {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__artwork {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    object-fit: cover;
}

.artwork-credit {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
    font-weight: 100;
}

.hero__info {
    max-width: 480px;
}

.hero__artist {
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
}

.hero__title {
    margin-bottom: var(--space-md);
}

.hero__description {
    margin-bottom: var(--space-md);
}

.hero__cta {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-text);
    color: var(--color-bg);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: opacity 0.2s ease;
}

.hero__cta:hover {
    opacity: 0.8;
}

.hero__buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero__cta--secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
}

.hero__cta--secondary:hover {
    background: var(--color-text);
    color: var(--color-bg);
    opacity: 1;
}

/* Listen Page */
.listen {
    min-height: 100vh;
    padding: calc(var(--space-xl)) var(--space-md) calc(var(--space-lg) + 100px);
}

.composition {
    margin-top: --space-md;
}

.listen__content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.listen__sidebar {
    position: sticky;
    top: calc(60px + var(--space-md));
    height: fit-content;
}

.listen__figure {
    margin-bottom: var(--space-md);
}

.listen__figure .artwork-credit {
    margin-top: 0.25rem;
}

.listen__artwork {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.listen__album-info {
    margin-bottom: var(--space-md);
}

.listen__artist {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.listen__title {
    font-size: 1.25rem;
    font-weight: 500;
}

.listen__download {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-text);
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: all 0.2s ease;
    text-align: center;
    width: 100%;
}

.listen__download + .listen__download {
    margin-top: var(--space-sm);
}

.listen__download:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* Audio Player */
.player {
    background: transparent;
}

.player__track-list {
    list-style: none;
    margin-bottom: var(--space-md);
}

.player__track {
    display: flex;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.2s ease;
}

.player__track:hover {
    background: rgba(0, 0, 0, 0.02);
}

.player__track.is-active {
    background: rgba(0, 0, 0, 0.03);
}

.player__track-number {
    width: 40px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 100;
}

.player__track-title {
    flex: 1;
    font-size: 1rem;
    font-weight: 400;
}

.player__track-duration {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 100;
}

.player__track.is-active .player__track-number {
    color: var(--color-accent);
}

.player__track.is-active .player__track-title {
    font-weight: 500;
}

/* Player Controls */
.player__controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
}

.player__controls-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 200px 1fr 100px;
    gap: var(--space-md);
    align-items: center;
}

.player__now-playing {
    display: flex;
    flex-direction: column;
}

.player__current-track {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player__current-artist {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.player__main-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.player__buttons {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.player__btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--color-text);
    transition: opacity 0.2s ease;
}

.player__btn:hover {
    opacity: 0.7;
}

.player__btn--play {
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.player__btn svg {
    width: 20px;
    height: 20px;
}

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

.player__progress-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    max-width: 500px;
}

.player__time {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-weight: 100;
    min-width: 40px;
}

.player__time--current {
    text-align: right;
}

.player__progress {
    flex: 1;
    height: 4px;
    padding: 20px 0;
    box-sizing: content-box;
    background-color: var(--color-border);
    background-clip: content-box;
    cursor: pointer;
    position: relative;
}

.player__progress-bar {
    height: 100%;
    background: var(--color-text);
    width: 0%;
    position: relative;
}

.player__progress-bar::after {
    content: "";
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-text);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.player__progress:hover .player__progress-bar::after {
    opacity: 1;
}

.player__volume {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.player__volume-slider {
    width: 80px;
    height: 4px;
    background: var(--color-border);
    cursor: pointer;
    position: relative;
}

.player__volume-bar {
    height: 100%;
    background: var(--color-text);
    width: 100%;
}

/* Responsive */
@media (max-width: 900px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
    }

    .hero__artwork {
        max-width: 400px;
    }

    .hero__info {
        max-width: 100%;
    }

    .listen__content {
        grid-template-columns: 1fr;
    }

    .listen__sidebar {
        position: static;
        display: grid;
        grid-template-columns: 200px 1fr;
        gap: var(--space-md);
        align-items: start;
    }

    .listen__figure {
        margin-bottom: 0;
    }

    .player__controls-inner {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .player__now-playing {
        display: none;
    }

    .player__volume {
        display: none;
    }
}

@media (max-width: 600px) {
    :root {
        --space-md: 1.5rem;
        --space-lg: 2.5rem;
        --space-xl: 4rem;
    }

    .hero {
        padding-top: calc(var(--space-xl) + 60px);
    }

    .hero__artwork {
        max-width: 280px;
    }

    .listen__sidebar {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }

    .player__track-number {
        width: 30px;
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
}

.lightbox__content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.is-open .lightbox__content {
    transform: scale(1);
}

.lightbox__image {
    max-width: 100%;
    max-height: 85vh;
    display: block;
}

.lightbox__caption {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    text-align: center;
    padding-top: var(--space-sm);
}

.lightbox__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    z-index: 1;
}

.lightbox__close:hover {
    opacity: 1;
}

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

/* Clickable artwork */
[data-lightbox] {
    cursor: pointer;
    transition: opacity 0.2s ease;
}

[data-lightbox]:hover {
    opacity: 0.9;
}

/* Utility Classes */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Dark Mode - Component Overrides */
@media (prefers-color-scheme: dark) {
    .player__track:hover {
        background: rgba(255, 255, 255, 0.03);
    }

    .player__track.is-active {
        background: rgba(255, 255, 255, 0.05);
    }
}