/* Introspective — dark field, infrared sky */

:root {
    --ink: #07080a;
    --panel: rgba(8, 9, 12, 0.55);
    --line: rgba(255, 255, 255, 0.22);
    --text: #f4f1ea;
    --muted: rgba(244, 241, 234, 0.62);
    --gold: #c4a35a;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Libre Baskerville", Georgia, serif;
    color: var(--text);
    background-color: #0b0c0e;
    background-image:
        linear-gradient(180deg, rgba(6, 7, 9, 0.100) 0%, rgba(6, 7, 9, 0.72) 55%, rgba(6, 7, 9, 0.84) 100%),
        url("IRs20stm-w.jpg");
    background-size: cover;
    background-position: center 100%;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

.page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 32rem);
    gap: 0;
}

.sky {
    min-height: 40vh;
}

.sheet {
    background: var(--panel);
    backdrop-filter: blur(6px);
    border-left: 1px solid var(--line);
    padding: 3.2rem 2.2rem 3rem;
    min-height: 100vh;
}

.header {
    text-align: left;
    margin-bottom: 2.4rem;
}

.header h1 {
    margin: 0;
    font-family: "Cormorant Garamond", "Palatino Linotype", serif;
    font-weight: 500;
    font-size: clamp(2rem, 4vw, 2.6rem);
    letter-spacing: 0.22em;
    color: #fff;
}

.header p {
    margin: 0.7rem 0 0;
    font-family: "Source Sans 3", "Segoe UI", sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
}

.header::after {
    content: "";
    display: block;
    width: 48px;
    margin-top: 1.1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.45);
}

.track {
    padding: 1.15rem 0 1.25rem;
    border-bottom: 1px solid var(--line);
}

.track:first-of-type {
    border-top: 1px solid var(--line);
}

.track h2 {
    margin: 0;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 1.35rem;
    font-weight: 500;
    color: #fff;
}

.track .when {
    margin: 0.3rem 0 0.75rem;
    font-family: "Source Sans 3", "Segoe UI", sans-serif;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.track audio {
    width: 100%;
    min-height: 36px;
    filter: invert(1) grayscale(1) contrast(0.95);
}

.status {
    color: var(--muted);
    font-style: italic;
}

.back {
    display: inline-block;
    margin-top: 2rem;
    font-family: "Source Sans 3", "Segoe UI", sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid var(--gold);
    padding-bottom: 0.15rem;
}

@media (max-width: 800px) {
    body {
        background-attachment: scroll;
        background-position: left 100% center;
    }

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

    .sky {
        min-height: 28vh;
    }

    .sheet {
        min-height: 0;
        border-left: 0;
        border-top: 1px solid var(--line);
        padding: 2rem 1.25rem 2.4rem;
    }
}