:root {
    --bn-indigo: #0B1528;
    --bn-indigo-deep: #070E1B;
    --bn-cream: #F3EDE0;
    --bn-kraft: #D8C8AE;
    --bn-vermillion: #E84A27;
    --bn-gold: #D4AF37;
    --bn-ink: #0F1726;
    --bn-font-display: 'Oswald', 'Arial Narrow', sans-serif;
    --bn-font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --bn-font-mono: 'IBM Plex Mono', monospace;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.bn-body {
    margin: 0;
    background-color: var(--bn-indigo);
    color: var(--bn-cream);
    font-family: var(--bn-font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.bn-container {
    width: min(1240px, 100% - 2.5rem);
    margin-inline: auto;
}

/* Header */
.bn-header {
    background: var(--bn-indigo-deep);
    border-bottom: 2px solid rgba(243, 237, 224, 0.2);
    position: sticky;
    top: 0;
    z-index: 40;
}

.bn-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0;
}

.bn-brand-wrap {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.bn-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bn-cream);
    text-decoration: none;
    font-family: var(--bn-font-display);
    font-size: 1.15rem;
    letter-spacing: 0.04em;
}

.bn-brand__cat {
    background: var(--bn-vermillion);
    color: #FFFFFF;
    font-family: var(--bn-font-mono);
    font-size: 0.74rem;
    font-weight: 700;
    padding: 0.12rem 0.45rem;
}

.bn-header__sub {
    font-family: var(--bn-font-mono);
    font-size: 0.75rem;
    color: var(--bn-gold);
    border-left: 1px solid rgba(212, 175, 55, 0.4);
    padding-left: 0.75rem;
}

.bn-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.bn-nav__link {
    color: var(--bn-cream);
    text-decoration: none;
    font-family: var(--bn-font-mono);
    font-size: 0.8rem;
}

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

.bn-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.bn-lang {
    position: relative;
}

.bn-lang__btn {
    background: transparent;
    color: var(--bn-cream);
    border: 1px solid var(--bn-cream);
    padding: 0.35rem 0.65rem;
    font-family: var(--bn-font-mono);
    font-size: 0.78rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.bn-lang__menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: var(--bn-cream);
    color: var(--bn-ink);
    border: 2px solid var(--bn-ink);
    min-width: 190px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 50;
}

.bn-lang__item {
    display: flex;
    justify-content: space-between;
    padding: 0.45rem 0.75rem;
    color: var(--bn-ink);
    text-decoration: none;
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(15, 23, 38, 0.12);
}

.bn-lang__item.is-active,
.bn-lang__item:hover {
    background: var(--bn-gold);
    font-weight: 700;
}

.bn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-family: var(--bn-font-display);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.55rem 1.15rem;
    border: 2px solid var(--bn-ink);
    cursor: pointer;
}

.bn-btn--gold {
    background: var(--bn-gold);
    color: var(--bn-ink);
}

.bn-btn--vermillion {
    background: var(--bn-vermillion);
    color: #FFFFFF;
}

.bn-btn--indigo {
    background: var(--bn-ink);
    color: var(--bn-cream);
}

.bn-btn--lg {
    font-size: 1.05rem;
    padding: 0.8rem 1.5rem;
}

/* SECTION 1: 12-INCH VINYL GATEFOLD */
.bn-gatefold-section {
    padding: 1.5rem 0 3.5rem;
}

.bn-crumbs {
    font-family: var(--bn-font-mono);
    font-size: 0.8rem;
    margin-bottom: 1.25rem;
    display: flex;
    gap: 0.45rem;
    color: var(--bn-gold);
}

.bn-crumbs a {
    color: var(--bn-cream);
}

.bn-gatefold {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
    gap: 1.5rem;
}

.bn-sleeve {
    background: var(--bn-cream);
    color: var(--bn-ink);
    padding: 2.2rem 2.4rem;
    border: 3px solid var(--bn-ink);
    box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.45);
}

.bn-sleeve__top {
    display: flex;
    justify-content: space-between;
    font-family: var(--bn-font-mono);
    font-size: 0.76rem;
    font-weight: 700;
    border-bottom: 3px solid var(--bn-ink);
    padding-bottom: 0.55rem;
    margin-bottom: 1.2rem;
}

.bn-sleeve__cat {
    color: var(--bn-vermillion);
}

.bn-sleeve__title {
    margin: 0 0 1rem;
    font-family: var(--bn-font-display);
    font-size: clamp(2.4rem, 4.8vw, 4.2rem);
    line-height: 0.96;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.bn-gold-price {
    font-style: normal;
    color: #B8860B;
    background: rgba(212, 175, 55, 0.22);
    padding: 0 0.35rem;
    border: 2px solid var(--bn-ink);
}

.bn-sleeve__lead {
    margin: 0 0 1.2rem;
    font-size: 1.02rem;
    color: #222B3A;
}

.bn-sleeve__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.4rem;
}

.bn-tag {
    background: var(--bn-ink);
    color: var(--bn-cream);
    font-family: var(--bn-font-mono);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.25rem 0.65rem;
}

.bn-sleeve__ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

/* Sliding 12-Inch Vinyl Record */
.bn-vinyl-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.bn-vinyl-disc {
    width: min(440px, 90vw);
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background:
        repeating-radial-gradient(
            circle at center,
            #111111 0 3px,
            #1D1D1D 3px 6px,
            #0B0B0B 6px 9px
        );
    border: 4px solid #2A2A2A;
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18%;
}

.bn-vinyl-grooves {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bn-vinyl-center {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--bn-cream);
    color: var(--bn-ink);
    border: 4px solid var(--bn-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem;
    text-align: center;
}

.bn-vinyl-ring {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--bn-vermillion);
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    position: relative;
}

.bn-vinyl-ring__top,
.bn-vinyl-ring__bot {
    font-family: var(--bn-font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.bn-vinyl-ring__mid {
    font-family: var(--bn-font-display);
    font-size: 1.05rem;
    margin: 0.35rem 0;
    background: var(--bn-cream);
    color: var(--bn-ink);
    padding: 0.1rem 0.5rem;
}

.bn-vinyl-spindle {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bn-indigo);
    border: 2px solid var(--bn-cream);
    margin-top: 0.3rem;
}

.bn-groove-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.bn-groove-tab {
    background: #14223D;
    color: var(--bn-cream);
    border: 1px solid var(--bn-gold);
    padding: 0.45rem 0.75rem;
    font-family: var(--bn-font-mono);
    font-size: 0.75rem;
    cursor: pointer;
}

.bn-groove-tab.is-active {
    background: var(--bn-gold);
    color: var(--bn-ink);
    font-weight: 700;
}

/* SECTION 2: BACK COVER LINER NOTES */
.bn-liner-section {
    padding: 1rem 0 3.5rem;
}

.bn-liner-sheet {
    background: var(--bn-cream);
    color: var(--bn-ink);
    border: 3px solid var(--bn-ink);
    padding: 2.4rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.2rem;
    box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.45);
}

.bn-liner-col--tracks {
    border-right: 2px solid rgba(15, 23, 38, 0.2);
    padding-right: 1.8rem;
}

.bn-liner-kicker {
    display: inline-block;
    background: var(--bn-ink);
    color: var(--bn-cream);
    font-family: var(--bn-font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.18rem 0.55rem;
    margin-bottom: 0.45rem;
}

.bn-liner-kicker--vermillion {
    background: var(--bn-vermillion);
    color: #FFFFFF;
}

.bn-liner-title {
    margin: 0 0 1.2rem;
    font-family: var(--bn-font-display);
    font-size: 1.85rem;
    text-transform: uppercase;
    line-height: 1.05;
}

.bn-sides-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin-bottom: 1.4rem;
}

.bn-side-heading {
    margin: 0 0 0.5rem;
    font-family: var(--bn-font-display);
    font-size: 1.2rem;
    border-bottom: 2px solid var(--bn-ink);
    padding-bottom: 0.25rem;
}

.bn-tracks-ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
}

.bn-tracks-ul li {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.35rem 0;
    border-bottom: 1px dashed rgba(15, 23, 38, 0.25);
}

.bn-tracks-ul strong {
    font-family: var(--bn-font-mono);
    font-size: 0.76rem;
    color: var(--bn-vermillion);
}

.bn-lyric-box {
    background: #FFFFFF;
    border: 2px solid var(--bn-ink);
    padding: 1rem;
}

.bn-lyric-box__head {
    border-bottom: 1px solid rgba(15, 23, 38, 0.2);
    padding-bottom: 0.5rem;
    margin-bottom: 0.65rem;
}

.bn-lyric-box__tag {
    display: block;
    font-family: var(--bn-font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--bn-vermillion);
}

.bn-lyric-box__head code {
    font-family: var(--bn-font-mono);
    font-size: 0.76rem;
    color: var(--bn-ink);
}

.bn-lyric-box__pre {
    margin: 0;
    white-space: pre-wrap;
    font-family: var(--bn-font-mono);
    font-size: 0.82rem;
    line-height: 1.45;
}

/* 90% Royalty Flow Diagram */
.bn-royalty-intro {
    margin: 0 0 1.1rem;
    font-size: 0.94rem;
}

.bn-royalty-flow {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.bn-flow-node {
    background: #FFFFFF;
    border: 2px solid var(--bn-ink);
    padding: 0.75rem 0.95rem;
}

.bn-flow-step {
    display: block;
    font-family: var(--bn-font-mono);
    font-size: 0.68rem;
    color: var(--bn-vermillion);
    font-weight: 700;
}

.bn-flow-arrow {
    text-align: center;
    font-family: var(--bn-font-mono);
    font-weight: 700;
}

.bn-flow-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 0.35rem 0;
}

.bn-platform-badge {
    background: #FFFFFF;
    border: 2px solid var(--bn-ink);
    border-radius: 999px;
    padding: 0.65rem 1rem;
    text-align: center;
}

.bn-platform-badge--vk {
    background: var(--bn-ink);
    color: var(--bn-cream);
}

.bn-platform-badge strong {
    display: block;
    font-size: 0.95rem;
}

.bn-platform-badge span {
    font-size: 0.72rem;
    opacity: 0.85;
}

.bn-royalty-bar {
    display: grid;
    grid-template-columns: 9fr 1fr;
    border: 2px solid var(--bn-ink);
    margin-top: 0.5rem;
}

.bn-royalty-bar__author {
    background: var(--bn-vermillion);
    color: #FFFFFF;
    padding: 0.65rem 0.85rem;
    font-family: var(--bn-font-display);
    letter-spacing: 0.03em;
}

.bn-royalty-bar__fee {
    background: #DDD5C4;
    color: var(--bn-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--bn-font-mono);
    font-size: 0.75rem;
    font-weight: 700;
}

/* SECTION 3: KRAFT CARDBOARD PRICE STICKERS & TAPE DECK */
.bn-kraft-section {
    padding: 0 0 3.5rem;
}

.bn-kraft-board {
    background: var(--bn-kraft);
    color: var(--bn-ink);
    border: 3px solid var(--bn-ink);
    border-radius: 12px;
    padding: 2.2rem;
    box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.45);
}

.bn-kraft-stickers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.35rem;
    margin-bottom: 2rem;
}

.bn-sticker {
    border-radius: 14px;
    padding: 1.4rem;
    border: 3px solid var(--bn-ink);
    box-shadow: 6px 6px 0 rgba(15, 23, 38, 0.25);
}

.bn-sticker--cream {
    background: var(--bn-cream);
    transform: rotate(-1.5deg);
}

.bn-sticker--vermillion {
    background: var(--bn-vermillion);
    color: #FFFFFF;
    transform: rotate(1deg);
}

.bn-sticker--crossed {
    background: var(--bn-cream);
    transform: rotate(-1deg);
}

.bn-sticker__cat {
    display: block;
    font-family: var(--bn-font-mono);
    font-size: 0.72rem;
    font-weight: 700;
}

.bn-sticker__price {
    display: block;
    font-family: var(--bn-font-display);
    font-size: 3.1rem;
    line-height: 1;
    margin: 0.25rem 0;
}

.bn-sticker__price--strike {
    text-decoration: line-through;
    text-decoration-color: var(--bn-vermillion);
    text-decoration-thickness: 4px;
}

.bn-sticker__unit {
    display: block;
    font-family: var(--bn-font-display);
    font-size: 1.15rem;
    text-transform: uppercase;
    margin-bottom: 0.45rem;
}

.bn-sticker__desc {
    margin: 0;
    font-size: 0.88rem;
}

.bn-tape-deck {
    background: #1B1D21;
    color: var(--bn-cream);
    border: 3px solid #000000;
    border-radius: 8px;
    padding: 0.9rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.bn-tape-deck__left {
    display: flex;
    gap: 0.5rem;
}

.bn-tape-switch {
    background: #2C3038;
    border: 1px solid #555;
    padding: 0.3rem 0.6rem;
    font-family: var(--bn-font-mono);
    font-size: 0.72rem;
    color: var(--bn-gold);
}

.bn-tape-deck__window {
    font-family: var(--bn-font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

/* SECTION 4: COMPARE TABLE, FAQ & FINAL */
.bn-compare-section {
    padding: 1rem 0 4rem;
}

.bn-section-head {
    margin-bottom: 1.5rem;
}

.bn-section-kicker {
    display: inline-block;
    color: var(--bn-gold);
    font-family: var(--bn-font-mono);
    font-size: 0.76rem;
    font-weight: 700;
}

.bn-section-title {
    margin: 0.3rem 0 0;
    font-family: var(--bn-font-display);
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    text-transform: uppercase;
}

.bn-table-wrap {
    overflow-x: auto;
    background: var(--bn-cream);
    color: var(--bn-ink);
    border: 3px solid var(--bn-ink);
    margin-bottom: 3rem;
}

.bn-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.bn-table th,
.bn-table td {
    padding: 0.9rem 1rem;
    border-bottom: 2px solid var(--bn-ink);
    border-right: 2px solid var(--bn-ink);
    font-size: 0.92rem;
}

.bn-table th {
    background: var(--bn-ink);
    color: var(--bn-cream);
    font-family: var(--bn-font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
}

.bn-table th.bn-table__hi {
    background: var(--bn-vermillion);
    color: #FFFFFF;
}

.bn-table td.bn-table__hi {
    background: #FFF6DC;
}

.bn-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.bn-faq-item {
    background: var(--bn-cream);
    color: var(--bn-ink);
    border: 2px solid var(--bn-ink);
}

.bn-faq-item__q {
    padding: 1rem 1.15rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
}

.bn-faq-item__num {
    background: var(--bn-vermillion);
    color: #FFFFFF;
    font-family: var(--bn-font-mono);
    font-size: 0.75rem;
    padding: 0.1rem 0.45rem;
}

.bn-faq-item__a {
    padding: 0 1.15rem 1rem 3.2rem;
    font-size: 0.92rem;
}

.bn-related {
    background: #13203B;
    border: 2px solid rgba(243, 237, 224, 0.25);
    padding: 1rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.bn-related__label {
    font-family: var(--bn-font-mono);
    font-size: 0.8rem;
    color: var(--bn-gold);
}

.bn-related__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.bn-related__links a {
    background: var(--bn-cream);
    color: var(--bn-ink);
    padding: 0.25rem 0.65rem;
    font-family: var(--bn-font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
}

.bn-final-sleeve {
    background: var(--bn-cream);
    color: var(--bn-ink);
    border: 3px solid var(--bn-gold);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.bn-final-sleeve__title {
    margin: 0.25rem 0;
    font-family: var(--bn-font-display);
    font-size: clamp(1.6rem, 2.8vw, 2.3rem);
    text-transform: uppercase;
}

.bn-final-sleeve__sub {
    margin: 0;
}

.bn-footer {
    background: var(--bn-indigo-deep);
    border-top: 2px solid rgba(243, 237, 224, 0.2);
    padding: 1.2rem 0;
    font-family: var(--bn-font-mono);
    font-size: 0.8rem;
}

.bn-footer__inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.bn-footer__links {
    display: flex;
    gap: 1rem;
}

.bn-footer__links a {
    color: var(--bn-gold);
    text-decoration: none;
}

@media (max-width: 980px) {
    .bn-gatefold,
    .bn-liner-sheet,
    .bn-sides-grid,
    .bn-kraft-stickers,
    .bn-faq-grid {
        grid-template-columns: 1fr;
    }

    .bn-liner-col--tracks {
        border-right: 0;
        padding-right: 0;
    }

    .bn-sticker--cream,
    .bn-sticker--vermillion,
    .bn-sticker--crossed {
        transform: none;
    }

    .bn-final-sleeve {
        flex-direction: column;
        align-items: flex-start;
    }

    .bn-nav {
        display: none;
    }
}