.business-card-body {
    --bc-navy: #03150e;
    --bc-dark: #08251a;
    --bc-panel: #0c3022;
    --bc-primary: #35f28b;
    --bc-secondary: #00b978;
    --bc-accent: #b8ff5f;
    --bc-white: #effff6;
    --bc-dim: rgba(239, 255, 246, .62);
    --bc-border: rgba(53, 242, 139, .2);
    background: var(--bc-navy);
}

.business-card-body .site-navbar {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, .96);
}

.bc-page {
    position: relative;
    min-height: calc(100vh - 78px);
    overflow: hidden;
    color: var(--bc-white);
    font-family: "Space Grotesk", "Plus Jakarta Sans", sans-serif;
}

.bc-background {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.bc-content {
    position: relative;
    z-index: 2;
    width: min(680px, 100%);
    margin: 0 auto;
    padding: 4rem 1.5rem 5rem;
}

.bc-heading {
    margin-bottom: 2rem;
    text-align: center;
}

.bc-kicker,
.bc-label {
    color: var(--bc-primary);
    font-family: "Space Mono", monospace;
    font-size: .68rem;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.bc-heading h1 {
    margin: .55rem 0;
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 700;
}

.bc-heading p {
    color: var(--bc-dim);
}

.bc-scene {
    margin-bottom: 1.5rem;
    perspective: 1200px;
    animation: bc-fade-up .8s ease both;
}

.bc-card {
    position: relative;
    width: min(560px, 92vw);
    aspect-ratio: 1.75;
    margin: 0 auto;
    cursor: pointer;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform .8s cubic-bezier(.22, 1, .36, 1);
}

.bc-card.is-flipped {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
}

.bc-face {
    position: absolute;
    inset: 0;
    display: flex;
    overflow: hidden;
    padding: clamp(1.35rem, 4%, 2rem);
    border-radius: 20px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.bc-front {
    -webkit-transform: rotateY(0deg) translateZ(1px);
    transform: rotateY(0deg) translateZ(1px);
}

.bc-front {
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid rgba(53, 242, 139, .28);
    background: linear-gradient(135deg, var(--bc-dark), var(--bc-panel) 62%, rgba(53, 242, 139, .1));
    box-shadow: 0 40px 80px rgba(0, 0, 0, .55), 0 0 55px rgba(53, 242, 139, .1);
}

.bc-front::after {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(105deg, transparent 38%, rgba(255, 255, 255, .05) 50%, transparent 62%);
    background-size: 200% 100%;
    content: "";
    pointer-events: none;
    animation: bc-shimmer 4s ease-in-out infinite;
}

.bc-circuit {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: .08;
    pointer-events: none;
}

.bc-top,
.bc-bottom {
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.bc-logo,
.bc-back-logo {
    background: linear-gradient(90deg, var(--bc-primary), var(--bc-accent));
    background-clip: text;
    color: transparent;
    font-size: clamp(1.5rem, 5vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -.06em;
}

.bc-logo-subtitle {
    display: block;
    color: var(--bc-dim);
    font-family: "Space Mono", monospace;
    font-size: .55rem;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.bc-chip {
    width: 40px;
    height: 29px;
    border-radius: 5px;
    background: linear-gradient(135deg, #c8a96e, #f0d090, #a07040);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .4);
}

.bc-main {
    z-index: 1;
}

.bc-name {
    margin-bottom: .35rem;
    font-size: clamp(1.15rem, 4vw, 1.7rem);
    font-weight: 700;
}

.bc-title {
    color: var(--bc-primary);
    font-family: "Space Mono", monospace;
    font-size: clamp(.55rem, 1.5vw, .75rem);
    letter-spacing: .13em;
    text-transform: uppercase;
}

.bc-tagline {
    margin-top: .25rem;
    color: var(--bc-dim);
    font-size: clamp(.6rem, 1.5vw, .8rem);
}

.bc-bottom {
    align-items: flex-end;
}

.bc-mini-details {
    display: grid;
    gap: .28rem;
}

.bc-mini-row {
    display: flex;
    align-items: center;
    gap: .45rem;
    color: var(--bc-dim);
    font-family: "Space Mono", monospace;
    font-size: clamp(.48rem, 1.2vw, .65rem);
}

.bc-mini-row i {
    color: var(--bc-primary);
}

.bc-flip-hint {
    color: rgba(53, 242, 139, .62);
    font-family: "Space Mono", monospace;
    font-size: .58rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.bc-back {
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: .65rem;
    border: 1px solid rgba(0, 185, 120, .34);
    background: linear-gradient(135deg, var(--bc-panel), var(--bc-dark));
    box-shadow: 0 40px 80px rgba(0, 0, 0, .55);
    -webkit-transform: rotateY(180deg) translateZ(1px);
    transform: rotateY(180deg) translateZ(1px);
}

.bc-back-logo {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
}

.bc-back-tagline,
.bc-url {
    z-index: 1;
    color: var(--bc-dim);
    font-family: "Space Mono", monospace;
    font-size: clamp(.52rem, 1.4vw, .72rem);
    letter-spacing: .13em;
    text-align: center;
}

.bc-url {
    color: var(--bc-primary);
}

.bc-qr {
    width: 74px;
    height: 74px;
    padding: 5px;
    border-radius: 8px;
    background: #fff;
}

.bc-qr img {
    width: 100%;
    height: 100%;
}

.bc-flip-button {
    display: flex;
    align-items: center;
    gap: .55rem;
    margin: 0 auto 2.5rem;
    padding: .6rem 1.35rem;
    border: 1px solid var(--bc-border);
    border-radius: 999px;
    color: var(--bc-dim);
    background: rgba(53, 242, 139, .04);
    font-family: "Space Mono", monospace;
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    transition: .2s ease;
}

.bc-flip-button:hover {
    border-color: var(--bc-primary);
    color: var(--bc-primary);
    background: rgba(53, 242, 139, .08);
}

.bc-details {
    animation: bc-fade-up .8s .2s ease both;
}

.bc-details-header {
    display: flex;
    align-items: center;
    gap: .8rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(53, 242, 139, .14);
}

.bc-details-header h2 {
    margin: 0;
    font-size: 1.1rem;
}

.bc-links {
    display: grid;
    gap: .75rem;
}

.bc-link,
.bc-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .9rem 1.15rem;
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 12px;
    color: var(--bc-white);
    background: rgba(8, 37, 26, .78);
    text-decoration: none;
    transition: .22s ease;
}

.bc-link:hover {
    border-color: rgba(53, 242, 139, .4);
    color: var(--bc-white);
    background: rgba(53, 242, 139, .08);
    transform: translateX(4px);
}

.bc-link-icon {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    place-items: center;
    border: 1px solid rgba(53, 242, 139, .22);
    border-radius: 9px;
    color: var(--bc-primary);
    background: rgba(53, 242, 139, .1);
    font-size: 1.1rem;
}

.bc-link-copy {
    min-width: 0;
    flex: 1;
}

.bc-link-value {
    overflow: hidden;
    font-size: .9rem;
    font-weight: 500;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bc-link-arrow {
    color: var(--bc-dim);
}

@keyframes bc-shimmer {
    0%, 100% { background-position: 200% 0; }
    50% { background-position: -200% 0; }
}

@keyframes bc-fade-up {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (hover: none) and (pointer: coarse) {
    .bc-card,
    .bc-card.is-flipped {
        -webkit-transform: none;
        transform: none;
        transform-style: flat;
    }

    .bc-face {
        -webkit-transform-style: flat;
        transform-style: flat;
        transition: opacity .2s ease, transform .38s cubic-bezier(.22, 1, .36, 1);
    }

    .bc-front {
        z-index: 2;
        opacity: 1;
        -webkit-transform: scaleX(1);
        transform: scaleX(1);
    }

    .bc-back {
        z-index: 1;
        opacity: 0;
        -webkit-transform: scaleX(.05);
        transform: scaleX(.05);
    }

    .bc-card.is-flipped .bc-front {
        z-index: 1;
        opacity: 0;
        -webkit-transform: scaleX(.05);
        transform: scaleX(.05);
    }

    .bc-card.is-flipped .bc-back {
        z-index: 2;
        opacity: 1;
        -webkit-transform: scaleX(1);
        transform: scaleX(1);
    }
}

@media (max-width: 576px) {
    .bc-content {
        padding-inline: .75rem;
    }

    .bc-face {
        border-radius: 14px;
    }

    .bc-tagline {
        display: none;
    }
}