:root {
    --helix-ink: #e9f5f7;
    --helix-muted: #91a4ab;
    --helix-cyan: #43d8e5;
    --helix-gold: #d9b76e;
    --helix-line: rgba(67, 216, 229, 0.28);
    --helix-surface: #071013;
    --helix-deep: #020506;
}

.helix-document {
    width: min(1100px, calc(100% - 32px));
    margin: 18px auto 80px;
    color: var(--helix-ink);
    background: var(--helix-deep);
    border: 1px solid var(--helix-line);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.helix-document-header {
    padding: clamp(24px, 5vw, 64px);
    background: linear-gradient(145deg, rgba(7, 24, 28, 0.96), rgba(2, 5, 6, 0.98));
    border-bottom: 1px solid var(--helix-line);
}

.helix-document-brand {
    display: flex;
    align-items: center;
    gap: 18px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--helix-line);
}

.helix-document-brand img {
    width: min(220px, 42vw);
    max-height: 72px;
    object-fit: contain;
    object-position: left center;
    background: #000;
    padding: 8px;
}

.helix-document-brand p,
.helix-document-brand span,
.helix-classification,
.helix-metadata dt,
.helix-record-rule,
.helix-document-footer {
    margin: 0;
    font-family: "Courier New", monospace;
    letter-spacing: 0;
    text-transform: uppercase;
}

.helix-document-brand p {
    color: var(--helix-cyan);
    font-weight: 700;
}

.helix-document-brand span {
    color: var(--helix-muted);
    font-size: 0.78rem;
}

.helix-title-block {
    max-width: 780px;
    padding: clamp(38px, 7vw, 78px) 0 44px;
}

.helix-classification {
    color: var(--helix-gold);
    font-size: 0.8rem;
    font-weight: 700;
}

.helix-title-block h1 {
    margin: 12px 0 18px;
    color: #fff;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.2rem, 6vw, 4.6rem);
    font-weight: 400;
    line-height: 1.02;
    letter-spacing: 0;
}

.helix-deck {
    max-width: 650px;
    margin: 0;
    color: #b9c8cc;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    line-height: 1.65;
}

.helix-metadata {
    display: grid;
    grid-template-columns: 1fr 2fr 0.7fr;
    margin: 0;
    border-top: 1px solid var(--helix-line);
    border-bottom: 1px solid var(--helix-line);
}

.helix-metadata div {
    min-width: 0;
    padding: 16px 18px;
    border-right: 1px solid var(--helix-line);
}

.helix-metadata div:last-child {
    border-right: 0;
}

.helix-metadata dt {
    margin-bottom: 6px;
    color: var(--helix-cyan);
    font-size: 0.7rem;
}

.helix-metadata dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--helix-ink);
    font-size: 0.92rem;
    line-height: 1.45;
}

.helix-record-rule {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 18px;
    padding: 28px clamp(24px, 6vw, 74px) 0;
    color: var(--helix-gold);
    font-size: 0.75rem;
}

.helix-record-rule span {
    height: 1px;
    background: var(--helix-line);
}

.helix-transcript {
    width: min(720px, calc(100% - 48px));
    margin: 0 auto;
    padding: clamp(36px, 7vw, 72px) 0 90px;
}

.helix-transcript p {
    margin: 0 0 1.45em;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.08rem, 1.8vw, 1.25rem);
    line-height: 1.82;
    letter-spacing: 0;
}

.helix-spoken {
    padding-left: 24px;
    color: #f5fbfc;
    border-left: 2px solid rgba(217, 183, 110, 0.55);
}

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

.helix-document-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px clamp(24px, 5vw, 54px);
    color: var(--helix-muted);
    font-size: 0.76rem;
    border-top: 1px solid var(--helix-line);
    background: var(--helix-surface);
}

.helix-document-footer p {
    margin: 0;
}

.helix-document-footer a {
    color: var(--helix-cyan);
}

@media (max-width: 720px) {
    .helix-document {
        width: min(100% - 18px, 1100px);
        margin-top: 8px;
    }

    .helix-document-brand {
        align-items: flex-start;
        flex-direction: column;
    }

    .helix-metadata {
        grid-template-columns: 1fr;
    }

    .helix-metadata div,
    .helix-metadata div:last-child {
        border-right: 0;
        border-bottom: 1px solid var(--helix-line);
    }

    .helix-metadata div:last-child {
        border-bottom: 0;
    }

    .helix-record-rule {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .helix-record-rule span {
        display: none;
    }

    .helix-transcript {
        width: calc(100% - 34px);
    }

    .helix-spoken {
        padding-left: 16px;
    }

    .helix-document-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}