/*
 * SBN Developer Notes.
 * Scope: Code of Excellence page sections and rail/card layout.
 * Used by: templates/page-code-of-excellence.html.
 * Edit risk: low to medium; mostly page-specific.
 * QA: page hero, rail cards, long copy, mobile stacking.
 */

.sbn-code-page-header {
    --sbn-page-header-media-left: 48%;
    --sbn-page-header-media-left-tablet: 48%;
    background: var(--sbn-cream);
    color: var(--sbn-ink);
}

.sbn-code-page-header .sbn-inner-hero__title,
.sbn-code-page-header h1 {
    color: var(--sbn-navy);
}

.sbn-code-page-header .sbn-inner-hero__subtitle,
.sbn-code-page-header p {
    color: rgba(20, 33, 61, 0.76);
}

.sbn-code-document {
    background: var(--sbn-paper);
}

.sbn-code-shell {
    display: grid;
    grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    max-width: var(--sbn-max-width);
    margin: 0 auto;
    align-items: start;
}

.sbn-code-rail {
    position: sticky;
    top: var(--sbn-sticky-offset);
}

.sbn-code-rail__card {
    padding: 28px;
    border: 1px solid rgba(201, 163, 90, 0.28);
    border-radius: var(--sbn-radius-card-lg);
    background: var(--sbn-navy);
    color: #fff;
    box-shadow: var(--sbn-shadow-lg);
}

.sbn-code-rail__card .sbn-section-label,
.sbn-code-signoff .sbn-section-label {
    color: var(--sbn-gold);
}

.sbn-code-rail__card h2 {
    margin: 12px 0 16px;
    color: #fff;
    font-family: var(--sbn-serif);
    font-size: 34px;
    font-weight: 400;
    line-height: 1.06;
}

.sbn-code-rail__card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.76);
    line-height: 1.68;
}

.sbn-code-rail__meta {
    display: grid;
    gap: 10px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.sbn-code-rail__meta span {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.84);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
}

.sbn-code-rail__meta span::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--sbn-gold);
    flex: 0 0 auto;
}

.sbn-code-main {
    display: grid;
    gap: 20px;
    min-width: 0;
}

.sbn-code-lede,
.sbn-code-panel,
.sbn-code-signoff {
    border: 1px solid var(--sbn-mist-soft);
    border-radius: var(--sbn-radius-card-lg);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: var(--sbn-shadow-sm);
}

.sbn-code-lede {
    padding: clamp(30px, 5vw, 52px);
}

.sbn-code-lede .sbn-section-label,
.sbn-code-panel .sbn-section-label {
    margin-bottom: 18px;
}

.sbn-code-lede p,
.sbn-code-panel p,
.sbn-code-signoff p {
    margin: 0;
    color: rgba(20, 33, 61, 0.8);
    font-size: 17px;
    line-height: 1.78;
}

.sbn-code-lede p + p,
.sbn-code-panel p + p {
    margin-top: 16px;
}

.sbn-code-panel {
    padding: clamp(30px, 5vw, 56px);
}

.sbn-code-panel h2 {
    max-width: 820px;
    margin: 0 0 18px;
    color: var(--sbn-navy);
    font-family: var(--sbn-serif);
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 400;
    line-height: 1.06;
}

.sbn-code-values {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.sbn-code-value {
    position: relative;
    min-height: 238px;
    padding: 26px;
    border: 1px solid rgba(195, 204, 210, 0.72);
    border-radius: var(--sbn-radius-card);
    background: rgba(255, 255, 255, 0.64);
    box-shadow: 0 1px 0 rgba(15, 30, 61, 0.03);
}

.sbn-code-value span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 20px;
    border-radius: 50%;
    background: rgba(201, 163, 90, 0.14);
    color: var(--sbn-gold);
    font-family: var(--sbn-sans);
    font-size: 12px;
    font-weight: 800;
}

.sbn-code-value h3 {
    margin: 0 0 12px;
    color: var(--sbn-navy);
    font-family: var(--sbn-serif);
    font-size: 28px;
    font-weight: 400;
    line-height: 1.1;
}

.sbn-code-value p {
    margin: 0;
    color: rgba(20, 33, 61, 0.74);
    line-height: 1.68;
}

.sbn-code-panel--requirements {
    background: #fff;
}

.sbn-code-requirements {
    display: grid;
    gap: 0;
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--sbn-mist-soft);
}

.sbn-code-requirements li {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 20px 0;
    border-bottom: 1px solid var(--sbn-mist-soft);
}

.sbn-code-requirements span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(201, 163, 90, 0.45);
    border-radius: 50%;
    color: var(--sbn-gold);
    font-size: 11px;
    font-weight: 800;
    line-height: 1;
}

.sbn-code-requirements p {
    margin: 5px 0 0;
    color: rgba(20, 33, 61, 0.82);
    font-size: 16px;
    line-height: 1.62;
}

.sbn-code-signoff {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 340px);
    gap: 28px;
    align-items: end;
    padding: clamp(30px, 5vw, 48px);
    background: var(--sbn-navy);
}

.sbn-code-signoff p {
    max-width: 760px;
    color: rgba(255, 255, 255, 0.78);
}

.sbn-code-signature-line {
    width: 100%;
    height: 1px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 1080px) {
    .sbn-code-shell {
        grid-template-columns: 1fr;
    }

    .sbn-code-rail {
        position: static;
    }

    .sbn-code-rail__card {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(220px, 0.8fr);
        gap: 24px;
        align-items: start;
    }

    .sbn-code-rail__meta {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
    }
}

@media (max-width: 760px) {
    .sbn-code-rail__card,
    .sbn-code-values,
    .sbn-code-signoff {
        grid-template-columns: 1fr;
    }

    .sbn-code-value {
        min-height: 0;
    }

    .sbn-code-requirements li {
        grid-template-columns: 42px minmax(0, 1fr);
        gap: 12px;
    }
}

@media (max-width: 560px) {
    .sbn-code-lede,
    .sbn-code-panel,
    .sbn-code-signoff,
    .sbn-code-rail__card {
        padding: 24px;
    }

    .sbn-code-panel h2 {
        font-size: 34px;
    }
}