/* -----------------------------------------------------------------------------
   standards-v1.css
   Phase 5 prototype — Editorial Standards / Trust page.

   All rules are scoped under .er-standards-v1 so this file cannot affect
   any other page on the site. Uses the Phase 1 design tokens from
   variables.css and the .er-* primitives from global.css.
   -------------------------------------------------------------------------- */

.er-standards-v1 {
    background-color: var(--er-paper);
    color: var(--er-ink);
    font-family: var(--er-sans);
    font-size: 16px;
    line-height: 1.62;

    --er-standards-container: 1240px;
    --er-standards-fs-title:  clamp(2.5rem, 5.6vw, 4.5rem);
    --er-standards-fs-h2:     clamp(1.5rem, 2.4vw, 2rem);
    --er-standards-fs-lede:   clamp(1.0625rem, 1.3vw, 1.1875rem);
    --er-standards-fs-body:   16px;
    --er-standards-fs-meta:   11px;
    --er-standards-tr-meta:   0.12em;
}

.er-standards-v1 *,
.er-standards-v1 *::before,
.er-standards-v1 *::after {
    box-sizing: border-box;
}

.er-standards-v1 a {
    color: var(--er-ink);
    text-decoration: none;
    border-bottom: 1px solid var(--er-rule);
    transition: color 160ms ease, border-color 160ms ease;
}

.er-standards-v1 a:hover,
.er-standards-v1 a:focus-visible {
    color: var(--er-clay-deep);
    border-bottom-color: var(--er-clay-deep);
}

.er-standards-v1 h1,
.er-standards-v1 h2 {
    font-family: var(--er-serif);
    color: var(--er-ink);
    font-weight: 400;
    margin: 0;
}

.er-standards-v1 p {
    margin: 0;
    max-width: 64ch;
}

.er-standards-v1 ol,
.er-standards-v1 ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.er-standards-v1 em {
    font-style: italic;
    color: var(--er-ink-2);
}

.er-standards-v1__container {
    width: 100%;
    max-width: var(--er-standards-container);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

/* --- Hero ------------------------------------------------------------ */

.er-standards-v1__hero {
    background-color: var(--er-ivory);
    border-bottom: 1px solid var(--er-rule-soft);
    padding: clamp(72px, 9vw, 144px) 0 clamp(56px, 6vw, 96px);
}

.er-standards-v1__hero-inner {
    display: flex;
    flex-direction: column;
    gap: clamp(20px, 2.4vw, 32px);
}

.er-standards-v1__eyebrow {
    font-family: var(--er-mono);
    font-size: var(--er-standards-fs-meta);
    letter-spacing: var(--er-standards-tr-meta);
    text-transform: uppercase;
    color: var(--er-ink-3);
}

.er-standards-v1__title {
    font-size: var(--er-standards-fs-title);
    line-height: 1.05;
    letter-spacing: -0.01em;
    max-width: 22ch;
}

.er-standards-v1__lede {
    font-size: var(--er-standards-fs-lede);
    line-height: 1.55;
    color: var(--er-ink-2);
    max-width: 60ch;
}

.er-standards-v1__hero-meta {
    font-family: var(--er-mono);
    font-size: var(--er-standards-fs-meta);
    letter-spacing: var(--er-standards-tr-meta);
    text-transform: uppercase;
    color: var(--er-ink-4);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.er-standards-v1__hero-meta-dot {
    opacity: 0.6;
}

/* --- Body layout (contents rail + article) --------------------------- */

.er-standards-v1__body {
    padding: clamp(48px, 6vw, 96px) 0 clamp(96px, 10vw, 160px);
}

.er-standards-v1__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(40px, 5vw, 80px);
}

@media (min-width: 980px) {
    .er-standards-v1__layout {
        grid-template-columns: 260px 1fr;
        gap: clamp(56px, 6vw, 96px);
    }
}

/* --- Contents rail --------------------------------------------------- */

.er-standards-v1__contents {
    border-top: 1px solid var(--er-rule-soft);
    padding-top: 24px;
}

@media (min-width: 980px) {
    .er-standards-v1__contents {
        position: sticky;
        top: 96px;
        align-self: start;
        border-top: 0;
        padding-top: 0;
    }
}

.er-standards-v1__contents-label {
    font-family: var(--er-mono);
    font-size: var(--er-standards-fs-meta);
    letter-spacing: var(--er-standards-tr-meta);
    text-transform: uppercase;
    color: var(--er-ink-3);
    margin-bottom: 18px;
}

.er-standards-v1__contents-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.er-standards-v1__contents-list a {
    display: grid;
    grid-template-columns: 28px 1fr;
    align-items: baseline;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 0;
    color: var(--er-ink-2);
    line-height: 1.4;
    transition: color 160ms ease;
}

.er-standards-v1__contents-list a:hover,
.er-standards-v1__contents-list a:focus-visible {
    color: var(--er-clay-deep);
}

.er-standards-v1__contents-num {
    font-family: var(--er-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--er-ink-4);
}

.er-standards-v1__contents-text {
    font-size: 14.5px;
}

/* --- Article --------------------------------------------------------- */

.er-standards-v1__article {
    min-width: 0;
}

.er-standards-v1__section {
    padding: clamp(40px, 5vw, 64px) 0;
    border-top: 1px solid var(--er-rule-soft);
}

.er-standards-v1__section:first-child {
    border-top: 0;
    padding-top: 0;
}

.er-standards-v1__section-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: clamp(20px, 2.4vw, 32px);
}

.er-standards-v1__section-num {
    font-family: var(--er-mono);
    font-size: var(--er-standards-fs-meta);
    letter-spacing: var(--er-standards-tr-meta);
    color: var(--er-ink-4);
}

.er-standards-v1__section-label {
    font-family: var(--er-mono);
    font-size: var(--er-standards-fs-meta);
    letter-spacing: var(--er-standards-tr-meta);
    text-transform: uppercase;
    color: var(--er-ink-3);
}

.er-standards-v1__h2 {
    font-size: var(--er-standards-fs-h2);
    line-height: 1.18;
    letter-spacing: -0.005em;
    margin-bottom: clamp(18px, 2vw, 28px);
    max-width: 28ch;
}

.er-standards-v1__section p {
    color: var(--er-ink-2);
    font-size: var(--er-standards-fs-body);
    line-height: 1.66;
    margin-top: 16px;
}

.er-standards-v1__section p:first-of-type {
    margin-top: 0;
}

.er-standards-v1__note {
    font-style: italic;
    color: var(--er-ink-3);
    border-left: 1px solid var(--er-rule);
    padding-left: 18px;
}

/* --- Lists ----------------------------------------------------------- */

.er-standards-v1__list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 64ch;
}

.er-standards-v1__list li {
    position: relative;
    padding-left: 22px;
    color: var(--er-ink-2);
    line-height: 1.6;
}

.er-standards-v1__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 10px;
    height: 1px;
    background: var(--er-rule-hair);
}

.er-standards-v1__list strong {
    font-weight: 600;
    color: var(--er-ink);
}

.er-standards-v1__list--negative li {
    color: var(--er-ink-3);
}

/* --- Callout --------------------------------------------------------- */

.er-standards-v1__callout {
    margin-top: 28px;
    background-color: var(--er-ivory);
    border: 1px solid var(--er-rule-soft);
    border-radius: var(--er-r-md);
    padding: clamp(20px, 2.4vw, 28px);
    max-width: 64ch;
}

.er-standards-v1__callout-label {
    font-family: var(--er-mono);
    font-size: var(--er-standards-fs-meta);
    letter-spacing: var(--er-standards-tr-meta);
    text-transform: uppercase;
    color: var(--er-ink-3);
    margin-bottom: 10px;
}

.er-standards-v1__callout p {
    margin: 0;
    color: var(--er-ink-2);
}

/* --- Closing --------------------------------------------------------- */

.er-standards-v1__section--closing {
    padding-bottom: 0;
}

.er-standards-v1__closing {
    font-family: var(--er-serif);
    font-size: clamp(1.25rem, 1.8vw, 1.5rem);
    line-height: 1.45;
    color: var(--er-ink);
    margin-top: 24px !important;
    max-width: 38ch;
}

/* --- Small viewport polish ------------------------------------------ */

@media (max-width: 640px) {
    .er-standards-v1__title {
        max-width: none;
    }

    .er-standards-v1__title br {
        display: none;
    }

    .er-standards-v1__section-head {
        flex-wrap: wrap;
        row-gap: 4px;
    }
}

/* --- Print ----------------------------------------------------------- */

@media print {
    .er-standards-v1 {
        background: #fff;
        color: #000;
    }

    .er-standards-v1__hero {
        background: #fff;
        padding: 24px 0;
    }

    .er-standards-v1__contents {
        display: none;
    }

    .er-standards-v1__layout {
        grid-template-columns: 1fr;
    }

    .er-standards-v1__section {
        page-break-inside: avoid;
    }
}