/* Antiques — bilingual waybill
   Plain CSS, no build step. Light theme first, dark via prefers-color-scheme. */

:root {
    --paper: #E9EDE6;
    --sheet: #F8F9F5;
    --ink: #1B2528;
    --ink-soft: #56625F;
    --rule: #C9D0C5;
    --field: #EEF1EA;
    --signal: #8A570A;

    --gutter: 16px;
    --measure: 72rem;

    --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
    --display: "Big Shoulders Display", "IBM Plex Sans", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --paper: #0F1518;
        --sheet: #162024;
        --ink: #E1E6E0;
        --ink-soft: #9BA7A3;
        --rule: #2B393E;
        --field: #1C282D;
        --signal: #E7A83E;
    }
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

p {
    margin: 0 0 0.75rem;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
    text-decoration-color: var(--rule);
}

a:hover {
    text-decoration-color: var(--signal);
    color: var(--signal);
}

:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 2px;
    text-decoration: none;
}

/* ---------- Skip link ---------- */

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 10;
    background: var(--sheet);
    border: 1px solid var(--ink);
    padding: 0.5rem 0.75rem;
    font-family: var(--mono);
    font-size: 0.8125rem;
}

.skip-link:focus {
    left: var(--gutter);
    top: var(--gutter);
}

/* ---------- Sheet ---------- */

.sheet {
    max-width: var(--measure);
    margin: 0 auto;
    background: var(--sheet);
    border-left: 1px solid var(--rule);
    border-right: 1px solid var(--rule);
    min-height: 100vh;
}

/* ---------- Masthead ---------- */

.masthead {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem 1.5rem;
    padding: 1rem var(--gutter);
    border-bottom: 1px solid var(--ink);
}

/* Logo lockup: mark and wordmark keep the proportions of the stacked logo,
   so the wordmark is scaled to 86.12/136.25 of the mark's height. */
.masthead__logo {
    --logo-height: 56px;

    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--ink);
    text-decoration: none;
}

.masthead__logo:hover {
    color: var(--signal);
}

.masthead__logo svg {
    display: block;
    width: auto;
}

.masthead__logo .logo-mark svg {
    height: var(--logo-height);
}

.masthead__logo .logo-wordmark svg {
    height: calc(var(--logo-height) * 0.632);
}

@media (max-width: 479px) {
    .masthead__logo {
        --logo-height: 44px;
    }
}

.masthead__nav a {
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.masthead__nav span {
    color: var(--ink-soft);
}

/* ---------- Slab (page head) ---------- */

.slab {
    padding: 2rem var(--gutter) 1.5rem;
    border-bottom: 1px solid var(--rule);
}

.hero-logo {
    max-width: 260px;
    margin: 0 0 1.75rem;
    color: var(--ink);
}

.hero-logo svg {
    display: block;
    width: 100%;
    height: auto;
}

.slab__kicker {
    margin: 0 0 0.75rem;
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.slab__title {
    margin: 0;
    font-family: var(--display);
    font-weight: 800;
    font-size: clamp(2.5rem, 12vw, 5rem);
    line-height: 0.92;
    letter-spacing: 0.01em;
    text-transform: uppercase;
}

.slab__sub {
    margin: 0.5rem 0 0;
    font-family: var(--display);
    font-weight: 700;
    font-size: clamp(1.25rem, 5vw, 1.875rem);
    line-height: 1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

/* ---------- Bilingual pairs ---------- */

.duo {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.duo p {
    margin: 0;
}

.duo [lang="en"] {
    color: var(--ink-soft);
}

.duo--lead {
    font-size: 1.0625rem;
}

@media (min-width: 760px) {
    .duo {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* ---------- Blocks ---------- */

.block {
    padding: 1.75rem var(--gutter) 2rem;
    border-bottom: 1px solid var(--rule);
}

.block__title {
    margin: 0 0 1.25rem;
    font-family: var(--display);
    font-weight: 700;
    font-size: clamp(1.5rem, 6vw, 2.25rem);
    line-height: 1;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.block__title span {
    color: var(--ink-soft);
}

/* ---------- Field grid ---------- */

.fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    margin: 1.5rem 0 0;
    border-top: 1px solid var(--rule);
    border-left: 1px solid var(--rule);
}

.fields--glance {
    margin-top: 0;
}

.field {
    background: var(--field);
    border-right: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 0.75rem 0.875rem 0.875rem;
}

.field__label {
    margin: 0 0 0.25rem;
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.field__label span {
    opacity: 0.8;
}

.field__value {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.field__value-en {
    display: block;
    color: var(--ink-soft);
}

/* ---------- Articles ---------- */

.articles {
    border-top: 1px solid var(--rule);
}

.art {
    display: grid;
    grid-template-columns: 1fr;
    padding: 1rem 0 1.125rem;
    border-bottom: 1px solid var(--rule);
}

.art__no {
    margin: 0 0 0.5rem;
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--signal);
}

.art__head {
    margin: 0 0 0.375rem;
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.25rem;
    line-height: 1.1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.art__col + .art__col {
    margin-top: 1rem;
}

.art__col--en,
.art__col--en .art__head {
    color: var(--ink-soft);
}

@media (min-width: 760px) {
    .art {
        grid-template-columns: 5rem 1fr 1fr;
        gap: 0 1.5rem;
    }

    .art__no {
        margin-bottom: 0;
        padding-top: 0.25rem;
    }

    .art__col + .art__col {
        margin-top: 0;
    }
}

/* ---------- Call to action ---------- */

.cta-wrap {
    margin: 1.5rem 0 0;
}

.cta {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--ink);
    background: var(--sheet);
    color: var(--ink);
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.375rem;
    line-height: 1.05;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
}

.cta:hover {
    background: var(--ink);
    color: var(--sheet);
}

.cta__en {
    display: block;
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    color: var(--ink-soft);
}

.cta:hover .cta__en {
    color: var(--sheet);
}

/* ---------- Colophon ---------- */

.colophon {
    padding: 1.25rem var(--gutter) 2.5rem;
}

.colophon__note {
    margin: 0 0 0.75rem;
    font-size: 0.875rem;
    max-width: 44rem;
}

.colophon__note span {
    color: var(--ink-soft);
}

.colophon__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    margin: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--rule);
    font-family: var(--mono);
    font-weight: 500;
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
}