*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --grx-sand: #f7f3ec;
    --grx-cream: #fdfbf7;
    --grx-paper: #ffffff;
    --grx-ink: #2b2f36;
    --grx-muted: #5d6470;
    --grx-amber: #b1702f;
    --grx-amber-deep: #8f5a24;
    --grx-line: #e4dbcd;
    --grx-serif: Georgia, "Times New Roman", serif;
    --grx-sans: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --grx-rad-s: 8px;
    --grx-rad-m: 14px;
    --grx-shade-s: 0 2px 8px rgba(43, 47, 54, .06);
    --grx-shade-m: 0 10px 26px rgba(43, 47, 54, .1);
}

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--grx-sand);
    font-family: var(--grx-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--grx-ink);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--grx-amber-deep);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color .2s ease;
}
a:hover { color: var(--grx-ink); }

/* ---------- top bar ---------- */
.grx-topbar {
    background: var(--grx-cream);
    border-bottom: 1px solid var(--grx-line);
    box-shadow: inset 0 -3px 0 0 var(--grx-amber);
    padding: 20px 18px 18px;
}
.grx-topbar__inner {
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
}
.grx-topbar__logo {
    display: inline-block;
    font-family: var(--grx-serif);
    font-size: 21px;
    font-weight: 700;
    letter-spacing: .2em;
    text-indent: .2em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--grx-ink);
}
.grx-topbar__logo:hover { color: var(--grx-amber-deep); }

/* ---------- document head ---------- */
.grx-sheet {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px 64px;
}
.grx-sheet__head {
    max-width: 760px;
    padding: 46px 0 26px;
}
.grx-sheet__title {
    font-family: var(--grx-serif);
    font-size: clamp(26px, 4.2vw, 42px);
    font-weight: 700;
    line-height: 1.24;
    color: var(--grx-ink);
}
.grx-sheet__intro {
    display: block;
    margin-top: 14px;
    max-width: 640px;
    font-size: 16px;
    color: var(--grx-muted);
}
.grx-sheet__stamp {
    display: inline-block;
    margin-top: 18px;
    padding: 6px 15px;
    border-radius: 999px;
    background: rgba(177, 112, 47, .1);
    border: 1px solid rgba(177, 112, 47, .4);
    font-size: 13px;
    font-weight: 600;
    color: var(--grx-ink);
}

/* ---------- two columns ---------- */
.grx-sheet__body {
    display: grid;
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
}

.grx-toc {
    position: sticky;
    top: 20px;
    background: var(--grx-paper);
    border: 1px solid var(--grx-line);
    border-left: 3px solid var(--grx-amber);
    border-radius: var(--grx-rad-s);
    box-shadow: var(--grx-shade-s);
    padding: 14px 16px;
}
.grx-toc__toggle {
    cursor: pointer;
    list-style: none;
    font-family: var(--grx-serif);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--grx-amber-deep);
}
.grx-toc__toggle::-webkit-details-marker { display: none; }
.grx-toc__toggle::after {
    content: "–";
    float: right;
    font-weight: 700;
    color: var(--grx-muted);
}
.grx-toc:not([open]) .grx-toc__toggle::after { content: "+"; }
.grx-toc__list {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--grx-line);
    list-style: none;
    counter-reset: grxToc;
    font-size: 14px;
    line-height: 1.5;
}
.grx-toc__list li {
    counter-increment: grxToc;
    position: relative;
    padding: 5px 0 5px 26px;
}
.grx-toc__list li::before {
    content: counter(grxToc);
    position: absolute;
    left: 0;
    top: 5px;
    width: 19px;
    text-align: right;
    font-weight: 700;
    font-size: 12px;
    color: var(--grx-amber);
}
.grx-toc__link {
    color: var(--grx-ink);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}
.grx-toc__link:hover {
    color: var(--grx-amber-deep);
    border-bottom-color: rgba(143, 90, 36, .5);
}

/* ---------- clauses ---------- */
.grx-sheet__text { min-width: 0; }

.grx-clause {
    padding: 0 0 26px;
    scroll-margin-top: 20px;
}
.grx-clause:last-child { padding-bottom: 4px; }
.grx-clause__bar {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--grx-line);
    margin-bottom: 12px;
}
.grx-clause__num {
    flex: 0 0 auto;
    font-family: var(--grx-serif);
    font-size: 15px;
    font-weight: 700;
    color: var(--grx-amber-deep);
    padding: 1px 9px;
    border-radius: 4px;
    background: rgba(177, 112, 47, .12);
}
.grx-clause__title {
    font-family: var(--grx-serif);
    font-size: clamp(19px, 2.3vw, 24px);
    font-weight: 700;
    line-height: 1.32;
    color: var(--grx-ink);
}
.grx-clause__text p { margin-bottom: 12px; color: var(--grx-muted); }
.grx-clause__text p:last-child { margin-bottom: 0; }
.grx-clause__text strong { color: var(--grx-ink); }
.grx-clause__text ul,
.grx-clause__text ol {
    margin: 0 0 12px;
    padding-left: 0;
    list-style: none;
    color: var(--grx-muted);
}
.grx-clause__text ol { counter-reset: grxStep; }
.grx-clause__text li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 8px;
}
.grx-clause__text ul > li::before {
    content: "";
    position: absolute;
    left: 3px;
    top: .72em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    border: 2px solid var(--grx-amber);
}
.grx-clause__text ol > li {
    counter-increment: grxStep;
    padding-left: 28px;
}
.grx-clause__text ol > li::before {
    content: counter(grxStep) ".";
    position: absolute;
    left: 2px;
    top: 0;
    font-weight: 700;
    color: var(--grx-amber-deep);
}

/* ---------- inner blocks ---------- */
.grx-note {
    margin: 14px 0 4px;
    padding: 15px 17px;
    border: 1px solid rgba(177, 112, 47, .34);
    border-left: 4px solid var(--grx-amber);
    border-radius: 0 var(--grx-rad-s) var(--grx-rad-s) 0;
    background: rgba(177, 112, 47, .08);
}
.grx-note p { margin: 0; font-size: 15px; color: var(--grx-ink); }

.grx-defs {
    margin: 12px 0;
    display: grid;
    gap: 9px;
}
.grx-defs__row {
    display: grid;
    grid-template-columns: minmax(130px, 34%) 1fr;
    gap: 4px 16px;
    padding: 12px 14px;
    background: var(--grx-paper);
    border: 1px solid var(--grx-line);
    border-radius: var(--grx-rad-s);
    box-shadow: var(--grx-shade-s);
    font-size: 15px;
}
.grx-defs__key { font-weight: 700; color: var(--grx-ink); }
.grx-defs__val { color: var(--grx-muted); }

.grx-grid {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 15px;
    background: var(--grx-paper);
    border: 1px solid var(--grx-line);
    border-radius: var(--grx-rad-s);
    overflow: hidden;
}
.grx-grid th {
    background: #efe8dc;
    color: var(--grx-ink);
    text-align: left;
    padding: 11px 14px;
    font-size: 14px;
    font-weight: 700;
}
.grx-grid td {
    padding: 11px 14px;
    border-top: 1px solid var(--grx-line);
    color: var(--grx-muted);
}
.grx-grid tr:nth-child(even) td { background: #faf7f1; }

.grx-tagset {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}
.grx-tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid var(--grx-line);
    background: var(--grx-paper);
    font-size: 13px;
    font-weight: 600;
    color: var(--grx-ink);
}

.grx-closing {
    margin: 26px 0 0;
    padding: 18px 20px;
    border: 1px dashed rgba(93, 100, 112, .45);
    border-radius: var(--grx-rad-m);
    background: rgba(255, 255, 255, .66);
    font-size: 15px;
    color: var(--grx-muted);
}

@media (max-width: 900px) {
    .grx-sheet__body { grid-template-columns: 1fr; gap: 22px; }
    .grx-toc { position: static; top: auto; }
    .grx-sheet__head { padding-top: 34px; }
}
@media (max-width: 560px) {
    .grx-defs__row { grid-template-columns: 1fr; }
    .grx-grid { font-size: 14px; }
    .grx-grid th,
    .grx-grid td { padding: 10px 11px; }
}

/* ---------- footer ---------- */
.grx-foot {
    margin-top: auto;
    flex-shrink: 0;
    padding: 26px 20px 28px;
    text-align: center;
    background: #efe8dc;
    border-top: 3px solid var(--grx-amber);
    color: var(--grx-muted);
}
.grx-foot__inner {
    max-width: 880px;
    margin: 0 auto;
}
.grx-foot__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    margin-bottom: 14px;
}
.grx-foot__nav a {
    font-size: 12px;
    color: var(--grx-amber-deep);
    text-decoration: none;
    border-bottom: 1px solid rgba(143, 90, 36, .4);
    padding-bottom: 2px;
}
.grx-foot__nav a:hover { color: var(--grx-ink); border-bottom-color: var(--grx-ink); }
.grx-foot__copy {
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--grx-ink);
}
.grx-foot__legal {
    max-width: 740px;
    margin: 0 auto;
    font-size: 11px;
    line-height: 1.75;
    color: var(--grx-muted);
}