/* HACHEDEV · landing "El cuaderno de la bodega". Todo se mide en celdas de la cuadrícula (--c). */
:root {
    --c: 24px;
    --paper: #f6f9fc;
    --grid: #d3e7f2;
    --ink: #1d3fbf;
    --ink-deep: #10288c;
    --ink-soft: #5a72c4;
    --text: #17213d;
    --text-soft: #43506f;
    --margin: #e0323a;
    --stamp: #c7232d;
    --ok: #17784a;
    --cover: #11204a;
    --cover-ink: #e9eefc;
    --cover-soft: #a9b6dc;
    --sheet: 1200px;

    --f-display: "Bricolage Grotesque", "Segoe UI", sans-serif;
    --f-hand: "Kalam", "Segoe Print", cursive;
    --f-mono: "JetBrains Mono", ui-monospace, monospace;
    --ease: cubic-bezier(.16, 1, .3, 1);
    color-scheme: light;
}

@media (max-width: 720px) {
    :root { --c: 20px; }
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--c) * 4); scrollbar-color: var(--ink-soft) var(--paper); }

body {
    margin: 0;
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: var(--c) var(--c);
    color: var(--text);
    font: 400 16px/var(--c) var(--f-display);
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    caret-color: var(--ink);
    overflow-x: hidden;
}

/* Margen rojo del cuaderno */
body::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: max(calc(var(--c) * 2), calc((100vw - var(--sheet)) / 2 - var(--c)));
    width: 2px;
    background: var(--margin);
    opacity: .75;
    pointer-events: none;
    z-index: 0;
}
body { position: relative; }

::selection { background: #c9d4fb; color: var(--ink-deep); }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.skip { position: absolute; left: var(--c); top: calc(var(--c) * -3); z-index: 50; background: var(--ink); color: #fff; padding: 0 var(--c); line-height: calc(var(--c) * 2); border-radius: 6px; }
.skip:focus { top: var(--c); }

.sheet {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: calc(var(--sheet) + var(--c) * 2);
    margin-inline: auto;
    padding-inline: calc(var(--c) * 1) var(--c);
}
@media (max-width: 1290px) {
    .sheet { padding-left: calc(var(--c) * 3); }
}

.mono { font-family: var(--f-mono); font-size: .875em; letter-spacing: -.01em; }
.num { font-variant-numeric: tabular-nums; }
.hand { font-family: var(--f-hand); color: var(--ink); }

.ico { width: 1.25em; height: 1.25em; flex: none; vertical-align: -.25em; }

/* ---------- Cabecera ---------- */
.top {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter: blur(6px);
    border-bottom: 2px solid var(--ink);
}
.top__row {
    display: flex;
    align-items: center;
    gap: calc(var(--c) * 2);
    height: calc(var(--c) * 3);
}
.brand {
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -.02em;
    text-decoration: none;
    color: var(--text);
}
.brand { display: inline-flex; align-items: center; gap: calc(var(--c) / 3); }
.brand img { width: 32px; height: 32px; }
.brand__name span { color: var(--ink); }
.nav { display: flex; gap: calc(var(--c) * 1.5); }
.nav a, .link-ink {
    color: var(--text-soft);
    text-decoration: none;
    font-weight: 500;
}
.nav a:hover, .link-ink:hover { color: var(--ink); text-decoration: underline; }
.link-ink { background: none; border: 0; padding: 0; font: inherit; cursor: pointer; color: var(--ink); font-weight: 600; }
.top__actions { margin-left: auto; display: flex; align-items: center; gap: var(--c); }

.menu { display: none; margin-left: auto; position: relative; }
.menu summary { list-style: none; cursor: pointer; display: grid; place-items: center; width: calc(var(--c) * 2); height: calc(var(--c) * 2); color: var(--ink); border-radius: 6px; }
.menu summary::-webkit-details-marker { display: none; }
.menu__panel {
    position: absolute;
    right: 0;
    top: calc(var(--c) * 2.5);
    min-width: calc(var(--c) * 11);
    display: grid;
    background: var(--paper);
    border: 2px solid var(--ink);
    border-radius: 8px;
    padding: calc(var(--c) / 2) 0;
    box-shadow: 0 12px 28px -10px rgba(16, 40, 140, .35);
}
.menu__panel a { padding: calc(var(--c) / 4) var(--c); line-height: calc(var(--c) * 1.5); text-decoration: none; font-weight: 500; }
.menu__panel a:hover { background: #e6edfd; color: var(--ink); }

@media (max-width: 960px) {
    .nav { display: none; }
}
@media (max-width: 640px) {
    .top__actions { display: none; }
    .menu { display: block; }
}

/* ---------- Botones ---------- */
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--c); }
.btn {
    display: inline-flex;
    align-items: center;
    gap: calc(var(--c) / 3);
    height: calc(var(--c) * 2);
    padding: 0 var(--c);
    border-radius: 8px;
    border: 2px solid var(--ink);
    font: 600 16px/1 var(--f-display);
    text-decoration: none;
    cursor: pointer;
    transition: background-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--ink { background: var(--ink); color: #fff; box-shadow: 0 6px 16px -8px rgba(16, 40, 140, .7); }
.btn--ink:hover { background: var(--ink-deep); border-color: var(--ink-deep); }
.btn--line { background: var(--paper); color: var(--ink); }
.btn--line:hover { background: #e6edfd; }
.btn--sm { height: calc(var(--c) * 1.5); padding: 0 calc(var(--c) * .75); font-size: 15px; }
.btn--xs { height: var(--c); padding: 0 calc(var(--c) / 2); font-size: 13px; border-radius: 6px; }
.btn--paper { background: var(--paper); color: var(--cover); border-color: var(--paper); }
.btn--paper:hover { background: #fff; }
.btn--ghost { background: transparent; color: var(--cover-ink); border-color: var(--cover-soft); }
.btn--ghost:hover { border-color: var(--cover-ink); background: rgba(255, 255, 255, .06); }
.btn[disabled] { opacity: .55; cursor: progress; }

/* ---------- Primera hoja ---------- */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: calc(var(--c) * 2);
    padding-top: calc(var(--c) * 3);
    padding-bottom: calc(var(--c) * 3);
}
.hero__title {
    grid-column: 1 / -1;
    margin: 0 0 calc(var(--c) * 2);
    max-width: 17ch;
    font-size: clamp(44px, 6.6vw, 88px);
    line-height: calc(var(--c) * 4);
    font-weight: 800;
    letter-spacing: -.035em;
    color: var(--ink-deep);
    text-wrap: balance;
}
.hero__aside {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 34rem) auto;
    gap: var(--c) calc(var(--c) * 3);
    align-items: start;
    margin-bottom: calc(var(--c) * 3);
}
.hero__lead { margin: 0; font-size: 18px; color: var(--text-soft); max-width: 60ch; }
.hero__aside .actions { align-self: start; }
.hand--note { grid-column: 2; margin: 0; font-size: 20px; transform: rotate(-2deg); transform-origin: left; }

@media (max-width: 1080px) {
    .hero__title { line-height: calc(var(--c) * 3); }
    .hero__aside { grid-template-columns: 1fr; }
    .hand--note { grid-column: 1; }
}
@media (max-width: 720px) {
    .hero { padding-top: calc(var(--c) * 2); }
    .hero__title { font-size: clamp(36px, 10vw, 52px); line-height: calc(var(--c) * 2.5); }
    .hero__lead { font-size: 17px; }
}

/* ---------- Registro de ventas ---------- */
.ledger {
    grid-column: 1 / -1;
    position: relative;
    background: rgba(255, 255, 255, .55);
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 0 20px 40px -24px rgba(16, 40, 140, .35);
}
.ledger__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: calc(var(--c) / 2) var(--c);
    padding: calc(var(--c) / 2) var(--c);
    border-bottom: 2px solid var(--ink);
}
.ledger__title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 var(--c); }
.ledger__name { font-weight: 700; font-size: 18px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-deep); }
.ledger__date { color: var(--text-soft); }
.ledger__date .hand { font-size: 18px; }

.tabs { display: flex; gap: calc(var(--c) / 2); }
.tab {
    position: relative;
    background: none;
    border: 0;
    padding: 0 calc(var(--c) * .75);
    height: calc(var(--c) * 2);
    font: 600 15px/1 var(--f-display);
    color: var(--text-soft);
    cursor: pointer;
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink-deep); }
.tab__ring {
    position: absolute;
    inset: 2px -6px;
    width: calc(100% + 12px);
    height: calc(100% - 4px);
    overflow: visible;
    pointer-events: none;
}
.tab__ring path {
    fill: none;
    stroke: var(--ink);
    stroke-width: 2.2;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    transition: stroke-dashoffset .55s var(--ease);
}
.tab[aria-selected="true"] .tab__ring path { stroke-dashoffset: 0; }

.ledger__view { overflow-x: auto; }

.book { width: 100%; border-collapse: collapse; }
.book th, .book td {
    height: calc(var(--c) * 2);
    padding: 0 var(--c);
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--grid);
}
.book th {
    height: calc(var(--c) * 1.5);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-soft);
    border-bottom: 1px solid var(--margin);
}
.book .num { text-align: right; }
.book td.hand { font-size: 19px; }
.book td.num { font-family: var(--f-hand); font-size: 19px; color: var(--ink); }

/* Lo más reciente, la tinta más oscura */
.book .age-3 { opacity: .42; }
.book .age-2 { opacity: .6; }
.book .age-1 { opacity: .8; }
.book .age-0 td.hand, .book .age-0 td.num { color: var(--ink-deep); font-weight: 700; }
.book tr:last-child td { border-bottom: 0; }

.mini-stamp {
    display: inline-block;
    padding: 0 6px;
    line-height: 18px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ok);
    border: 1.5px solid currentColor;
    border-radius: 3px;
    transform: rotate(-4deg);
}

.status { position: relative; min-width: calc(var(--c) * 7); }
.stamp {
    position: absolute;
    left: var(--c);
    top: 50%;
    padding: 2px 10px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ok);
    border: 2.5px solid currentColor;
    border-radius: 4px;
    opacity: 0;
    transform: translateY(-50%) rotate(-7deg) scale(1.8);
    filter: blur(2px);
    pointer-events: none;
}
.is-done .stamp {
    opacity: .95;
    transform: translateY(-50%) rotate(-7deg) scale(1);
    filter: blur(0);
    transition: transform .45s var(--ease), opacity .2s linear, filter .3s var(--ease);
}
.is-done [data-emit] { visibility: hidden; }

.code-pair { display: grid; grid-template-columns: 1fr 1fr; }
.code {
    margin: 0;
    padding: var(--c);
    font: 400 13.5px/var(--c) var(--f-mono);
    color: var(--ink-deep);
    white-space: pre;
    overflow-x: auto;
}
.code--answer { border-left: 1px solid var(--margin); }
.code--answer .btn { font-family: var(--f-display); }
.c-mute { color: var(--ink-soft); }
.answer { margin: 0; font: inherit; white-space: pre; }
.answer b { color: var(--ok); }
.answer:not([hidden]) { animation: write .7s var(--ease) both; }
@keyframes write { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }

@media (max-width: 860px) {
    .code-pair { grid-template-columns: 1fr; }
    .code--answer { border-left: 0; border-top: 1px solid var(--margin); }
}

.fold {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: calc(var(--c) / 2) var(--c);
    padding: calc(var(--c) / 2) var(--c);
    border-top: 2px dashed var(--ink-soft);
    background: #eef3fe;
}
.fold:not([hidden]) { animation: unfold .6s var(--ease) both; }
@keyframes unfold { from { clip-path: inset(0 0 100% 0); opacity: .3; } to { clip-path: inset(0); opacity: 1; } }
.fold__line { margin: 0; font-weight: 700; color: var(--ok); }
.fold__files { display: flex; flex-wrap: wrap; gap: calc(var(--c) / 2); margin: 0; padding: 0; list-style: none; }
.fold__files li {
    padding: 0 calc(var(--c) / 2);
    border: 1.5px solid var(--ink);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    background: var(--paper);
}
.fold .link-ink { margin-left: auto; }

.ledger__foot {
    margin: 0;
    padding: calc(var(--c) / 2) var(--c);
    font-size: 13px;
    color: var(--text-soft);
    border-top: 1px solid var(--grid);
}

/* ---------- Bloques ---------- */
.block { padding-top: calc(var(--c) * 4); padding-bottom: calc(var(--c) * 2); }
.h2 {
    margin: 0 0 calc(var(--c) * 2);
    max-width: 24ch;
    font-size: clamp(30px, 3.6vw, 46px);
    line-height: calc(var(--c) * 2);
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--ink-deep);
    text-wrap: balance;
}
.h3 { margin: 0; font-size: 26px; line-height: calc(var(--c) * 1.5); font-weight: 800; letter-spacing: -.02em; color: var(--ink-deep); }
.h4 { margin: 0 0 calc(var(--c) / 2); font-size: 19px; line-height: var(--c); font-weight: 700; color: var(--ink-deep); }
.block__lead { margin: calc(var(--c) * -1) 0 calc(var(--c) * 2); max-width: 62ch; color: var(--text-soft); font-size: 17px; }

@media (max-width: 720px) {
    .block { padding-top: calc(var(--c) * 3); }
    .h2 { line-height: calc(var(--c) * 2); font-size: 28px; }
}

/* Índice */
.index { display: grid; grid-template-columns: 1fr 1fr; gap: var(--c) calc(var(--c) * 4); }
.index__head {
    margin: 0 0 var(--c);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--margin);
}
.leaders { margin: 0; padding: 0; list-style: none; }
.leaders li { display: flex; align-items: baseline; gap: calc(var(--c) / 2); height: calc(var(--c) * 2); font-size: 19px; font-weight: 500; }
.leaders li::after { content: ""; order: 1; flex: 1; border-bottom: 2px dotted var(--ink-soft); transform: translateY(-5px); }
.leaders b { order: 2; color: var(--ink); font-weight: 600; }

.ticks { margin: 0; padding: 0; list-style: none; }
.ticks li { position: relative; padding: calc(var(--c) / 2) 0 calc(var(--c) / 2) calc(var(--c) * 1.5); }
.ticks li::before {
    content: "";
    position: absolute;
    left: 0;
    top: calc(var(--c) / 2);
    width: var(--c);
    height: var(--c);
    background: var(--ink);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4.5 12.8c1.6 1.4 3.1 3 4.4 4.9 2.6-4.6 6-8.7 10.6-12' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 80% no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4.5 12.8c1.6 1.4 3.1 3 4.4 4.9 2.6-4.6 6-8.7 10.6-12' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 80% no-repeat;
}
.ticks code { font-family: var(--f-mono); font-size: .875em; color: var(--ink-deep); }

@media (max-width: 860px) {
    .index { grid-template-columns: 1fr; }
}

/* Dos páginas sobre un mismo lomo */
.spread {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: rgba(255, 255, 255, .5);
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 0 20px 40px -24px rgba(16, 40, 140, .35);
}
.page { display: flex; flex-direction: column; align-items: flex-start; gap: var(--c); padding: calc(var(--c) * 2); min-width: 0; }
.page--right {
    background: linear-gradient(90deg, rgba(17, 32, 74, .1), transparent calc(var(--c) * 1.5));
    border-left: 2px solid var(--ink);
}
.page > .h3 + .page__who { margin-top: calc(var(--c) * -1); }
.page__who { margin: 0; font-size: 19px; }
.page .ticks { align-self: stretch; }
.page .btn { margin-top: auto; }
.code--small {
    align-self: stretch;
    padding: var(--c);
    background: var(--cover);
    color: var(--cover-ink);
    border-radius: 4px;
    font-size: 13px;
}

@media (max-width: 860px) {
    .spread { grid-template-columns: 1fr; }
    .page { padding: var(--c); }
    .page--right { border-left: 0; border-top: 2px solid var(--ink); background: linear-gradient(180deg, rgba(17, 32, 74, .1), transparent calc(var(--c) * 1.5)); }
}

/* Pasos */
.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--c) * 2); }
.steps li { counter-increment: step; position: relative; padding-top: calc(var(--c) * 3); }
.steps li::before {
    content: counter(step);
    position: absolute;
    top: 0;
    left: 0;
    width: calc(var(--c) * 2);
    height: calc(var(--c) * 2);
    display: grid;
    place-items: center;
    font: 700 26px/1 var(--f-hand);
    color: var(--ink);
    border: 2px solid var(--ink);
    border-radius: 50% 46% 52% 48%;
    transform: rotate(-6deg);
}
.steps p { margin: 0; color: var(--text-soft); max-width: 40ch; }

@media (max-width: 860px) {
    .steps { grid-template-columns: 1fr; gap: calc(var(--c) * 1.5); }
}

/* ---------- Planes: columnas idénticas del registro ---------- */
.plans {
    display: grid;
    grid-template-columns: minmax(calc(var(--c) * 10), 1.3fr) repeat(var(--plans), minmax(0, 1fr));
    grid-template-rows: auto repeat(calc(var(--rows) - 1), auto);
    background: rgba(255, 255, 255, .55);
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 0 20px 40px -24px rgba(16, 40, 140, .35);
}
.plans__labels, .plan {
    display: grid;
    grid-row: 1 / span var(--rows);
    grid-template-rows: subgrid;
}
.plans__labels span, .plan__cell {
    margin: 0;
    display: flex;
    align-items: center;
    min-height: calc(var(--c) * 2);
    padding: 0 var(--c);
    border-bottom: 1px solid var(--grid);
}
.plans__labels span { font-size: 14px; color: var(--text-soft); }
.plans__labels span:first-child { align-items: flex-end; padding-bottom: var(--c); }
.plan { border-left: 1px solid var(--margin); }
.plan__cell { justify-content: center; text-align: center; }
.plan__head { flex-direction: column; justify-content: flex-end; gap: 0; padding-top: var(--c); padding-bottom: var(--c); }
.plan__name { margin: 0; font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-soft); }
.plan__price { margin: calc(var(--c) / 2) 0 0; font: 700 40px/calc(var(--c) * 2) var(--f-hand); color: var(--ink-deep); white-space: nowrap; }
.plan__cur { font-size: .5em; margin-right: 2px; vertical-align: .55em; }
.plan__per { font-size: .4em; color: var(--text-soft); font-weight: 400; }
.plan__desc { margin: 0; font-size: 13px; line-height: 18px; color: var(--text-soft); }
.plan .num { font-family: var(--f-hand); font-size: 20px; color: var(--ink); }
.plan .lbl { display: none; }
.plan__cta { border-bottom: 0; padding-top: var(--c); padding-bottom: var(--c); }
.plans__labels span:last-child { border-bottom: 0; }
.ico--ok { color: var(--ok); width: 26px; height: 26px; }
.ico--no { color: #9aa6c4; width: 22px; height: 22px; }
.plans__pay { margin: var(--c) 0 0; color: var(--text-soft); font-size: 15px; }

@media (max-width: 960px) {
    .plans { display: block; background: none; border: 0; box-shadow: none; }
    .plans__labels { display: none; }
    .plan {
        display: block;
        margin-bottom: var(--c);
        background: rgba(255, 255, 255, .6);
        border: 2px solid var(--ink);
        border-radius: 4px;
    }
    .plan__cell { justify-content: space-between; text-align: left; gap: var(--c); }
    .plan__head { align-items: flex-start; }
    .plan .lbl { display: block; font-size: 14px; color: var(--text-soft); }
    .plan__cta { justify-content: flex-start; }
}

/* ---------- Preguntas ---------- */
.faq { max-width: calc(var(--c) * 36); border-top: 1px solid var(--margin); }
.faq details { border-bottom: 1px solid var(--grid); }
.faq summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--c);
    min-height: calc(var(--c) * 2.5);
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 28px/1 var(--f-hand); color: var(--ink); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--ink); }
.faq p { margin: 0 0 var(--c); max-width: 64ch; color: var(--text-soft); }

/* ---------- Contratapa ---------- */
.cover {
    position: relative;
    z-index: 2;
    margin-top: calc(var(--c) * 4);
    background: var(--cover);
    color: var(--cover-ink);
    border-top: 6px solid var(--ink);
}
.cover__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: calc(var(--c) * 2) calc(var(--c) * 3);
    padding-top: calc(var(--c) * 4);
    padding-bottom: calc(var(--c) * 2);
}
.cover__title {
    margin: 0 0 calc(var(--c) * 2);
    max-width: 14ch;
    font-size: clamp(36px, 5vw, 64px);
    line-height: calc(var(--c) * 3);
    font-weight: 800;
    letter-spacing: -.035em;
    text-wrap: balance;
}
.codes { border-collapse: collapse; align-self: start; width: 100%; max-width: calc(var(--c) * 14); justify-self: end; border: 1.5px solid var(--cover-soft); }
.codes caption { text-align: left; padding-bottom: calc(var(--c) / 2); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--cover-soft); }
.codes th, .codes td { height: calc(var(--c) * 1.5); padding: 0 calc(var(--c) / 2); border-bottom: 1px solid rgba(169, 182, 220, .35); text-align: left; font-size: 15px; }
.codes th { width: calc(var(--c) * 3); font-family: var(--f-mono); font-weight: 600; color: #fff; border-right: 1px solid rgba(169, 182, 220, .35); }
.codes td { color: var(--cover-soft); }
.cover__links { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: var(--c) calc(var(--c) * 1.5); padding-top: var(--c); border-top: 1px solid rgba(169, 182, 220, .35); }
.cover__links a { color: var(--cover-ink); text-decoration: none; font-weight: 500; }
.cover__links a:hover { text-decoration: underline; }
.cover__legal { grid-column: 1 / -1; margin: 0; font-size: 13px; color: var(--cover-soft); }
.cover :focus-visible { outline-color: #fff; }

@media (max-width: 860px) {
    .cover__inner { grid-template-columns: 1fr; padding-top: calc(var(--c) * 3); }
    .codes { justify-self: start; }
    .cover__title { line-height: calc(var(--c) * 2.5); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

[hidden] { display: none !important; }
.tab { white-space: nowrap; }

/* Registro en móvil: cada venta en dos renglones, sin desplazamiento lateral */
@media (max-width: 720px) {
    .ledger__head { padding-inline: calc(var(--c) * .75); }
    .tab { padding: 0 calc(var(--c) / 2); font-size: 14px; }
    .book thead { display: none; }
    .book, .book tbody { display: block; }
    .book tr {
        display: grid;
        grid-template-columns: 1fr auto;
        column-gap: var(--c);
        padding: calc(var(--c) / 2) calc(var(--c) * .75);
        border-bottom: 1px solid var(--grid);
    }
    .book tr:last-child { border-bottom: 0; }
    .book td { height: auto; min-height: var(--c); padding: 0; border: 0; white-space: normal; display: flex; align-items: center; }
    .book td:first-child { display: none; }
    .book td.num { justify-content: flex-end; }
    .book td:nth-child(2) { grid-column: 1; grid-row: 1; }
    .book td.num { grid-column: 2; grid-row: 1; }
    .book td.hand { grid-column: 1; grid-row: 2; }
    .book td:last-child { grid-column: 2; grid-row: 2; justify-content: flex-end; }
    .status { min-width: calc(var(--c) * 6); }
    .stamp { left: auto; right: 0; font-size: 13px; }
}