/* ==========================================================================
   Sellos Mecánicos Lerma — Páginas de contenido (etapa 2)
   Viste las clases del marcado anterior (blog, marcas, servicios, fichas,
   catálogo, contacto, compra y legales) con el sistema del despiece.
   Requiere css/shell.css y css/lerma.css. Se carga de forma normal.
   ========================================================================== */

/* Alias de las variables del sistema anterior que aún usan algunos estilos en
   línea; resuelven a los tokens del despiece. */
:root {
  --color-base-dark: var(--l-ink);
  --color-text-muted: var(--l-ink-2);
  --ink-muted: var(--l-ink-2);
  --ink-accent: var(--l-blue);
  --color-accent: var(--l-blue);
  --color-accent-dark: var(--l-blue-deep);
  --border-subtle: var(--l-rule);
  --color-border: var(--l-rule);
  --color-bg-section: var(--l-paper-2);
  --shadow-card: none;
  --space-1: .5rem;
  --space-2: 1rem;
  --fs-md: 1.125rem;
}

/* ── Retícula base ───────────────────────────────────────────────────────── */
.container { width: 100%; max-width: 1360px; margin-inline: auto; padding-inline: var(--gutter); }

.grid { display: grid; gap: 2rem; }
@media (min-width: 720px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.flex { display: flex; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-sm { gap: .75rem; }
.mt-md { margin-top: 2rem; }
.mb-sm { margin-bottom: .75rem; }
.mb-md { margin-bottom: 1.5rem; }
.text-muted { color: var(--l-ink-2); }
.text-center { text-align: center; }
.rounded { border-radius: 0; }
.divider { display: none; }

/* ── Migas ───────────────────────────────────────────────────────────────── */
.breadcrumb { font-size: .9375rem; color: var(--l-ink-2); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; list-style: none; }
.breadcrumb li + li::before { content: "/"; margin-right: .4rem; color: var(--l-rule); }
.breadcrumb a { color: var(--l-ink-2); }
.breadcrumb [aria-current] { color: var(--l-ink); }

/* ── Botones del marcado anterior ────────────────────────────────────────── */
.btn--dark, .btn--outline { background: var(--l-sheet); border-color: var(--l-ink); color: var(--l-ink); }
.btn--dark:hover, .btn--outline:hover { background: var(--l-paper-2); color: var(--l-ink); }
.btn--sm { min-height: 44px; padding: .5rem 1rem; font-size: 1.0625rem; }
.btn--full { width: 100%; }
.btn--wa { background: var(--l-blue); border-color: var(--l-blue); color: #fff; }
.btn--wa:hover { background: var(--l-blue-deep); border-color: var(--l-blue-deep); color: #fff; }

/* ── Encabezado de página: hoja de línea ─────────────────────────────────── */
.page-hero {
  background: var(--l-sheet);
  border-bottom: var(--l-line) solid var(--l-ink);
  padding-block: 1.5rem clamp(2.5rem, 2rem + 2vw, 3.5rem);
}
.page-hero h1 { margin: 1.25rem 0 1rem; font-size: clamp(2.375rem, 1.5rem + 3vw, 4rem); }
.page-hero p { max-width: 52ch; font-size: clamp(1.125rem, 1.05rem + .35vw, 1.3125rem); line-height: 1.5; color: var(--l-ink); }
/* El encabezado anterior usa un flex en línea: en pantallas angostas se apila */
@media (max-width: 719px) {
  .page-hero .container > [style*="display:flex"] { flex-direction: column; align-items: flex-start !important; }
  .page-hero .container > [style*="display:flex"] > * { width: 100%; }
}
.page-hero img { max-height: 64px; width: auto; }

/* ── Hojas y marcos ──────────────────────────────────────────────────────── */
.section {
  position: relative;
  padding-block: clamp(4rem, 3rem + 4vw, 6.5rem) clamp(3.5rem, 2.5rem + 3vw, 5rem);
  background: var(--l-sheet);
  border-bottom: 1px solid var(--l-rule);
}
.section--gray { background: var(--l-paper); }
.section > .container { position: relative; }
.section h2 { margin-bottom: 1.25rem; }
.section__header { display: grid; gap: .75rem; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3rem); }
.section__header h2 { margin-bottom: 0; }
.section__header p { margin: 0; font-size: 1.125rem; color: var(--l-ink-2); }

/* ── Bloques de contenido ────────────────────────────────────────────────── */
.service-card, .card {
  background: none;
  border: 0;
  border-top: var(--l-line) solid var(--l-ink);
  padding: 1.1rem 0 .5rem;
}
.service-card h3, .service-card h4, .card h3 { margin: 0 0 .5rem; font-family: var(--l-f-cond); font-weight: 800; font-size: 1.375rem; line-height: 1.3; }
.service-card p, .card p { color: var(--l-ink-2); }
.service-card__icon { display: none; }
.card__body { padding: 0; }
.card__badge, .tag {
  display: inline-block;
  padding: .3rem .55rem;
  border: 1px solid var(--l-rule);
  font-family: var(--l-f-mono);
  font-size: .75rem;
  line-height: 1.2;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--l-ink-2);
}
.tag--accent { border-color: var(--l-ink); color: var(--l-ink); }

.highlight-box {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--l-sheet);
  border: var(--l-line) solid var(--l-ink);
}
.highlight-box h3 { margin-bottom: .5rem; font-size: 1.375rem; }
.highlight-box p:last-child { margin-bottom: 0; }

.icon-list { list-style: none; margin: 0 0 1.25rem; padding: 0; max-width: 65ch; }
.icon-list li { position: relative; padding: .55rem 0 .55rem 1.4rem; border-bottom: 1px solid var(--l-rule-soft); }
.icon-list li::before { content: ""; position: absolute; left: 0; top: 1.15em; width: .6rem; height: 2px; background: var(--l-blue); }
.icon-list--cols { max-width: none; columns: 3 15rem; column-gap: 2.5rem; margin-top: 1rem; }
.icon-list--cols li { break-inside: avoid; }

.steps { list-style: none; margin: 0; padding: 0; counter-reset: paso; border-top: var(--l-line) solid var(--l-ink); }
.step { display: grid; grid-template-columns: 2.75rem 1fr; gap: .9rem; padding: 1rem 0; counter-increment: paso; border-bottom: 1px solid var(--l-rule); }
.step__number {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1.5px solid var(--l-ink);
  font-family: var(--l-f-mono);
  font-size: .875rem;
}
.step__number:empty::before { content: counter(paso); }
.step__content h3 { margin-bottom: .35rem; font-size: 1.25rem; }
.step__content p { margin: 0; color: var(--l-ink-2); }

.safety-warning {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: start;
  margin: 1.75rem 0;
  padding: 1.1rem 1.25rem;
  background: var(--l-sheet);
  border: var(--l-line) solid var(--l-ink);
}
.safety-warning__icon {
  width: 26px;
  height: 24px;
  margin-top: .15rem;
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 26 24'%3E%3Cpath d='M13 1.5 24.5 22.5H1.5Z' fill='%23F8D217' stroke='%23101114' stroke-width='1.6' stroke-linejoin='round'/%3E%3Cpath d='M13 8.5v7' stroke='%23101114' stroke-width='2' stroke-linecap='round'/%3E%3Ccircle cx='13' cy='18.6' r='1.2' fill='%23101114'/%3E%3C/svg%3E");
}
.safety-warning p { margin: 0; }

/* Tablas del sistema en secciones y pestañas */
:where(.section, .brand-tab-panel) table:not(.parts) { width: 100%; border-collapse: collapse; border-top: var(--l-line) solid var(--l-ink); font-variant-numeric: tabular-nums; }
:where(.section, .brand-tab-panel) table:not(.parts) th { padding: .6rem .75rem; border-bottom: 1px solid var(--l-ink); font-family: var(--l-f-mono); font-weight: 500; font-size: .75rem; text-align: left; color: var(--l-ink-2); }
:where(.section, .brand-tab-panel) table:not(.parts) td { padding: .75rem; border-bottom: 1px solid var(--l-rule); vertical-align: top; }

/* ── Cierre del marcado anterior ─────────────────────────────────────────── */
.cta-banner {
  padding-block: clamp(3rem, 2rem + 3vw, 4.5rem);
  background: var(--l-paper);
  border-bottom: 1px solid var(--l-rule);
}
.cta-banner > .container {
  max-width: calc(1360px - 2 * var(--gutter));
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  background: var(--l-sheet);
  border: var(--l-line) solid var(--l-ink);
}
.cta-banner h2 { margin-bottom: .75rem; }
.cta-banner p { font-size: 1.125rem; color: var(--l-ink-2); }
.cta-banner .flex-center { justify-content: flex-start; }
.cta-banner .flex-center > .btn:first-child { background: var(--l-blue); border-color: var(--l-blue); color: #fff; }
.cta-banner .flex-center > .btn:first-child:hover { background: var(--l-blue-deep); border-color: var(--l-blue-deep); color: #fff; }
@media (max-width: 719px) {
  .cta-banner > .container { width: calc(100% - 2 * var(--gutter)); }
}

/* ── Artículo técnico (modo lectura) ─────────────────────────────────────── */
main > .container > .breadcrumb { padding-top: 1.5rem; }
article > header h1 {
  font-size: clamp(2.125rem, 1.5rem + 2.4vw, 3.5rem);
  line-height: .98;
  margin-bottom: 1rem;
}
.article-meta { display: flex; flex-wrap: wrap; gap: .35rem 1.25rem; font-size: .9375rem; color: var(--l-ink-2); }
.article-hero-img { display: block; width: 100%; height: auto; margin-top: 1.75rem; border: 1px solid var(--l-rule); }
.fig-cap { margin: .6rem 0 0; max-width: none; font-family: var(--l-f-mono); font-size: .8125rem; line-height: 1.5; color: var(--l-ink-2); }
.article-body { margin-top: 2.5rem; }
.article-body h2 {
  margin: 2.75rem 0 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--l-rule);
  font-size: clamp(1.625rem, 1.3rem + 1.2vw, 2.125rem);
  line-height: 1.12;
  text-transform: none;
}
.article-body h3 { margin: 1.75rem 0 .6rem; font-size: 1.375rem; line-height: 1.3; }
.article-body ul, .article-body ol { max-width: 62ch; margin: 0 0 1.25rem; padding-left: 1.4rem; }
.article-body li::marker { color: var(--l-blue); }
.article-body img { height: auto; border: 1px solid var(--l-rule); }
.article-body table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  border-top: var(--l-line) solid var(--l-ink);
  font-size: .9375rem;
  font-variant-numeric: tabular-nums;
}
.article-body th {
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--l-ink);
  font-family: var(--l-f-mono);
  font-weight: 500;
  font-size: .75rem;
  text-align: left;
  color: var(--l-ink-2);
  vertical-align: bottom;
}
.article-body td { padding: .75rem; border-bottom: 1px solid var(--l-rule); vertical-align: top; }
.article-body blockquote { margin: 1.5rem 0; padding: 1rem 1.25rem; border: 1px solid var(--l-rule); background: var(--l-sheet); }

.article-cta {
  margin: 2.75rem 0;
  padding: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  background: var(--l-sheet);
  border: var(--l-line) solid var(--l-ink);
}
.article-cta h3 { margin-bottom: .5rem; font-size: 1.5rem; }
.article-cta p { color: var(--l-ink-2); }

.faq-list { margin-top: 1rem; border-top: var(--l-line) solid var(--l-ink); }

/* Artículos relacionados y blog: renglones de hoja técnica, no tarjetas */
.related-articles { margin: 3.5rem 0 4rem; padding-top: 1.5rem; border-top: var(--l-line) solid var(--l-ink); }
.related-articles > h2 { margin-bottom: .5rem; font-size: clamp(1.625rem, 1.3rem + 1.2vw, 2.125rem); text-transform: none; }
.related-articles .grid { gap: 0 2.5rem; }
.blog-card { position: relative; background: none; border: 0; border-bottom: 1px solid var(--l-rule); }
.blog-card__body { padding: 1.1rem 0; }
.blog-card__meta { display: flex; flex-wrap: wrap; gap: .25rem 1rem; margin-bottom: .35rem; font-size: .875rem; color: var(--l-ink-2); }
.blog-card h2, .blog-card h3 { margin: 0 0 .4rem; font-size: 1.3125rem; line-height: 1.3; text-transform: none; }
.blog-card h2 a, .blog-card h3 a { color: var(--l-ink); text-decoration: none; }
.blog-card h2 a::after, .blog-card h3 a::after { content: ""; position: absolute; inset: 0; }
.blog-card:hover h2 a, .blog-card:hover h3 a { color: var(--l-blue); }
.blog-card p { margin: 0; color: var(--l-ink-2); }
.blog-card .btn { display: none; }
.blog-card__img-wrap img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--l-rule); }

.blog-grid { display: grid; gap: 0; border-top: var(--l-line) solid var(--l-ink); }
.blog-grid .blog-card { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 1rem; align-items: start; padding: 1.1rem 0; }
.blog-grid .blog-card__body { padding: 0; }
@media (min-width: 720px) {
  .blog-grid .blog-card { grid-template-columns: 13rem minmax(0, 1fr); gap: 1.75rem; padding: 1.4rem 0; }
  .blog-grid .blog-card h2, .blog-grid .blog-card h3 { font-size: 1.5rem; }
}

/* ── Catálogo ────────────────────────────────────────────────────────────── */
.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }
.filter-btn {
  min-height: 44px;
  padding: .5rem 1rem;
  border: 1px solid var(--l-rule);
  background: var(--l-sheet);
  color: var(--l-ink);
  font-family: var(--l-f-cond);
  font-weight: 700;
  font-size: 1.0625rem;
  cursor: pointer;
  transition: background-color 180ms var(--l-ease);
}
.filter-btn:hover { background: var(--l-paper-2); }
.filter-btn.active, .filter-btn[aria-pressed="true"] { border-style: solid; border-color: var(--l-ink); background: var(--l-marker); }
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--l-sheet);
  border: 1px solid var(--l-rule);
}
.product-card.is-filtrada { display: none; }
.product-card__img-wrap { aspect-ratio: 4 / 3; overflow: hidden; background: var(--l-paper-2); border-bottom: 1px solid var(--l-rule); }
.product-card__img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { display: flex; flex: 1; flex-direction: column; padding: 1rem 1.1rem 1.25rem; }
.product-card__meta { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .6rem; }
.product-card h3 { margin-bottom: .45rem; font-size: 1.3125rem; line-height: 1.3; }
.product-card p { color: var(--l-ink-2); }
.product-card .btn { margin-top: auto; align-self: flex-start; }

/* ── Formularios ─────────────────────────────────────────────────────────── */
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 4rem; } }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; margin-bottom: .35rem; font-weight: 600; }
.form-control {
  width: 100%;
  min-height: 48px;
  padding: .7rem .85rem;
  border: 1px solid var(--l-ink-2);
  border-radius: 0;
  background: var(--l-sheet);
  color: var(--l-ink);
  font: inherit;
}
.form-control::placeholder { color: #6B7079; }
.form-control:focus { outline: 2.5px solid var(--l-blue); outline-offset: 1px; border-color: var(--l-ink); }
textarea.form-control { min-height: 9rem; resize: vertical; }
select.form-control { appearance: auto; }
.required { color: var(--l-blue); }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-error { display: none; margin-top: .35rem; font-size: .875rem; color: #A1261B; }
.form-error.visible { display: block; }
.field-error { margin: .35rem 0 0; font-size: .875rem; color: #A1261B; }
.form-control.invalid { border-color: #A1261B; }
.form-feedback { margin-top: 1rem; }
.form-feedback.success, .form-feedback.error { padding: .9rem 1.1rem; border: var(--l-line) solid var(--l-ink); background: var(--l-sheet); }
.form-feedback.error { border-color: #A1261B; }

.contact-info__item { display: block; padding: 1rem 0; border-bottom: 1px solid var(--l-rule); }
.contact-info__item:first-child { border-top: var(--l-line) solid var(--l-ink); }
.contact-info__icon { display: none; }
.contact-info__item strong { display: block; margin-bottom: .25rem; font-family: var(--l-f-cond); font-weight: 800; font-size: 1.125rem; text-transform: uppercase; }
iframe.map-embed, .map-embed iframe { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; border: 1px solid var(--l-rule); }

.order-summary {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  padding: 1.25rem;
  background: var(--l-sheet);
  border: var(--l-line) solid var(--l-ink);
}
.order-summary img { width: 96px; height: 96px; object-fit: cover; border: 1px solid var(--l-rule); }
.price { margin: 0 0 .25rem; font-family: var(--l-f-cond); font-weight: 800; font-size: 1.75rem; line-height: 1.1; font-variant-numeric: tabular-nums; }

/* ── Marcas: pestañas ────────────────────────────────────────────────────── */
.brand-tabs-nav { display: flex; flex-wrap: wrap; border-bottom: var(--l-line) solid var(--l-ink); }
.brand-tab-btn {
  min-height: 48px;
  padding: .6rem 1.15rem;
  border: 0;
  border-right: 1px solid var(--l-rule);
  background: none;
  color: var(--l-ink-2);
  font-family: var(--l-f-cond);
  font-weight: 700;
  font-size: 1.125rem;
  cursor: pointer;
}
.brand-tab-btn:hover { color: var(--l-ink); background: var(--l-paper-2); }
.brand-tab-btn[aria-selected="true"] { background: var(--l-marker); color: var(--l-ink); }
.brand-tab-panel { padding-top: 2rem; }
.brand-logo-large { max-height: 64px; width: auto; }
.badge-lerma {
  display: inline-block;
  padding: .3rem .55rem;
  border: 1px solid var(--l-ink);
  font-family: var(--l-f-mono);
  font-size: .75rem;
  text-transform: uppercase;
}

/* ── Documentos legales ──────────────────────────────────────────────────── */
nav.breadcrumb > .container { padding-top: 1.5rem; }
.container.doc-legal { max-width: 1360px; }
.doc-legal h1 { font-size: clamp(2.125rem, 1.5rem + 2.4vw, 3.25rem); margin-bottom: 1rem; }
.doc-legal h2 { margin: 2.25rem 0 .75rem; padding-top: 1rem; border-top: 1px solid var(--l-rule); font-size: 1.5rem; line-height: 1.3; text-transform: none; }
.doc-legal h3 { margin: 1.5rem 0 .5rem; font-size: 1.25rem; }
.doc-legal ul, .doc-legal ol { margin: 0 0 1.25rem; padding-left: 1.4rem; max-width: 62ch; }