/* ==========================================================================
   ALLIANCE AGRO — Hoja de estilos principal
   Diseño B2B, responsivo, con soporte RTL para árabe.
   ========================================================================== */

:root {
  /* Paleta derivada del logo ALLIANCE AGRO */
  --color-navy: #2f3b63;       /* Azul "ALLIANCE" */
  --color-navy-dark: #232c4a;
  --color-green: #1f5f43;      /* Verde "AGRO" */
  --color-green-dark: #163f2d;
  --color-teal: #2f9e8f;       /* Degradado del símbolo A */
  --color-teal-dark: #1f6e63;
  --color-bronze: #a9895c;     /* Línea divisoria del logo */
  --color-bg: #f7f8f5;
  --color-bg-alt: #eef1ea;
  --color-surface: #ffffff;
  --color-ink: #232722;
  --color-ink-soft: #565f57;
  --color-border: #dfe3da;
  --color-danger: #a13d2d;

  --font-heading: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 10px rgba(35, 39, 34, 0.06);
  --shadow-md: 0 10px 30px rgba(35, 39, 34, 0.10);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* Nunca deshabilitar el pinch-zoom del usuario: no se usa
     "user-scalable=no" ni "maximum-scale" en la etiqueta viewport. */
}

/* Cualquier texto largo (URLs, resúmenes) debe envolver en vez de desbordar */
p, .summary-card__body, .form-hint, .notice-box { overflow-wrap: anywhere; word-break: break-word; }

/* Tablas anchas: scroll horizontal contenido dentro de un wrapper, en vez
   de desbordar la página o cortar contenido. */
.spec-table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--color-ink-soft); }

a { color: var(--color-green); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  /* Oculto mediante el mismo patrón que .visually-hidden (recorte a 1px),
     NO con un offset físico grande ("left: -999px"): ese offset, en
     cualquier dirección, ampliaba el scrollWidth del documento completo
     y producía overflow horizontal severo en árabe (RTL), desplazando y
     recortando visualmente todo el contenido de la página. */
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  top: 0;
  inset-inline-start: 0;
  background: var(--color-navy);
  color: #fff;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  width: auto; height: auto;
  padding: 10px 16px;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-decoration: none;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--color-teal); outline-offset: 2px; }

.btn-primary { background: var(--color-green); color: #fff; }
.btn-primary:hover { background: var(--color-green-dark); }

.btn-secondary { background: var(--color-surface); color: var(--color-navy); border-color: var(--color-navy); }
.btn-secondary:hover { background: var(--color-navy); color: #fff; }

.btn-outline { background: transparent; color: var(--color-surface); border-color: var(--color-surface); }
.btn-outline:hover { background: var(--color-surface); color: var(--color-navy); }

.btn-whatsapp { background: #1f8a5f; color: #fff; }
.btn-whatsapp:hover { background: #176b49; }

.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(247, 248, 245, 0.92);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 40px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav__list {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
}
.main-nav__list a {
  color: var(--color-navy);
  font-weight: 600;
  font-size: 0.96rem;
}
.main-nav__list a:hover { color: var(--color-green); }
.main-nav__list a.is-active { color: var(--color-green); border-bottom: 2px solid var(--color-green); padding-bottom: 4px; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.lang-switcher { position: relative; }
.lang-switcher__toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-navy);
  cursor: pointer;
}
.lang-switcher__menu {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 190px;
  padding: 6px;
  display: none;
  z-index: 50;
}
.lang-switcher.is-open .lang-switcher__menu { display: block; }
.lang-switcher__menu a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--color-ink);
  font-size: 0.92rem;
  font-weight: 500;
}
.lang-switcher__menu a:hover { background: var(--color-bg-alt); text-decoration: none; }
.lang-switcher__menu a.is-current { color: var(--color-green); font-weight: 700; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { display:none; }
.nav-toggle svg { width: 22px; height: 22px; }

/* Objetivos táctiles mínimos de 44×44px en controles interactivos clave */
.lang-switcher__toggle { min-height: 44px; }
.lang-switcher__menu a { min-height: 44px; display: flex; align-items: center; }
.main-nav__list a { display: inline-flex; align-items: center; min-height: 44px; }
.btn { min-height: 44px; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 60%, var(--color-green-dark) 130%);
  color: #fff;
  padding: 72px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-teal);
  margin-bottom: 14px;
}
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero p.hero__lead { color: #e6e9df; font-size: 1.1rem; max-width: 46ch; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}
.hero__image img { width: 100%; height: 100%; object-fit: cover; }
.hero__note { margin-top: 16px; font-size: 0.82rem; color: #c7cdbb; }

/* ---------- Secciones genéricas ---------- */
.section { padding: 72px 0; }
.section--alt { background: var(--color-bg-alt); }
.section__head { max-width: 700px; margin: 0 0 40px; }
.section__head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: 10px;
  display: block;
}

/* ---------- Tarjetas de valor / proceso ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.value-card, .process-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
}
.value-card__icon, .process-card__num {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--color-bg-alt);
  color: var(--color-green);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.value-card__icon svg { width: 26px; height: 26px; }
.process-card__num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  background: var(--color-navy);
  color: #fff;
}

/* ---------- Tarjetas de producto ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.product-card__image { aspect-ratio: 4/3; overflow: hidden; background: var(--color-bg-alt); }
.product-card__image img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.product-card__tag {
  align-self: flex-start;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-teal-dark);
  background: rgba(47, 158, 143, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.product-card__body p { flex: 1; }
.product-card__link {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}

/* ---------- Ficha de producto ---------- */
.breadcrumb {
  font-size: 0.86rem;
  color: var(--color-ink-soft);
  padding: 18px 0 0;
}
.breadcrumb a { color: var(--color-ink-soft); font-weight: 600; }
.breadcrumb span[aria-hidden] { margin: 0 6px; }

.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  padding: 36px 0 60px;
  align-items: start;
}
.product-gallery__main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}
.product-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery__thumbs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.product-gallery__thumbs img {
  border-radius: 10px;
  aspect-ratio: 4/3;
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.image-caption { font-size: 0.78rem; color: var(--color-ink-soft); margin-top: 8px; }

.product-info__variety { color: var(--color-teal-dark); font-weight: 700; font-size: 1.05rem; margin-bottom: 6px; }
.product-info__origin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg-alt);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 18px;
}
.product-info__actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.notice-box {
  background: #fbf6ea;
  border: 1px solid #e7d9b3;
  border-inline-start: 4px solid var(--color-bronze);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 0.9rem;
  color: #5c4a26;
  margin: 18px 0;
}
.notice-box strong { color: #4a3b1c; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 6px;
  font-size: 0.94rem;
}
.spec-table th, .spec-table td {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  text-align: start;
}
.spec-table thead th {
  background: var(--color-navy);
  color: #fff;
  font-family: var(--font-heading);
}
.spec-table tbody tr:nth-child(even) { background: var(--color-bg-alt); }

.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.feature-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--color-ink-soft); }
.feature-list li svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--color-green); margin-top: 2px; }

.info-block { margin-bottom: 30px; }
.info-block h3 { margin-bottom: 12px; }

.availability-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(47, 158, 143, .12);
  color: var(--color-teal-dark);
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
}

/* ---------- Proceso comercial (línea de tiempo) ---------- */
.process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 10px; }

/* ---------- Formulario de solicitud ---------- */
.request-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.form-section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin: 28px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.form-section-title:first-child { margin-top: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-navy);
  margin-bottom: 6px;
}
.form-field .req-mark { color: var(--color-danger); margin-inline-start: 3px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  /* 16px mínimo: evita el zoom automático al enfocar en iOS Safari. */
  font-size: 16px;
  min-height: 44px;
  background: #fff;
  color: var(--color-ink);
}
.form-field textarea { min-height: 90px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-teal);
  outline-offset: 1px;
  border-color: var(--color-teal);
}
.form-field textarea { resize: vertical; min-height: 90px; }
.form-hint { font-size: 0.8rem; color: var(--color-ink-soft); margin-top: 4px; }
.form-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.summary-card {
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 30px;
  position: sticky;
  top: 100px;
}
.summary-card h3 { color: #fff; }
.summary-card__body {
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 16px;
  font-size: 0.88rem;
  white-space: pre-wrap;
  line-height: 1.55;
  max-height: 340px;
  overflow-y: auto;
  margin-bottom: 18px;
  font-family: 'Courier New', monospace;
}
.summary-card__empty { color: #b8c0ae; font-style: italic; font-family: var(--font-body); }
.summary-card__actions { display: grid; gap: 10px; }
.summary-note { font-size: 0.78rem; color: #c7cdbb; margin-top: 14px; }
.copy-feedback { font-size: 0.82rem; color: var(--color-teal); font-weight: 700; margin-top: 8px; display:none; }
.copy-feedback.is-visible { display: block; }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: start;
  box-shadow: var(--shadow-sm);
}
.contact-card svg { width: 30px; height: 30px; color: var(--color-green); margin-bottom: 14px; }
.contact-card a.big-link { font-size: 1.05rem; font-weight: 700; }

/* ---------- CTA final banda ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-green-dark), var(--color-green));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #dfe9dc; max-width: 60ch; margin-inline: auto 1em auto; }
.cta-band .hero__actions { justify-content: center; }

/* ---------- Avisos / páginas legales ---------- */
.legal-content h2 { margin-top: 2em; }
.legal-content ul { color: var(--color-ink-soft); }
.legal-updated { font-size: 0.85rem; color: var(--color-ink-soft); margin-bottom: 30px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: #cfd5c6;
  padding: 56px 0 26px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand img { height: 34px; margin-bottom: 14px; }
.footer-brand p { color: #aab29c; font-size: 0.9rem; max-width: 34ch; }
.footer-col h4 { color: #fff; font-size: 0.92rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: #cfd5c6; font-size: 0.92rem; }
.footer-col a:hover { color: #fff; }
.footer-corporate { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.footer-corporate img { height: 26px; background: #fff; padding: 4px 8px; border-radius: 6px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 22px;
  font-size: 0.82rem;
  color: #93998a;
}

/* ---------- Catálogo por categorías ---------- */
.catalog-category { margin-bottom: 48px; }
.catalog-category__title {
  font-size: 1.3rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 10px;
  margin-bottom: 24px;
}
.catalog-availability-note {
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  font-style: italic;
  margin-top: -4px;
}

/* ---------- Contacto: canales (correo / WhatsApp / WeChat) ---------- */
.contact-card--wechat-priority {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px rgba(47, 158, 143, 0.25);
}
.wechat-cta-btn {
  background: var(--color-surface);
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}
.wechat-cta-btn:hover { background: var(--color-navy); color: #fff; }

/* ---------- Modal accesible: QR de WeChat ---------- */
.wechat-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(35, 39, 34, 0.65);
  padding: 20px;
}
.wechat-modal.is-open { display: flex; }
.wechat-modal__dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 420px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-md);
}
.wechat-modal__close {
  position: absolute;
  top: 14px;
  inset-inline-end: 14px;
  width: 40px;
  height: 40px;
  min-width: 44px;
  min-height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Reserva espacio lógico para el botón de cerrar (44px + margen) en el
   lado "final" del título, para que no se superpongan a anchos angostos.
   padding-inline-end respeta LTR y RTL por igual (árabe incluido) sin
   necesidad de reglas separadas por dirección. */
.wechat-modal__dialog h3 {
  padding-inline-end: 52px;
}
.wechat-modal__qr-frame {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  justify-content: center;
  margin: 18px 0;
}
.wechat-modal__qr-frame img { width: 100%; max-width: 260px; height: auto; }
.wechat-modal__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.wechat-modal__note {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  margin-top: 12px;
}
.wechat-modal__hint-mobile { display: none; }
@media (max-width: 720px) {
  .wechat-modal__hint-mobile { display: block; }
}

/* ---------- Utilidades ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---------- RTL (árabe) ---------- */
[dir="rtl"] .form-field .req-mark { margin-inline-start: 3px; }
[dir="rtl"] .footer-corporate img { direction: ltr; }
/* IMPORTANTE: el resumen de solicitud en árabe permanece RTL como bloque
   (párrafo completo en árabe, de derecha a izquierda). Solo los tokens
   incrustados (teléfonos, URLs, códigos) se aíslan a LTR de forma puntual,
   ya sea mediante esta clase aplicada a un <span> específico, o mediante
   marcas Unicode de aislamiento (\u2066…\u2069) insertadas por JS alrededor
   de esos mismos tokens en texto plano. Nunca se aplica a todo el bloque. */
[dir="rtl"] .ltr-preserve {
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
}
.summary-card__body { unicode-bidi: plaintext; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__image { order: -1; }
  .grid-3, .grid-2, .product-grid, .contact-grid { grid-template-columns: 1fr 1fr; }
  .process-timeline { grid-template-columns: 1fr 1fr; }
  .product-hero { grid-template-columns: 1fr; }
  .request-layout { grid-template-columns: 1fr; }
  .summary-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* El menú compacto se activa por CSS hasta 720px como base segura; el
   JS de main.js además fuerza la clase .nav-compact cuando detecta, por
   medición real (ResizeObserver), que el contenido de navegación no cabe
   en el ancho disponible del header — cubre el caso de idiomas con
   etiquetas más largas (p. ej. ruso) que podrían desbordar antes de 720px. */
/* El menú desplegado se posiciona con la altura REAL del encabezado
   (variable --header-height, medida en píxeles por main.js vía
   offsetHeight y recalculada en load/resize) en vez de un valor fijo de
   70px, para que no quede ni superpuesto ni con un hueco cuando el header
   ocupa más de una fila (pantallas muy angostas, o etiquetas de idioma
   largas en ruso/árabe). 70px se conserva como valor de respaldo por si
   el JS no llegó a ejecutarse. Cuando el menú está cerrado (sin .is-open),
   además de desplazarse fuera de vista permanece con visibility:hidden y
   se retira de la navegación por teclado (inert cuando el navegador lo
   soporta) para que no pueda recibir foco por Tab mientras está oculto. */
@media (max-width: 720px), (min-width: 721px) {
  .site-header__bar.nav-compact .main-nav {
    position: fixed; inset-inline-start: 0; top: var(--header-height, 70px); width: 100%; background: var(--color-surface);
    flex-direction: column; align-items: stretch; padding: 18px 24px; border-bottom: 1px solid var(--color-border);
    transform: translateY(-130%); transition: transform .25s ease, visibility .25s ease; box-shadow: var(--shadow-md);
    visibility: hidden;
  }
  .site-header__bar.nav-compact .main-nav.is-open { transform: translateY(0); visibility: visible; }
  .site-header__bar.nav-compact .main-nav__list { flex-direction: column; gap: 4px; }
  .site-header__bar.nav-compact .main-nav__list a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--color-border); }
  .site-header__bar.nav-compact .nav-toggle { display: inline-flex; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; inset-inline-start: 0; top: var(--header-height, 70px); width: 100%; background: var(--color-surface);
    flex-direction: column; align-items: stretch; padding: 18px 24px; border-bottom: 1px solid var(--color-border);
    transform: translateY(-130%); transition: transform .25s ease, visibility .25s ease; box-shadow: var(--shadow-md);
    visibility: hidden; }
  .main-nav.is-open { transform: translateY(0); visibility: visible; }
  .main-nav__list { flex-direction: column; gap: 4px; }
  .main-nav__list a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--color-border); }
  .main-nav__list a.is-active { border-bottom: 1px solid var(--color-green); }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .grid-3, .grid-2, .product-grid, .contact-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 22px; }
  .section { padding: 52px 0; }
  .hero { padding: 52px 0 64px; }
}

/* Tablet en retrato (768/820px de ancho lógico) — el header cabe en una
   fila, pero se reduce el espaciado horizontal para evitar apretujamiento
   y se evita que el conmutador de idioma quede pegado al borde. */
@media (min-width: 721px) and (max-width: 860px) {
  .site-header__bar { padding: 12px 16px; gap: 10px; }
  .main-nav__list { gap: 16px; }
  .header-actions { gap: 8px; }
  .lang-switcher__toggle { padding: 8px 10px; font-size: 0.82rem; }
}

/* Pantallas muy angostas (320–430px): evita recorte de logo/marca y
   ajusta el botón "Solicitar información" para que no fuerce overflow. */
@media (max-width: 430px) {
  .site-header__bar { padding: 10px 12px; gap: 8px; flex-wrap: wrap; }
  .brand img { height: 32px; }
  .header-actions { flex-wrap: wrap; gap: 8px; }
  .header-actions .btn-primary.btn { padding: 10px 14px; font-size: 0.86rem; }
  .hero { padding: 40px 0 48px; }
  .hero__actions .btn { width: 100%; }
  .wechat-modal__dialog { padding: 20px; }
}

@media (min-width: 1025px) and (max-width: 1440px) {
  .container { padding: 0 32px; }
}