/* ---------- paleta del brochure "Inglés - Panabalsa HD.pdf" (Alessandro, 20 sep 2026) ----------
   Colores sacados de los vectores del PDF: verde vivo #27A027 (títulos, bloques, acentos), lima #C2D602 y verde
   oscuro #3B683D (logo y cubos), fondo blanco y texto negro. Sobrescribe las variables de styles.css sin tocarlo. */
:root {
  --white: #ffffff;
  --paper: #ffffff;
  --paper-soft: #f2f6f0;
  --ink: #111111;
  --ink-soft: #2f5531;
  --forest: #3B683D;
  --forest-soft: #4a7d4c;
  --muted: #4f574c;
  --muted-on-dark: rgba(255, 255, 255, 0.78);
  --line: rgba(0, 0, 0, 0.1);
  --line-on-dark: rgba(255, 255, 255, 0.16);
  --green: #27A027;
  --lime: #C2D602;
  --lime-soft: rgba(194, 214, 2, 0.18);
}
::selection { background: var(--lime); color: var(--ink); }
.site-header.scrolled { background: rgba(59, 104, 61, 0.95); }
.hero::before {
  background:
    linear-gradient(rgba(10, 40, 12, 0.42), rgba(10, 40, 12, 0.42)),
    linear-gradient(180deg, rgba(59, 104, 61, 0.30) 0%, rgba(59, 104, 61, 0.36) 45%, rgba(29, 62, 31, 0.94) 100%);
}
.btn--primary:hover { box-shadow: 0 10px 26px -12px rgba(39, 160, 39, 0.6); }

/* ============================================================
   Ecuador Balsa Sheet — extensiones: catálogo, cotización,
   líneas de producto, densidades. Complementa styles.css.
   ============================================================ */

/* ---------- header: pastilla de cotización ---------- */
.quote-pill {
  position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px 9px 14px; border-radius: 999px;
  background: rgba(255,255,255,.14); color: var(--white); font-weight: 600; font-size: .88rem; border: 1px solid rgba(255,255,255,.18);
  transition: background .2s ease, transform .25s var(--ease);
}
.quote-pill:hover { background: rgba(255,255,255,.24); transform: translateY(-1px); }
.quote-pill svg { width: 18px; height: 18px; }
.quote-pill .count {
  min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--lime); color: var(--ink);
  display: grid; place-items: center; font-size: .72rem; font-weight: 800; font-variant-numeric: tabular-nums;
}
.quote-pill .count.bump { animation: bump .45s var(--ease); }
@keyframes bump { 40% { transform: scale(1.5); } }

/* ---------- menú móvil "pro" (21 sep 2026): botón hamburguesa → X y panel lateral verde oscuro ---------- */
.menu-toggle {
  position: relative; width: 44px; height: 44px; border-radius: 12px; cursor: pointer;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); color: var(--white);
  transition: background .2s ease, border-color .2s ease, transform .2s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.menu-toggle:hover { background: rgba(255,255,255,.22); }
.menu-toggle:active { transform: scale(.94); }
.menu-toggle:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
.menu-toggle .bars { position: absolute; inset: 0; display: block; }
.menu-toggle .bars i {
  position: absolute; left: 12px; width: 20px; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .3s var(--ease), opacity .2s ease, width .3s var(--ease);
}
.menu-toggle .bars i:nth-child(1) { top: 14px; }
.menu-toggle .bars i:nth-child(2) { top: 21px; width: 14px; }
.menu-toggle .bars i:nth-child(3) { top: 28px; }
.menu-toggle:hover .bars i:nth-child(2) { width: 20px; }
.menu-toggle.open .bars i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open .bars i:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.open .bars i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.menu-toggle span::before, .menu-toggle span::after { content: none; }  /* anula el icono viejo de styles.css */
.menu-toggle span { background: transparent; }

.mnav-backdrop {
  position: fixed; inset: 0; z-index: 190; background: rgba(8, 24, 10, .55); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  opacity: 0; transition: opacity .3s ease;
}
.mnav-backdrop.show { opacity: 1; }
html.mnav-open, html.mnav-open body { overflow: hidden; }

.mobile-nav {
  inset: 0 0 0 auto; width: min(380px, 88vw); padding: 0; background: var(--forest); color: var(--white);
  display: flex; flex-direction: column; box-shadow: -24px 0 60px -30px rgba(0,0,0,.6);
  transform: translateX(100%); opacity: 1;
  transition: transform .38s var(--ease), visibility .38s;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-top { margin: 0; padding: 18px 20px 18px 24px; border-bottom: 1px solid var(--line-on-dark); }
.mobile-nav-top img { height: 38px; max-width: calc(100% - 58px); object-fit: contain; object-position: left center; }
.mobile-nav .menu-toggle, .mobile-nav .mnav-close { display: flex; align-items: center; justify-content: center; }

.mnav-links { flex: 1; padding: 8px 0; overflow-y: auto; }
.mobile-nav .mnav-links a {
  display: flex; align-items: center; gap: 14px; padding: 15px 20px 15px 24px; margin: 0;
  font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; color: var(--white); border-bottom: 1px solid var(--line-on-dark);
  opacity: 0; transform: translateX(18px); transition: opacity .35s var(--ease), transform .35s var(--ease), background .2s ease;
}
.mobile-nav .mnav-links a:hover, .mobile-nav .mnav-links a:active { background: rgba(255,255,255,.08); }
.mobile-nav .mnav-links a .mnav-idx { font-size: .68rem; font-weight: 800; letter-spacing: .12em; color: var(--lime); font-variant-numeric: tabular-nums; }
.mobile-nav .mnav-links a svg { width: 18px; height: 18px; margin-left: auto; opacity: .45; transition: opacity .2s ease, transform .2s var(--ease); }
.mobile-nav .mnav-links a:hover svg { opacity: 1; transform: translateX(3px); }
.mobile-nav.open .mnav-links a { opacity: 1; transform: translateX(0); }
.mobile-nav.open .mnav-links a:nth-child(1) { transition-delay: .08s; }
.mobile-nav.open .mnav-links a:nth-child(2) { transition-delay: .13s; }
.mobile-nav.open .mnav-links a:nth-child(3) { transition-delay: .18s; }
.mobile-nav.open .mnav-links a:nth-child(4) { transition-delay: .23s; }
.mobile-nav.open .mnav-links a:nth-child(5) { transition-delay: .28s; }

.mnav-foot { padding: 18px 24px 26px; border-top: 1px solid var(--line-on-dark); background: rgba(0,0,0,.14); display: flex; flex-direction: column; gap: 14px; }
.mobile-nav .quote-pill {
  display: flex; justify-content: center; padding: 13px 18px; margin: 0; border-radius: 14px; font-size: .95rem; font-weight: 700;
  background: var(--green); border-color: transparent; color: var(--white); opacity: 1; transform: none; letter-spacing: 0;
}
.mobile-nav .quote-pill:hover { background: #2fb52f; }
.mnav-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mnav-contact a, .mnav-contact button {
  display: flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 12px; margin: 0; border-radius: 12px; cursor: pointer;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); color: var(--white); font-family: inherit; font-size: .88rem; font-weight: 600;
  opacity: 1; transform: none; letter-spacing: 0; transition: background .2s ease;
}
.mnav-contact a:hover, .mnav-contact button:hover { background: rgba(255,255,255,.2); }
.mnav-contact svg { width: 18px; height: 18px; }
.mnav-lang { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mnav-label { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-on-dark); }
@media (max-width: 900px) { .site-header .quote-pill { display: none; } }

.mini-specs { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-block; padding: 5px 10px; border-radius: 999px; background: var(--paper-soft); font-size: .74rem; font-weight: 600; letter-spacing: .02em; color: var(--ink); }
.section--soft .chip { background: var(--paper); }

/* ---------- densidades ---------- */
.dens-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
@media (max-width: 960px) { .dens-layout { grid-template-columns: 1fr; } }
.table-scroll { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
.dens-table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 640px; }
.dens-table .num small { display: block; color: var(--muted); font-size: .78rem; font-weight: 500; }
.dens-table th, .dens-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.dens-table th { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 700; background: var(--paper); }
.dens-table tr:last-child td { border-bottom: 0; }
.dens-table .sw { display: inline-block; width: 14px; height: 14px; border-radius: 4px; margin-right: 10px; vertical-align: -2px; border: 1px solid rgba(0,0,0,.1); }
.dens-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--ink); }
.dens-table td:last-child { color: var(--muted); font-size: .9rem; }
.dens-bar { display: flex; height: 16px; border-radius: 999px; overflow: hidden; margin: 28px 0 8px; border: 1px solid var(--line); }
.dens-bar span { flex: 1; }
.dens-scale { display: flex; justify-content: space-between; font-size: .74rem; font-weight: 600; color: var(--muted); }

/* ---------- página catálogo ---------- */
.catalog-layout { display: grid; grid-template-columns: 270px 1fr; gap: 36px; align-items: start; }
@media (max-width: 960px) { .catalog-layout { grid-template-columns: 1fr; } }
.filters { position: sticky; top: 104px; display: grid; gap: 26px; padding: 24px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
@media (max-width: 960px) { .filters { position: static; } }
.filters h4 { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 700; margin: 0 0 10px; }
.filters label { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: .92rem; cursor: pointer; }
.filters input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--green); }
.filters .clear { font-size: .84rem; color: var(--green); background: none; border: 0; padding: 0; font-weight: 700; cursor: pointer; font-family: inherit; }
.unit-toggle { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--paper-soft); border: 1px solid var(--line); }
.unit-toggle button { padding: 7px 14px; border-radius: 999px; border: 0; background: transparent; font-family: inherit; font-size: .8rem; font-weight: 700; color: var(--muted); cursor: pointer; transition: background .2s, color .2s; }
.unit-toggle button.on { background: var(--forest); color: var(--white); }
.catalog-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 22px; }
.catalog-top .count { font-size: .84rem; color: var(--muted); font-weight: 600; }
.search { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-radius: 999px; background: var(--white); border: 1px solid var(--line); flex: 1; max-width: 360px; }
.search input { border: 0; background: transparent; outline: 0; font: inherit; width: 100%; color: var(--ink); }
.search svg { width: 18px; color: var(--muted); flex: none; }
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 20px; }
.prod {
  display: grid; grid-template-rows: auto 1fr auto; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease); animation: rise .5s var(--ease) both; cursor: pointer;
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }
.prod:hover { transform: translateY(-5px); box-shadow: 0 30px 60px -28px rgba(16,22,12,.45); }
.prod .art { position: relative; height: 170px; display: grid; place-items: center; background: linear-gradient(160deg, var(--paper), var(--paper-soft)); border-bottom: 1px solid var(--line); }
.prod .art svg { height: 120px; width: auto; transition: transform .5s var(--ease); }
.prod:hover .art svg { transform: scale(1.07) rotate(-3deg); }
.prod .tag { position: absolute; top: 12px; left: 12px; padding: 5px 10px; border-radius: 999px; background: var(--forest); color: var(--white); font-size: .66rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.prod .body { padding: 20px 22px 6px; display: grid; gap: 10px; align-content: start; }
.prod .cat-lbl { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--green); font-weight: 700; }
.prod h3 { font-size: 1.2rem; letter-spacing: -.01em; }
.prod p { font-size: .9rem; color: var(--muted); margin: 0; }
.prod .foot { padding: 14px 22px 22px; display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.prod .dens { display: flex; gap: 4px; }
.prod .dens i { width: 12px; height: 12px; border-radius: 3px; border: 1px solid rgba(0,0,0,.12); }
.empty { padding: 60px 20px; text-align: center; color: var(--muted); grid-column: 1 / -1; }

/* ---------- modal producto ---------- */
.modal { position: fixed; inset: 0; z-index: 300; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal.open { display: flex; }
.modal-bg { position: absolute; inset: 0; background: rgba(16,22,12,.6); backdrop-filter: blur(6px); animation: fadeIn .25s; }
@keyframes fadeIn { from { opacity: 0; } }
.modal-card { position: relative; width: min(960px, 100%); max-height: min(90vh, 860px); overflow: auto; border-radius: var(--radius); background: var(--paper); box-shadow: 0 40px 80px -30px rgba(0,0,0,.6); display: grid; grid-template-columns: .9fr 1.1fr; animation: pop .35s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(20px) scale(.98); } }
@media (max-width: 800px) { .modal-card { grid-template-columns: 1fr; } }
.modal-art { background: linear-gradient(160deg, var(--paper), var(--paper-soft)); display: grid; place-items: center; padding: 40px; min-height: 280px; }
.modal-art svg { width: 80%; max-width: 320px; height: auto; filter: drop-shadow(0 20px 30px rgba(16,22,12,.22)); }
.modal-body { padding: 34px 34px 30px; display: grid; gap: 18px; align-content: start; }
.modal-close { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border-radius: 50%; background: var(--paper); border: 1px solid var(--line); display: grid; place-items: center; z-index: 2; cursor: pointer; }
.modal-close svg { width: 18px; }
.modal-body h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -.02em; }
.modal-body ul.detalles { margin: 0; padding-left: 18px; font-size: .9rem; color: var(--muted); display: grid; gap: 4px; }
.configurator { display: grid; gap: 14px; padding: 20px; border-radius: var(--radius-sm); background: var(--white); border: 1px solid var(--line); }
.configurator h4 { font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 700; margin: 0; }
.cfield { display: grid; gap: 6px; }
.cfield label { font-size: .8rem; font-weight: 700; color: var(--ink); }
.cfield select, .cfield input, .cfield textarea { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); font: inherit; font-size: .95rem; color: var(--ink); outline: 0; transition: border-color .2s, box-shadow .2s; }
.cfield select:focus, .cfield input:focus, .cfield textarea:focus { border-color: var(--green); box-shadow: 0 0 0 4px var(--lime-soft); }
.cfield-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cfield-row--3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 560px) { .cfield-row, .cfield-row--3 { grid-template-columns: 1fr; } }
.qty { display: flex; align-items: center; border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper); overflow: hidden; }
.qty button { width: 42px; height: 44px; border: 0; background: transparent; font-size: 1.2rem; font-weight: 700; color: var(--muted); cursor: pointer; font-family: inherit; }
.qty button:hover { background: var(--paper-soft); }
.qty input { width: 100%; text-align: center; border: 0; background: transparent; font: inherit; font-weight: 700; font-size: 1rem; outline: 0; -moz-appearance: textfield; }
.qty input::-webkit-inner-spin-button { -webkit-appearance: none; }
.dens-pick { display: flex; flex-wrap: wrap; gap: 8px; }
.dens-pick label { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--paper); font-size: .84rem; font-weight: 600; cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.dens-pick label:has(input:checked) { border-color: var(--forest); background: var(--forest); color: var(--white); }
.dens-pick input { display: none; }
.dens-pick i { width: 12px; height: 12px; border-radius: 3px; }
.toast { position: fixed; left: 50%; bottom: 100px; transform: translate(-50%, 20px); z-index: 400; padding: 14px 20px; border-radius: 999px; background: var(--ink); color: var(--white); font-weight: 600; font-size: .9rem; opacity: 0; transition: opacity .3s, transform .3s var(--ease); pointer-events: none; display: flex; gap: 10px; align-items: center; box-shadow: 0 20px 40px -16px rgba(0,0,0,.5); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast svg { width: 18px; color: var(--lime); }

/* ---------- página cotización ---------- */
.quote-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: start; }
@media (max-width: 960px) { .quote-layout { grid-template-columns: 1fr; } }
.quote-list { display: grid; gap: 12px; }
.qitem { display: grid; grid-template-columns: 64px 1fr auto; gap: 16px; align-items: center; padding: 16px; border-radius: var(--radius-sm); background: var(--white); border: 1px solid var(--line); animation: rise .4s var(--ease) both; }
@media (max-width: 560px) { .qitem { grid-template-columns: 1fr; } }
.qitem .art { width: 64px; height: 64px; border-radius: 10px; background: var(--paper-soft); display: grid; place-items: center; }
.qitem .art svg { width: 46px; height: 46px; }
.qitem h4 { font-size: 1rem; margin: 0 0 4px; }
.qitem .variant { font-size: .8rem; color: var(--muted); font-weight: 600; }
.qitem .actions { display: flex; align-items: center; gap: 8px; }
.qitem .qty { width: 130px; }
.qitem .rm { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: transparent; display: grid; place-items: center; color: var(--muted); cursor: pointer; }
.qitem .rm:hover { color: #b3261e; border-color: #b3261e; }
.qitem .rm svg { width: 16px; }
.quote-empty { padding: 50px 24px; text-align: center; border-radius: var(--radius); border: 1.5px dashed var(--line); color: var(--muted); display: grid; gap: 14px; justify-items: center; }
.quote-form { position: sticky; top: 104px; display: grid; gap: 14px; padding: 28px; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); }
@media (max-width: 960px) { .quote-form { position: static; } }
.quote-form h3 { font-size: 1.4rem; margin: 0; }
.quote-form .send { display: grid; gap: 10px; margin-top: 6px; }
.quote-form .send .btn { width: 100%; justify-content: center; }
.quote-form .note { font-size: .78rem; color: var(--muted); margin: 0; }
.btn--wa { background: #25D366; color: #fff; }
.btn--wa:hover { background: #1DA851; }
.btn svg { width: 18px; height: 18px; }
.summary { display: flex; justify-content: space-between; font-size: .82rem; font-weight: 600; color: var(--muted); padding-top: 12px; border-top: 1px solid var(--line); }
.page-pad { padding-top: 88px; }

/* ---------- hero: respiro superior para que nunca se monte sobre el header ---------- */
.hero-inner { padding-top: 140px; }
.hero h1 { max-width: 900px; }
@media (max-height: 820px) { .hero-inner { padding-bottom: 96px; } .hero h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); } }
.section--dark .qitem h4, .section--dark .quote-empty p:first-child { color: var(--ink); }
.section--dark .contact-form p, .section--dark .quote-empty p { color: var(--muted); }
.section--dark .contact-form p a { color: var(--green); }
.dens-table td:first-child { white-space: nowrap; }

/* ---------- móvil: evitar desbordes y plegar filtros ---------- */
.dens-layout > *, .catalog-layout > *, .quote-layout > *, .contact-layout > * { min-width: 0; }
.table-scroll { min-width: 0; }
.filters-toggle { display: none; margin-bottom: 14px; }
@media (max-width: 960px) {
  .filters-toggle { display: inline-flex; }
  .filters { display: none; margin-bottom: 20px; }
  .filters.open { display: grid; }
  .filters > div { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
  .filters > div h4 { grid-column: 1 / -1; }
}

/* catálogo sin filtros: 3 tarjetas grandes */
.prod-grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .prod-grid--3 { grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); } }

/* Fotos estáticas (pedido 20 sep 2026): sin cortina de revelado, sin zoom al pasar el ratón, sin parallax */
.photo::after { display: none; }
.photo.reveal img, .photo.reveal.is-visible img { opacity: 1; transition: none; }
.process-step .photo img, .process-gallery .photo img, .product-panel-media img { transition: none; }
.process-step:hover .photo img, .process-gallery .photo:hover img, .product-panel-media:not(.contain):hover img { transform: none; }
.hero-bg { transform: none !important; }

/* Proceso compacto (pedido 20 sep 2026): fotos más pequeñas y filas más bajas para verlo todo de un vistazo */
#proceso .process-step { grid-template-columns: 300px 1fr; gap: 28px; padding: 16px 0; }
#proceso .process-step .photo { aspect-ratio: 16/9; }
#proceso .step-num { font-size: 1.6rem; margin-bottom: 2px; }
#proceso .process-step h3 { font-size: 1.15rem; margin-bottom: 6px; }
#proceso .process-step p { font-size: .92rem; margin: 0; }
#proceso .process-gallery { margin-top: 20px; }
#proceso .process-gallery .photo { aspect-ratio: 4/3; }
@media (max-width: 960px) { #proceso .process-step { grid-template-columns: 220px 1fr; gap: 18px; } }
@media (max-width: 640px) { #proceso .process-step { grid-template-columns: 120px 1fr; gap: 14px; align-items: start; } #proceso .process-step .photo { aspect-ratio: 1; } }

/* Nosotros: foto al lado del texto, sin huecos; solo se apila en móvil */
/* Nosotros: foto CUADRADA con la misma altura que el bloque de texto (pedido 20 sep 2026).
   El ancho de la foto lo fija js/app.js (= altura del texto), porque CSS no puede derivarlo solo. */
#nosotros .about-intro { grid-template-columns: auto 1fr; gap: 40px; align-items: stretch; }
#nosotros .about-intro .photo { aspect-ratio: 1; height: auto; width: 320px; min-height: 0; align-self: start; }
@media (max-width: 960px) { #nosotros .about-intro { gap: 28px; } }
@media (max-width: 680px) { #nosotros .about-intro { grid-template-columns: 1fr; gap: 20px; } #nosotros .about-intro .photo { aspect-ratio: 16/9; height: auto; width: 100%; min-height: 0; } }

/* Certificaciones dentro de Nosotros (antes iban en una franja bajo el hero) */
.certs--inline { padding: 22px 0 0; margin-top: 22px; border-bottom: 0; border-top: 1px solid var(--line); }
.certs--inline .certs-label { justify-content: flex-start; margin: 0 0 14px; max-width: none; }
.certs--inline .certs-label::before { display: none; }
.certs--inline .certs-row { justify-content: flex-start; }
.certs--inline .certs-row img { max-height: 40px; padding: 0 24px 0 0; }
.certs--inline .certs-row img:not(:last-child) { margin-right: 24px; }

/* "Por qué comprar en origen" tiene 5 ítems: el último ocupa el hueco que queda en la fila */
.grid--3 .grid-item:nth-child(3n+2):last-child { grid-column: span 2; }
@media (max-width: 980px) { .grid--3 .grid-item:nth-child(3n+2):last-child { grid-column: auto; } .grid--3 .grid-item:nth-child(odd):last-child { grid-column: span 2; } }
@media (max-width: 640px) { .grid--3 .grid-item:nth-child(n):last-child, .grid--3 .grid-item:nth-child(odd):last-child { grid-column: auto; } }

/* "Por qué comprar en origen" compacta, al estilo de la sección de proceso */
#porque.section { padding: 44px 0; }
#porque .section-head { margin-bottom: 18px; }
#porque .section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
#porque .grid-item { padding: 16px 18px; }
#porque .grid-item .idx { margin-bottom: 6px; font-size: .74rem; }
#porque .grid-item h3 { font-size: 1rem; margin-bottom: 4px; }
#porque .grid-item p { font-size: .88rem; margin: 0; }
#porque .grid--3 { grid-template-columns: repeat(4, 1fr); } /* 4 ítems en una sola fila */
@media (max-width: 980px) { #porque .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { #porque .grid--3 { grid-template-columns: 1fr; } }

/* Servicios dentro de "Nuestro proceso": franja compacta entre los pasos y la galería */
/* Servicios: dentro de "Productos y servicios", con las mismas tarjetas que los productos */
.svc-block { margin-top: 36px; padding-top: 30px; border-top: 1px solid var(--line); }
.svc-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 18px; margin-bottom: 18px; }
.svc-head .eyebrow { margin: 0; }
.svc-head p { margin: 0; color: var(--muted); font-size: .95rem; }
.prod--svc { cursor: default; }
.prod--svc .art { height: 120px; color: var(--green); }
.prod--svc .art svg { width: 48px; height: 48px; }
.prod--svc:hover .art svg { transform: none; }
.prod--svc .svc-note { font-size: .8rem; color: var(--muted); font-weight: 600; }

/* "Para quién": íconos por sector */
#industrias .grid-icon { width: 50px; height: 50px; border-radius: 14px; background: var(--lime-soft); color: var(--forest); margin-bottom: 14px; }
#industrias .grid-icon svg { width: 26px; height: 26px; }
#industrias .grid-item:hover .grid-icon { background: var(--lime); color: var(--ink); }

/* "Para quién" compacta: ícono a la izquierda, texto a la derecha, sin huecos */
#industrias.section { padding: 44px 0; }
#industrias .section-head { margin-bottom: 18px; }
#industrias .section-head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
#industrias .grid-item { display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; align-items: start; padding: 16px 18px; }
#industrias .grid-icon { grid-row: 1 / span 3; width: 44px; height: 44px; margin: 0; }
#industrias .grid-icon svg { width: 24px; height: 24px; }
#industrias .grid-item .idx { margin-bottom: 2px; font-size: .72rem; }
#industrias .grid-item h3 { font-size: 1rem; margin-bottom: 4px; }
#industrias .grid-item p { font-size: .88rem; margin: 0; }
#servicios { scroll-margin-top: 96px; } /* el ancla no es <section>: compensar el header fijo al hacer clic en "Servicios" */

/* ===== Móvil (≤640): menos aire, tarjetas más bajas, tabla apilada ===== */
@media (max-width: 640px) {
  /* hero: que no ocupe toda la pantalla; el texto arranca justo bajo el header */
  .hero { min-height: 0; align-items: flex-start; padding-top: 118px; }
  .hero-inner { padding-top: 0; padding-bottom: 44px; }
  .hero p { margin-bottom: 24px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { padding-left: 18px; padding-right: 18px; }
  .scroll-cue { display: none; }
  /* secciones y cabeceras con menos margen */
  .section { padding: 40px 0; }
  .section-head { margin-bottom: 18px; }
  /* "Tres líneas": tres filas compactas que caben en una pantalla sin scroll */
  #productos.section { padding: 32px 0 36px; }
  #productos .catalog-top { margin-bottom: 12px; }
  #productos .catalog-top h2 { font-size: 1.7rem; width: 100%; }
  .prod .art { height: 110px; }
  .prod .art svg { height: 80px; }
  .prod .body { padding: 16px 18px 12px; }
  .prod .foot { padding: 0 18px 16px; }
  /* guía de densidades: cada grado como una ficha, no tabla ancha con scroll */
  .dens-table { min-width: 0; }
  .dens-table thead { display: none; }
  .dens-table tr { display: grid; grid-template-columns: 1.15fr 1.15fr .9fr; gap: 6px 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
  .dens-table tr:last-child { border-bottom: 0; }
  .dens-table td { display: block; padding: 0; border: 0; }
  .dens-table td:first-child { grid-column: 1 / -1; font-size: 1rem; }
  .dens-table td.num { font-size: .84rem; white-space: normal; }
  .dens-table td.num::before { content: attr(data-l); display: block; font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; margin-bottom: 2px; }
  .dens-table td.desc { grid-column: 1 / -1; font-size: .86rem; }
  .dens-bar { margin: 20px 0 6px; }
}

/* menú: "Productos y servicios" en una sola línea */
.nav-main a { white-space: nowrap; }

/* Guía de densidades: la tabla entra completa sin scroll horizontal (pedido 20 sep 2026) */
.dens-layout { grid-template-columns: minmax(220px, 3fr) 9fr; gap: 36px; }
.dens-table { min-width: 0; font-size: .95rem; table-layout: auto; }
.dens-table th, .dens-table td { padding: 16px 12px; }
.dens-table th:first-child, .dens-table td:first-child { padding-left: 18px; }
.dens-table th:last-child, .dens-table td:last-child { padding-right: 18px; }
.dens-table th { font-size: .7rem; letter-spacing: .1em; white-space: nowrap; }
.dens-table .num { font-size: .95rem; }
.dens-table .num small { font-size: .78rem; }
.dens-table td:last-child { font-size: .88rem; line-height: 1.45; }
.dens-table .sw { margin-right: 8px; }
@media (max-width: 1180px) { .dens-layout { grid-template-columns: 1fr; gap: 24px; } }
#densidades .section-head h2, #densidades .dens-layout h2 { font-size: clamp(1.9rem, 2.6vw, 2.6rem); }

/* Nuestro proceso: un flujo por producto, con pestañas Bloques / Listones / Láminas (20 sep 2026) */
.proc-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 16px 32px; }
.proc-head h2 { margin: 0; }
#proceso .proc-tabs { background: rgba(249,251,246,.08); border-color: var(--line-on-dark); }
#proceso .proc-tabs button { color: rgba(249,251,246,.7); }
#proceso .proc-tabs button.on { background: var(--lime); color: var(--forest); }
#proceso .process-list[hidden] { display: none; }
#proceso .proc-head { max-width: none; }
#proceso .proc-head > div:first-child { max-width: 640px; }
#proceso .proc-tabs button { padding: 9px 18px; font-size: .86rem; }

/* bloque "Especificaciones" con fondo propio dentro de cada tarjeta de producto */
.prod .specs { margin-top: 4px; padding: 12px 14px; border-radius: 12px; background: var(--paper-soft); border: 1px solid var(--line); display: grid; gap: 8px; }
.prod .specs-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.unit-toggle--sm { padding: 2px; background: var(--white); }
.unit-toggle--sm button { padding: 4px 10px; font-size: .7rem; }
.unit-fixed { font-size: .7rem; font-weight: 700; padding: 5px 10px; border-radius: 999px; background: var(--forest); color: var(--white); letter-spacing: .04em; }
.cfg-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.cfg-head h4 { margin: 0; }
.prod .specs-lbl { font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.prod .specs .chip { background: var(--white); }

/* cotización por contenedores */
.qitem .qty-lbl { font-size: .74rem; color: var(--muted); font-weight: 600; margin-left: 6px; }
.configurator select#v-cont { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--paper); font: inherit; font-size: .95rem; color: var(--ink); }

/* Fotos reales de producto (del brochure de Panabalsa, 20 sep 2026) en tarjetas y configurador */
/* Tarjetas de producto más grandes (Alessandro, 20 sep 2026): foto alta y textos un punto mayores */
.prod .art { height: 380px; }
.prod .art img { height: 340px; width: auto; max-width: 94%; object-fit: contain; filter: drop-shadow(0 14px 18px rgba(16,22,12,.22)); transition: transform .5s var(--ease); }
.prod:hover .art img { transform: scale(1.05) rotate(-2deg); }
#grid .prod .body { padding: 24px 26px 8px; gap: 12px; }
#grid .prod h3 { font-size: 1.5rem; }
#grid .prod p { font-size: 1rem; }
#grid .prod .foot { padding: 16px 26px 26px; }
.prod--svc .art { height: 120px; }
.modal-art img { width: 82%; max-width: 340px; height: auto; filter: drop-shadow(0 24px 34px rgba(16,22,12,.28)); }
@media (max-width: 960px) { .prod .art { height: 280px; } .prod .art img { height: 246px; } }
@media (max-width: 640px) { .prod .art { height: 150px; } .prod .art img { height: 124px; } #grid .prod h3 { font-size: 1.2rem; } #grid .prod p { font-size: .9rem; } #grid .prod .body { padding: 16px 18px 12px; gap: 10px; } #grid .prod .foot { padding: 0 18px 16px; } }

/* Textos del brochure de Panabalsa (20 sep 2026) */
.prod-cert { margin-top: 10px; }

/* Para quién: fotos de aplicaciones del brochure de Panabalsa (20 sep 2026) */
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.app-card { display: grid; grid-template-rows: auto 1fr; border-radius: var(--radius); overflow: hidden; background: var(--white); border: 1px solid var(--line); color: inherit; text-decoration: none; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.app-card:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -24px rgba(16,22,12,.4); }
.app-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.app-card .app-body { padding: 14px 18px 16px; }
.app-card .idx { font-size: .7rem; letter-spacing: .12em; color: var(--green); font-weight: 700; margin-bottom: 2px; }
.app-card h3 { font-size: 1.05rem; margin: 0 0 4px; }
.app-card p { font-size: .86rem; color: var(--muted); margin: 0; }
.app-card p strong { color: var(--ink); font-weight: 700; }
@media (max-width: 900px) { .apps-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }
@media (max-width: 560px) { .apps-grid { grid-template-columns: 1fr; } .app-card img { aspect-ratio: 16/9; } }
#nosotros .about-intro h2 { font-size: clamp(1.8rem, 2.6vw, 2.4rem); }
#nosotros .about-intro p { font-size: 1rem; }

/* Productos y servicios: primero las tarjetas; el título comparte fila con el toggle de unidades
   y el texto del brochure + instrucciones van DEBAJO de los productos, a dos columnas (Alessandro, 20 sep 2026) */
#productos .catalog-top { align-items: end; margin-bottom: 18px; }
#productos .catalog-top h2 { margin: 0 auto 0 0; }
#productos .catalog-top .unit-toggle { margin-left: auto; }
.prod-intro { display: grid; grid-template-columns: 7fr 5fr; column-gap: 48px; align-items: center; margin-top: 26px; }
.prod-intro p { color: var(--muted); font-size: 1.05rem; line-height: 1.5; margin: 0; }
.prod-intro .section-hint { font-size: .9rem; padding: 16px 18px; border-left: 3px solid var(--lime); background: var(--paper); border-radius: 0 12px 12px 0; }
@media (max-width: 900px) { .prod-intro { grid-template-columns: 1fr; row-gap: 14px; } }

/* "La madera": réplica de la pág. 4 del brochure — foto del árbol a sangre, título blanco y panel translúcido. Estática. */
.madera { position: relative; overflow: hidden; padding: 56px 0; background: var(--forest); color: var(--white); }
.madera-stage { position: relative; }
.madera-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 40%; }
.madera-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,20,8,.45) 0%, rgba(10,20,8,.15) 55%, rgba(10,20,8,0) 100%); pointer-events: none; }
.madera-inner { position: relative; display: grid; grid-template-columns: minmax(0, 540px); row-gap: 18px; width: 100%; }
.madera-title .eyebrow { color: var(--lime); }
.madera-title h2 { font-size: clamp(2.2rem, 4vw, 3.4rem); line-height: .98; letter-spacing: -0.02em; font-weight: 800; text-transform: uppercase; color: var(--white); margin: 0 0 14px; text-shadow: 0 4px 24px rgba(0,0,0,.35); }
.madera-rule { display: block; width: 72px; height: 3px; background: var(--white); }
.madera-panel { background: rgba(255,255,255,.74); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.7); color: var(--ink); padding: 22px 26px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.5); }
.madera-panel p { margin: 0 0 12px; font-size: .93rem; line-height: 1.55; text-align: justify; }
.madera-panel p:last-child { margin-bottom: 0; }
.madera-panel em { font-style: italic; }
@media (max-width: 640px) { .madera { padding: 40px 0; } .madera-panel { padding: 20px 18px; } .madera-panel p { text-align: left; font-size: .93rem; } .madera-title h2 { font-size: 2.2rem; } }

/* ---------- selector de idioma ES / EN / 中文 (js/i18n.js) ---------- */
.lang-switch { display: inline-flex; padding: 3px; border-radius: 999px; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.08); }
.lang-switch button { white-space: nowrap; height: 30px; padding: 0 11px; border: 0; border-radius: 999px; background: transparent; color: rgba(255,255,255,.8); font-family: inherit; font-size: .76rem; font-weight: 700; letter-spacing: .06em; cursor: pointer; transition: background .2s, color .2s; }
.lang-switch button:hover { color: var(--white); }
.lang-switch button.on { background: var(--lime); color: var(--ink); }
.lang-switch--mobile { align-self: auto; margin: 0; }
@media (max-width: 900px) { .site-header .lang-switch { display: none; } }
/* chino: Inter no tiene ideogramas; se usa la fuente CJK del sistema */
html[lang="zh"] body { font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif; }
html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3 { letter-spacing: 0; }

/* ---------- WeChat (ID remosereni96, en js/config.js): botones que copian el ID, sin enlace ---------- */
.btn--wechat { background: #07C160; }
.fab--wechat { background: #07C160; }
.fab--wechat::before { display: none; }
.wechat-id { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; text-decoration: underline dotted; text-underline-offset: 3px; }
.wechat-id:hover { color: var(--green); }

/* chino/inglés: que la pastilla de cotización no se parta en dos líneas */
.quote-pill { white-space: nowrap; }