/* ── Guía de cables DPF ─────────────────────────────────────────────────── */
.cables-section { margin-top: 32px; }
.cables-h3 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-bottom: 14px; }
.cables-compat-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cables-compat-head { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; padding: 10px 16px; background: var(--bg-2); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); }
.cables-compat-row { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 12px 16px; border-top: 1px solid var(--line); }
.cables-valve-range { font-size: 13px; color: var(--ink); font-family: 'JetBrains Mono', ui-monospace, monospace; }
.cables-coil-serie { font-size: 13px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.cables-color-list { display: flex; flex-direction: column; gap: 10px; }
.cables-color-row { display: flex; align-items: center; gap: 14px; padding: 10px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.cables-terminal { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 15px; font-weight: 700; color: var(--ink); min-width: 36px; text-align: center; }
.cables-swatch { width: 32px; height: 32px; border-radius: 6px; flex-shrink: 0; }
.cables-color-name { font-size: 14px; font-weight: 500; color: var(--ink); }
.cables-exc-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); border: 1px solid var(--line); }
.cables-exc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.cables-exc-table th { padding: 8px 10px; background: var(--bg-2); font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--ink-3); text-align: center; border-bottom: 1px solid var(--line); }
.cables-exc-table th:first-child { text-align: left; }
.cables-exc-terminal { font-family: 'JetBrains Mono', ui-monospace, monospace; font-weight: 700; padding: 8px 10px; border-top: 1px solid var(--line); }
.cables-exc-cell { text-align: center; padding: 7px 10px; border-top: 1px solid var(--line); font-size: 11px; font-weight: 700; color: var(--ink-3); }
.cables-exc-cell.on { color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.cables-note { font-size: 12.5px; color: var(--ink-3); margin-top: 10px; line-height: 1.5; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--ink-2); }
.btn-ghost:hover { background: var(--bg-2); border-color: var(--ink-3); color: var(--ink); }

:root {
  /* Marca */
  --blue-900: #003c7e;
  --blue-700: #004f9e;
  --blue-600: #1763ad;
  --blue-400: #6090c0;
  --orange:   #ef741b;
  --orange-600:#dd6310;
  --accent:   var(--orange);

  /* Tema claro (default) */
  --bg:        #f4f7fb;
  --bg-2:      #eef3f9;
  --surface:   #ffffff;
  --surface-2: #f7fafd;
  --line:      #e2e9f2;
  --line-2:    #d6deea;
  --ink:       #0f2236;
  --ink-2:     #3c5168;
  --ink-3:     #6c819a;
  --brand:     var(--blue-700);
  --brand-soft:#eaf1fa;
  --shadow:    0 1px 2px rgba(15,34,54,.05), 0 8px 28px rgba(15,34,54,.06);
  --shadow-lg: 0 18px 48px rgba(15,34,54,.12);

  --radius: 16px;
  --radius-sm: 11px;
  --radius-pill: 999px;
  --maxw: 1080px;

  --font: 'Outfit', system-ui, -apple-system, sans-serif;
  --display: 'Archivo', var(--font);
}

[data-theme="dark"] {
  --bg:        #061629;
  --bg-2:      #08203a;
  --surface:   #0d243f;
  --surface-2: #0a1d34;
  --line:      #1b3656;
  --line-2:    #244466;
  --ink:       #eaf2fc;
  --ink-2:     #aec3df;
  --ink-3:     #7b95b6;
  --brand:     #4d94d8;
  --brand-soft:#10304f;
  --shadow:    0 1px 2px rgba(0,0,0,.3), 0 10px 32px rgba(0,0,0,.35);
  --shadow-lg: 0 22px 60px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
html { overscroll-behavior-y: none; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}

/* ── PWA · banner de instalación ───────────────────────────────── */
.pxp-install {
  position: fixed; left: 12px; right: 12px; z-index: 1200;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  display: flex; align-items: center; gap: 12px;
  max-width: 520px; margin: 0 auto;
  padding: 12px 12px 12px 12px;
  background: var(--surface); border: 1px solid var(--line-2);
  border-radius: 16px; box-shadow: var(--shadow-lg);
  transform: translateY(140%); opacity: 0;
  transition: transform .32s cubic-bezier(.22,.61,.36,1), opacity .32s;
}
.pxp-install.show { transform: none; opacity: 1; }
.pxp-install-ico { width: 42px; height: 42px; border-radius: 11px; flex-shrink: 0; }
.pxp-install-txt { flex: 1; font-size: 13.5px; line-height: 1.35; color: var(--ink-2); }
.pxp-install-txt b { color: var(--ink); font-weight: 700; }
.pxp-install-btn {
  flex-shrink: 0; border: none; cursor: pointer;
  background: var(--brand); color: #fff; font-family: var(--font);
  font-weight: 700; font-size: 14px; padding: 10px 16px; border-radius: 11px;
}
.pxp-install-btn:hover { background: var(--blue-600); }
.pxp-install-x {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 9px; cursor: pointer;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--ink-3);
  font-size: 13px; line-height: 1; display: grid; place-items: center;
}
.pxp-install-x:hover { color: var(--ink); }
.app { min-height: 100vh; display: flex; flex-direction: column; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.main { flex: 1; width: 100%; }
.fade { animation: fadeUp .45s cubic-bezier(.22,.61,.36,1) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.accent { color: var(--accent); }
b { color: var(--ink); font-weight: 700; }

/* ───────── Botones ───────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 15px; font-weight: 600; line-height: 1;
  padding: 13px 22px; cursor: pointer; text-decoration: none;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, opacity .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-sm { padding: 9px 15px; font-size: 13.5px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue-700); color: #fff; box-shadow: 0 6px 18px rgba(0,79,158,.28); }
.btn-primary:hover { background: var(--blue-600); box-shadow: 0 10px 26px rgba(0,79,158,.34); }
.btn-primary:disabled { background: var(--line-2); color: #fff; box-shadow: none; cursor: not-allowed; opacity: .7; }
.btn-wpp { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(239,116,27,.28); }
.btn-wpp:hover { background: var(--orange-600); }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn-outline { background: var(--surface); color: var(--brand); border-color: color-mix(in srgb, var(--brand) 34%, var(--line)); }
.btn-outline:hover { background: var(--brand-soft); border-color: var(--brand); }

/* ───────── Top bar (mensaje de marca) ───────── */
.topbar {
  background: linear-gradient(90deg, var(--blue-900), var(--blue-700));
  color: #eaf2fc; font-size: 12.5px;
}
.topbar-in { display: flex; align-items: center; justify-content: center; gap: 9px; min-height: 36px; padding-top: 7px; padding-bottom: 7px; text-align: center; white-space: nowrap; overflow: hidden; }
@media (max-width: 1024px) { .tb-sep, .tb-soft { display: none; } }
.topbar svg { color: #9fc6f0; flex-shrink: 0; }
.tb-strong { font-weight: 700; color: #fff; }
.tb-soft { color: #aecbec; }

/* ───────── Header ───────── */
.header {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; background: none; border: none; cursor: pointer; padding: 0; }
.brand-mark { width: 42px; height: 42px; object-fit: contain; }
.brand-mark.sm { width: 30px; height: 30px; }
.brand-mark-mono { display: grid; place-items: center; border-radius: 11px;
  background: var(--ink); color: #fff; font-family: var(--display); font-weight: 800;
  font-size: 22px; line-height: 1; box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 85%, transparent); }
.brand-mark.sm.brand-mark-mono { border-radius: 8px; font-size: 16px; box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--accent) 85%, transparent); }
[data-theme="dark"] .brand-mark-mono { background: var(--surface-2); }
.brand-text { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.05; }
.brand-name { font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: -.01em; color: var(--ink); }
.brand-ya { color: var(--accent); }
.brand-tag { font-size: 11px; color: var(--ink-3); margin-top: 3px; font-weight: 500; }
.header-nav { display: flex; align-items: center; gap: 14px; }
.header-tel { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-2); text-decoration: none; font-size: 14px; font-weight: 600; }
.header-tel:hover { color: var(--brand); }

/* ───────── Stepper ───────── */
.stepper-wrap { border-bottom: 1px solid var(--line); background: var(--surface-2); }
.stepper { display: flex; align-items: center; gap: 0; padding: 16px 0; overflow-x: auto; }
.step { display: flex; align-items: center; gap: 9px; color: var(--ink-3); font-size: 13.5px; font-weight: 600; flex-shrink: 0; }
.step-dot {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  background: var(--bg-2); color: var(--ink-3); font-size: 13px; border: 1px solid var(--line-2);
}
.step.active { color: var(--ink); }
.step.active .step-dot { background: var(--blue-700); color: #fff; border-color: var(--blue-700); }
.step.done .step-dot { background: var(--accent); color: #fff; border-color: var(--accent); }
.step.done { color: var(--ink-2); }
.step-line { width: clamp(14px, 5vw, 56px); height: 2px; background: var(--line-2); margin: 0 6px; border-radius: 2px; }
.step.done .step-line { background: var(--accent); }

/* ───────── Pantallas internas ───────── */
.screen { padding: 44px 0 64px; }
.screen.narrow { max-width: 580px; margin: 0 auto; padding-left: 4px; padding-right: 4px; }
.screen.center { text-align: center; }
.screen-title { font-family: var(--display); font-weight: 800; font-size: clamp(26px, 4vw, 34px); letter-spacing: -.02em; margin: 6px 0 8px; color: var(--ink); }
.screen-title.big { font-size: clamp(28px, 5vw, 38px); }
.screen-sub { color: var(--ink-2); font-size: 16px; margin: 0 0 28px; line-height: 1.5; }
.center-sub { max-width: 440px; margin: 0 auto 28px; }
.back-btn { display: inline-flex; align-items: center; gap: 6px; background: none; border: none; color: var(--ink-3); font-family: var(--font); font-size: 14px; font-weight: 600; cursor: pointer; padding: 6px 0; margin-bottom: 6px; }
.back-btn:hover { color: var(--brand); }
.hint { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-3); font-size: 13.5px; margin-top: 18px; }
.hint svg { color: var(--accent); flex-shrink: 0; }

/* ───────── Grids ───────── */
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-equipos { grid-template-columns: repeat(2, 1fr); }
.grid-marcas { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

/* ───────── Marca cards (step 1) ───────── */
.grid-marcas-big { grid-template-columns: repeat(2, 1fr); }
.mk-card {
  display: flex; align-items: center; gap: 16px; text-align: left; width: 100%;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; cursor: pointer; font-family: var(--font); box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.mk-card:hover { transform: translateY(-3px); border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.mk-card.sel { border-color: var(--brand); }
.mk-avatar {
  width: 52px; height: 52px; border-radius: 13px; flex-shrink: 0; display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; font-size: 17px; letter-spacing: .02em;
  color: oklch(0.45 0.13 var(--hue)); background: oklch(0.95 0.04 var(--hue));
}
[data-theme="dark"] .mk-avatar { color: oklch(0.82 0.12 var(--hue)); background: oklch(0.32 0.08 var(--hue)); }
.mk-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.mk-name { font-family: var(--display); font-weight: 800; font-size: 19px; letter-spacing: -.01em; color: var(--ink); }
.mk-tag { font-size: 13px; color: var(--ink-3); line-height: 1.35; }
.mk-meta { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 13px; font-weight: 600; flex-shrink: 0; white-space: nowrap; }

/* ───────── Serie cards (step 2) ───────── */
.grid-series { grid-template-columns: repeat(2, 1fr); }
.sr-card {
  text-align: left; width: 100%; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; cursor: pointer; font-family: var(--font);
  box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s;
  display: flex; flex-direction: column; gap: 8px;
}
.sr-card:hover { transform: translateY(-3px); border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.sr-card.sel { border-color: var(--brand); }
.sr-inner { display: flex; gap: 14px; align-items: flex-start; }
.sr-img-wrap { flex-shrink: 0; }
.sr-img-slot { width: 80px; height: 64px; display: block; object-fit: contain; border-radius: 8px; }
.sr-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.sr-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.sr-name { font-weight: 700; font-size: 16.5px; color: var(--ink); line-height: 1.25; }
.rfr { flex-shrink: 0; font-size: 11.5px; font-weight: 700; color: var(--brand); background: var(--brand-soft); border: 1px solid color-mix(in srgb, var(--brand) 20%, transparent); padding: 3px 9px; border-radius: var(--radius-pill); }
.sr-models { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--ink-2); line-height: 1.45; }
.sr-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 4px; }
.sr-btu { font-size: 12.5px; color: var(--ink-3); }
.sr-go { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 13px; font-weight: 600; white-space: nowrap; }

/* ───────── Chips de filtro ───────── */
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin: 4px 0 26px; }
.chip {
  padding: 9px 16px; border-radius: var(--radius-pill); border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink-2); font-size: 13.5px; font-weight: 600;
  cursor: pointer; font-family: var(--font); transition: all .18s; white-space: nowrap;
}
.chip:hover { border-color: var(--blue-400); color: var(--ink); }
.chip.on { background: var(--blue-700); color: #fff; border-color: var(--blue-700); }

/* ───────── Lista de productos ───────── */
.list { display: grid; gap: 12px; }
.prod {
  display: flex; align-items: flex-start; gap: 16px; text-align: left; width: 100%;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; cursor: pointer; font-family: var(--font); transition: transform .2s, box-shadow .2s, border-color .2s;
  box-shadow: var(--shadow);
}
.prod:hover:not(.off) { transform: translateY(-3px); border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.prod.sel { border-color: var(--brand); background: var(--brand-soft); }
.prod.off { opacity: .58; cursor: default; }
.prod-ico { width: 50px; height: 50px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex-shrink: 0; }
.prod-body { display: flex; flex-direction: column; gap: 7px; flex: 1; min-width: 0; }
.prod-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sku { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; font-weight: 600; background: var(--bg-2); color: var(--brand); padding: 3px 8px; border-radius: 6px; border: 1px solid var(--line); }
.prod-type { font-size: 12.5px; color: var(--ink-3); }
.prod-name { font-weight: 700; font-size: 16px; color: var(--ink); }
.prod-specs { font-size: 13px; color: var(--ink-3); }
.cat-pill { font-size: 11.5px; font-weight: 700; color: var(--brand); background: var(--brand-soft); border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent); padding: 3px 10px; border-radius: var(--radius-pill); white-space: nowrap; }
.ver { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 700; color: var(--ink-3); background: var(--bg-2); padding: 3px 9px; border-radius: var(--radius-pill); white-space: nowrap; }
.ver-ok { color: #1a8f55; background: color-mix(in srgb, #1a8f55 11%, transparent); }
.codes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; overflow-wrap: break-word; }
.code { display: inline-flex; align-items: center; gap: 7px; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--ink); background: var(--surface-2); border: 1px solid var(--line); padding: 4px 10px 4px 4px; border-radius: 8px; }
.code-sh { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.code-k { font-family: var(--font); font-size: 10px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; color: var(--ink-3); background: var(--bg-2); padding: 3px 7px; border-radius: 5px; }
.code-sh .code-k { color: #fff; background: var(--accent); }
.code-ncm { border-style: dashed; opacity: .9; }
.code-ncm .code-k { color: var(--ink-2); }
.prod-note { font-size: 12.5px; color: var(--ink-3); line-height: 1.45; margin-top: 2px; }
.kit-includes { margin-top: 6px; padding: 10px 12px; background: var(--brand-soft); border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent); border-radius: var(--radius-sm); }
.kit-includes-label { font-size: 12px; font-weight: 700; color: var(--brand); display: block; margin-bottom: 5px; }
.kit-includes-list { margin: 0; padding: 0 0 0 16px; display: flex; flex-direction: column; gap: 2px; }
.kit-includes-list li { font-size: 12.5px; color: var(--ink-2); line-height: 1.4; }
.prod-right { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; flex-shrink: 0; }
.prod-check { color: var(--brand); }
.prod-radio { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line-2); }
.empty { text-align: center; color: var(--ink-3); padding: 40px; background: var(--surface); border: 1px dashed var(--line-2); border-radius: var(--radius); }

/* ───────── Tarjetas de tipo de equipo (step 1) ───────── */
.tipo-card {
  display: flex; align-items: center; gap: 16px; text-align: left; width: 100%;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; cursor: pointer; font-family: var(--font); box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.tipo-card:hover { transform: translateY(-4px); border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.tipo-card.sel { border-color: var(--brand); }
.tipo-ico { width: 54px; height: 54px; border-radius: 14px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex-shrink: 0; }
.tipo-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.tipo-name { font-family: var(--display); font-weight: 700; font-size: 18px; letter-spacing: -.01em; color: var(--ink); }
.tipo-desc { font-size: 13.5px; color: var(--ink-3); line-height: 1.35; }
.tipo-arrow { color: var(--accent); flex-shrink: 0; display: grid; place-items: center; }

/* ───────── Chip de carrito en header ───────── */
.cart-chip {
  position: relative; display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  background: var(--brand-soft); color: var(--brand); border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
  border-radius: var(--radius-pill); padding: 8px 14px; font-family: var(--font); font-weight: 700; font-size: 14px;
  transition: background .18s;
}
.cart-chip:hover { background: color-mix(in srgb, var(--brand) 16%, transparent); }
.cart-chip-n { font-variant-numeric: tabular-nums; }

/* ───────── Botón agregar (step 4) ───────── */
.add-tip { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 13.5px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 14px; margin: 0 0 22px; }
.add-tip svg { color: var(--accent); flex-shrink: 0; }
.add-btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; white-space: nowrap;
  border-radius: var(--radius-pill); padding: 9px 16px; font-family: var(--font); font-weight: 600; font-size: 13.5px;
  background: var(--blue-700); color: #fff; border: 1px solid var(--blue-700); transition: all .18s;
}
.add-btn:hover { background: var(--blue-600); }
.add-btn.on { background: color-mix(in srgb, #1a8f55 12%, transparent); color: #1a8f55; border-color: color-mix(in srgb, #1a8f55 32%, transparent); }

/* ───────── Barra flotante de carrito ───────── */
.main.with-cart { padding-bottom: 96px; }
.cart-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-2); box-shadow: 0 -8px 28px rgba(15,34,54,.10);
  animation: barUp .3s ease both;
}
@keyframes barUp { from { transform: translateY(100%); } to { transform: none; } }
.cart-bar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; }
.cart-bar-info { display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 600; color: var(--ink); }
.cart-badge { display: grid; place-items: center; min-width: 28px; height: 28px; padding: 0 8px; border-radius: var(--radius-pill); background: var(--accent); color: #fff; font-size: 14px; font-weight: 800; font-variant-numeric: tabular-nums; }

/* ───────── Lista de carrito (step 5) ───────── */
.cart-list { display: grid; gap: 10px; margin: 4px 0 26px; }
.cart-item { display: flex; align-items: center; gap: 13px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; box-shadow: var(--shadow); }
.cart-ico { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex-shrink: 0; }
.cart-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.cart-name { font-weight: 700; font-size: 14.5px; color: var(--ink); line-height: 1.25; }
.cart-meta { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11.5px; color: var(--ink-3); overflow-wrap: break-word; word-break: break-all; white-space: normal; line-height: 1.4; }
.qty { display: inline-flex; align-items: center; gap: 2px; background: var(--surface-2); border: 1px solid var(--line-2); border-radius: var(--radius-pill); padding: 2px; flex-shrink: 0; }
.qty-b { width: 28px; height: 28px; border-radius: 50%; border: none; background: transparent; color: var(--ink-2); font-size: 18px; font-weight: 600; cursor: pointer; display: grid; place-items: center; line-height: 1; transition: background .15s; }
.qty-b:hover { background: var(--bg-2); color: var(--ink); }
.qty-n { min-width: 22px; text-align: center; font-weight: 700; font-size: 14px; color: var(--ink); font-variant-numeric: tabular-nums; }
.cart-x { width: 30px; height: 30px; border-radius: 8px; border: none; background: transparent; color: var(--ink-3); cursor: pointer; display: grid; place-items: center; flex-shrink: 0; transition: all .15s; }
.cart-x:hover { background: color-mix(in srgb, #e0473b 12%, transparent); color: #e0473b; }
.btn-add-more { width: 100%; border-style: dashed; }

/* ───────── Recap multi-ítem (step 6) ───────── */
.recap-item { display: flex; gap: 13px; text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line); }
.recap-item:last-child { border-bottom: none; }
.recap-q { font-family: var(--display); font-weight: 800; font-size: 16px; color: var(--accent); flex-shrink: 0; padding-top: 1px; }
.recap-body { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.recap-name { font-weight: 700; font-size: 15px; color: var(--ink); }
.recap-codes { display: flex; flex-wrap: wrap; gap: 7px; }
.recap-eq { font-size: 12.5px; color: var(--ink-3); }


/* Tags de stock */
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: var(--radius-pill); }
.tag-ok { color: #1a8f55; background: color-mix(in srgb, #1a8f55 11%, transparent); }
.tag-no { color: var(--ink-3); background: var(--bg-2); }
.tag-dot { width: 7px; height: 7px; border-radius: 50%; background: #1a8f55; }

/* CTA flotante de selección */
.sticky-cta {
  position: sticky; bottom: 16px; margin-top: 22px; display: flex; align-items: center; gap: 16px;
  justify-content: space-between; background: var(--surface); border: 1px solid var(--line-2);
  border-radius: var(--radius); padding: 14px 16px 14px 20px; box-shadow: var(--shadow-lg);
}
.sticky-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.sticky-name { font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ───────── Formulario ───────── */
.summary { display: flex; align-items: center; gap: 14px; background: var(--surface); border: 1px solid var(--brand); border-radius: var(--radius); padding: 16px 18px; margin: 4px 0 24px; box-shadow: var(--shadow); }
.summary-ico { width: 46px; height: 46px; border-radius: 11px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex-shrink: 0; }
.summary-text { flex: 1; min-width: 0; }
.summary-name { font-weight: 700; font-size: 15.5px; color: var(--ink); }
.summary-meta { font-size: 13px; color: var(--ink-3); margin-top: 2px; }
.form { display: grid; gap: 15px; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field { display: flex; flex-direction: column; }
.field-label { font-size: 13px; color: var(--ink-2); font-weight: 600; margin-bottom: 7px; }
.field-input {
  width: 100%; padding: 13px 14px; border-radius: var(--radius-sm); border: 1px solid var(--line-2);
  background: var(--surface); color: var(--ink); font-size: 15px; font-family: var(--font); outline: none;
  transition: border-color .18s, box-shadow .18s; resize: vertical;
}
.field-input::placeholder { color: var(--ink-3); }
.field-input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.btn-block { margin-top: 24px; }
.btn-block + .btn-block { margin-top: 12px; }

/* Error de campo */
.field-wrap { position: relative; display: flex; align-items: center; }
.field-wrap .field-input { flex: 1; }
.field-check { position: absolute; right: 13px; color: #1a8f55; font-size: 15px; font-weight: 700; pointer-events: none; }
.field-req { color: #e0473b; }
.field-input--error { border-color: #e0473b !important; }
.field-input--error:focus { box-shadow: 0 0 0 3px color-mix(in srgb, #e0473b 18%, transparent) !important; border-color: #e0473b !important; }
.field-input--ok { border-color: #1a8f55 !important; }
.field-input--ok:focus { box-shadow: 0 0 0 3px color-mix(in srgb, #1a8f55 15%, transparent) !important; }
.field-error { font-size: 12.5px; color: #e0473b; margin-top: 6px; display: flex; align-items: center; gap: 5px; }
.field-hint  { font-size: 12px; color: var(--ink-3); margin-top: 5px; }

/* ───────── Confirmación ───────── */
.done-badge { width: 78px; height: 78px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-600), var(--accent)); color: #fff; display: grid; place-items: center; margin: 10px auto 24px; box-shadow: 0 14px 36px rgba(239,116,27,.32); }
.recap { text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 18px; margin: 4px 0 24px; box-shadow: var(--shadow); }
.sum-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.sum-row:last-child { border-bottom: none; }
.sum-k { color: var(--ink-3); font-size: 14px; flex-shrink: 0; }
.sum-v { font-weight: 600; color: var(--ink); font-size: 14px; text-align: right; }
.sum-row.strong .sum-v { font-size: 15px; }

/* ════════════════ HOME ════════════════ */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; padding: 64px 0 56px; }
.pill { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700; color: var(--brand); background: var(--brand-soft); border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent); padding: 7px 14px; border-radius: var(--radius-pill); }
.pill.alt { color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); border-color: color-mix(in srgb, var(--accent) 28%, transparent); }
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero-h1 { font-family: var(--display); font-weight: 800; font-size: clamp(34px, 5.4vw, 56px); line-height: 1.04; letter-spacing: -.025em; margin: 22px 0 18px; color: var(--ink); }
.hero-p { font-size: 18px; color: var(--ink-2); line-height: 1.55; max-width: 480px; margin: 0 0 30px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 30px; }
.cert { font-size: 11.5px; font-weight: 700; letter-spacing: .02em; color: var(--ink-3); background: var(--surface); border: 1px solid var(--line); padding: 5px 11px; border-radius: 7px; }

.hero-visual { position: relative; aspect-ratio: 1; max-width: 380px; margin-left: auto; width: 100%; }
.hero-disc { position: absolute; inset: 8%; border-radius: 50%; background:
  radial-gradient(circle at 50% 42%, var(--surface), var(--surface-2));
  border: 1px solid var(--line); box-shadow: var(--shadow-lg); display: grid; place-items: center; }
.hero-disc::before { content: ""; position: absolute; inset: -1px; border-radius: 50%; padding: 1px; background: conic-gradient(from 200deg, var(--blue-400), var(--accent), var(--blue-700), var(--blue-400)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .55; }
.hero-mark { width: 62%; height: 62%; object-fit: contain; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.float { position: absolute; width: 46px; height: 46px; border-radius: 13px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; place-items: center; color: var(--brand); }
.float.f1 { top: 4%; right: 14%; color: var(--accent); animation: bob 5s ease-in-out infinite; }
.float.f2 { bottom: 8%; left: 0; animation: bob 6s ease-in-out infinite .8s; }
.float.f3 { bottom: 22%; right: -2%; color: var(--accent); animation: bob 5.5s ease-in-out infinite .4s; }
@keyframes bob { 50% { transform: translateY(-10px); } }

/* Video header (hero) */
.hero-video-frame {
  position: absolute; inset: 0; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-lg);
  background: var(--surface-2);
}
.hero-video-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue-400) 30%, transparent);
  border-radius: inherit;
}
.hero-video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-video-tag {
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; font-weight: 700; color: #fff;
  background: color-mix(in srgb, var(--blue-900) 78%, transparent);
  backdrop-filter: blur(6px); padding: 7px 12px; border-radius: var(--radius-pill);
}
.hero-visual { position: relative; aspect-ratio: 4 / 3.4; max-width: 460px; }

/* Anuncio destacado */
.anuncio {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 0; align-items: stretch;
  background: linear-gradient(120deg, var(--blue-900), var(--blue-700));
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
  margin: 8px 0 12px;
}
.anuncio-media { position: relative; min-height: 240px; background: #06111f; }
.hero-logo { height: 40px; width: auto; display: block; margin: 0 0 4px; }
.anuncio-media img { width: 100%; height: 100%; object-fit: cover; object-position: 72% center; display: block; }
.anuncio-media image-slot { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.anuncio-media-scrim { position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: linear-gradient(180deg, rgba(6,18,34,0) 38%, rgba(6,18,34,.82) 100%); }
.anuncio-overlay { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; z-index: 3;
  padding: 22px 26px; color: #fff; font-family: var(--display); font-weight: 700;
  font-size: clamp(16px, 1.7vw, 21px); line-height: 1.3; letter-spacing: -.01em;
  pointer-events: none; text-shadow: 0 1px 14px rgba(0,0,0,.55); }
.anuncio-overlay b { color: #ffd9bf; }
.anuncio-copy { padding: 36px 38px; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; justify-content: center; }
.anuncio-copy .pill.alt { color: #ffd9bf; background: color-mix(in srgb, var(--accent) 26%, transparent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.anuncio-h2 { font-family: var(--display); font-weight: 800; font-size: clamp(24px, 3vw, 32px); line-height: 1.08; letter-spacing: -.02em; color: #fff; margin: 0; }
.anuncio-p { font-size: 15.5px; line-height: 1.58; color: #cfe0f4; margin: 0; }
.anuncio-p b { color: #fff; }

/* Guía de componentes */
.comp-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
.comp-card {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s;
}
.comp-card:hover { transform: translateY(-3px); border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.comp-iso {
  position: relative; aspect-ratio: 16 / 8; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 9px; text-align: center; padding: 18px;
  color: var(--brand); border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, color-mix(in srgb, var(--blue-400) 11%, transparent) 0 2px, transparent 2px 13px),
    var(--surface-2);
}
.comp-iso--photo {
  background: var(--surface);
  padding: 0;
  overflow: hidden;
}
.comp-iso-img {
  width: 100%; height: 100%; object-fit: contain; padding: 20px;
  transition: transform .3s ease;
}
.comp-card:hover .comp-iso-img { transform: scale(1.04); }
.comp-iso-ico {
  width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line-2); box-shadow: var(--shadow); color: var(--brand);
}
.comp-iso-tag {
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3);
}
.comp-iso-label {
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11.5px; line-height: 1.4;
  color: var(--ink-2); max-width: 280px;
}
.comp-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 16px; flex: 1; }
.comp-head { display: flex; align-items: center; gap: 12px; }
.comp-ico { width: 42px; height: 42px; border-radius: 11px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; flex-shrink: 0; }
.comp-name { font-family: var(--display); font-weight: 800; font-size: 19px; letter-spacing: -.01em; color: var(--ink); margin: 0; }
.comp-block { display: flex; flex-direction: column; gap: 5px; }
.comp-k { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); }
.comp-loc .comp-k { color: var(--brand); }
.comp-k svg { flex-shrink: 0; }
.comp-t { font-size: 14px; line-height: 1.55; color: var(--ink-2); margin: 0; text-wrap: pretty; }

/* App tile meta (home) */
.app-tile-meta { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 12.5px; font-weight: 700; margin-top: 10px; }

/* ───────── Detalle de aplicación (step 11) ───────── */
.appd-hero {
  display: flex; gap: 20px; align-items: flex-start;
  background: linear-gradient(120deg, var(--blue-900), var(--blue-700));
  border-radius: var(--radius); padding: 30px 32px; margin: 8px 0 28px; color: #fff;
  box-shadow: var(--shadow-lg);
}
.appd-hero-ico { width: 62px; height: 62px; border-radius: 16px; flex-shrink: 0; display: grid; place-items: center; background: color-mix(in srgb, #fff 14%, transparent); color: #fff; }
.appd-hero-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.appd-kicker { font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #ffd9bf; }
.screen-title.appd-title { color: #fff; margin: 0; }
.appd-intro { font-size: 15.5px; line-height: 1.58; color: #cfe0f4; margin: 0; max-width: 640px; }
.appd-count { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: #eaf2fc; margin-top: 4px; }
.appd-count svg { color: #ffd9bf; }

.appd-list { display: grid; gap: 18px; }
.appd-card {
  display: grid; grid-template-columns: 300px 1fr; gap: 0; align-items: stretch;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s;
}
.appd-card:hover { border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.appd-card.sel { border-color: var(--brand); }
.appd-iso {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 9px; text-align: center; padding: 22px 18px; color: var(--brand);

  border-right: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, color-mix(in srgb, var(--blue-400) 11%, transparent) 0 2px, transparent 2px 13px),
    var(--surface-2);
}
.appd-iso-ico { width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--line-2); box-shadow: var(--shadow); color: var(--brand); }
.appd-iso-tag { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 10px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.appd-iso-label { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11.5px; line-height: 1.4; color: var(--ink-2); max-width: 240px; }
.appd-iso--photo {
  background: var(--surface);
  padding: 0;
  overflow: hidden;
}
.appd-iso-img {
  width: 100%; height: 100%; object-fit: contain; padding: 22px;
  transition: transform .3s ease;
}
.appd-card:hover .appd-iso-img { transform: scale(1.05); }

/* Thumbnail de producto en listado por marca */
.prod-ico { overflow: hidden; }
.prod-ico-img { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; }
.appd-content { padding: 24px 26px; display: flex; flex-direction: column; gap: 13px; }
.appd-top { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.appd-name { font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: -.01em; color: var(--ink); margin: 0; }
.appd-block { display: flex; flex-direction: column; gap: 5px; }
.appd-add { align-self: flex-start; margin-top: 4px; }

.block { padding: 56px 0; }
.block-title { font-family: var(--display); font-weight: 800; font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -.02em; text-align: center; margin: 0 0 12px; color: var(--ink); }
.block-sub { text-align: center; color: var(--ink-2); font-size: 16px; margin: 0 0 32px; }

/* Tiles de aplicación (home) */
.grid-apps { grid-template-columns: repeat(4, 1fr); gap: 14px; }
.app-tile { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; cursor: pointer; font-family: var(--font); box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s, border-color .2s; }
.app-tile:hover { transform: translateY(-4px); border-color: var(--blue-400); box-shadow: var(--shadow-lg); }
.app-tile-ico { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 8px; }
.app-tile-name { font-weight: 700; font-size: 15.5px; color: var(--ink); line-height: 1.25; }
.app-tile-desc { font-size: 13px; color: var(--ink-3); }

/* Avatar de aplicación en mk-card (step 10) */
.mk-avatar.app-av { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }
.mk-name.app-name { font-family: var(--display); font-size: 18px; }

/* Chip de gas refrigerante */
.gas-chip { font-size: 11px; font-weight: 700; letter-spacing: .02em; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line-2); padding: 3px 9px; border-radius: var(--radius-pill); }
.how { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.how-ico { width: 50px; height: 50px; border-radius: 13px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.how-t { font-weight: 700; font-size: 17px; color: var(--ink); margin-bottom: 7px; }
.how-d { font-size: 14.5px; color: var(--ink-2); line-height: 1.5; }

/* Band SANHUA */
.band { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -24px; padding: 64px 24px; border-radius: 0; }
.band > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.band-head { text-align: center; margin-bottom: 40px; }
.band-title { font-family: var(--display); font-weight: 800; font-size: clamp(25px, 3.8vw, 38px); letter-spacing: -.02em; line-height: 1.1; margin: 18px 0 16px; color: var(--ink); }
.band-p { font-size: 17px; color: var(--ink-2); line-height: 1.62; max-width: 680px; margin: 0 auto; }
.metrics { margin-bottom: 28px; }
.metric { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 18px; text-align: center; box-shadow: var(--shadow); }
.metric-n { font-family: var(--display); font-weight: 800; font-size: 34px; line-height: 1; background: linear-gradient(135deg, var(--blue-700), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.metric-t { font-size: 13px; color: var(--ink-2); margin-top: 10px; line-height: 1.4; }
.oem { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow); }
.oem-label { font-size: 14px; color: var(--ink-2); font-weight: 600; margin-bottom: 18px; }
.oem-chips { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; }
.oem-chip { font-size: 14px; font-weight: 600; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line-2); padding: 8px 16px; border-radius: var(--radius-pill); }
.oem-toggle {
  margin-top: 20px; padding: 10px 22px; border-radius: var(--radius-sm); border: none;
  background: var(--accent); color: #fff; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: background .15s, transform .1s; letter-spacing: .02em;
}
.oem-toggle:hover { background: var(--orange-600); transform: translateY(-1px); }

.oem-table-wrap { margin-top: 20px; overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.oem-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.oem-table thead tr { background: var(--surface-2); }
.oem-table th { padding: 10px 14px; text-align: left; font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); border-bottom: 1.5px solid var(--line); }
.oem-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.oem-table tbody tr:last-child td { border-bottom: none; }
.oem-table tbody tr:hover { background: var(--brand-soft); }
.oem-row-brand { display: flex; align-items: center; gap: 9px; white-space: nowrap; }
.oem-av { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  font-size: 10px; font-weight: 800; letter-spacing: .04em; flex-shrink: 0; }
.oem-td-comp { color: var(--ink-2); max-width: 300px; line-height: 1.5; }
.oem-td-seg { color: var(--ink-3); font-size: 12px; white-space: nowrap; }
.oem-tipo { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.oem-tipo[data-tipo="directo"]    { background: oklch(93% .08 145); color: oklch(35% .12 145); }
.oem-tipo[data-tipo="global"]     { background: oklch(93% .10 60);  color: oklch(38% .14 50);  }
.oem-tipo[data-tipo="plataforma"] { background: oklch(92% .07 240); color: oklch(36% .12 240); }
.oem-table-leyenda { display: flex; flex-wrap: wrap; gap: 16px; padding: 14px 16px;
  background: var(--surface-2); border-top: 1px solid var(--line); }
.oem-ley-item { display: flex; align-items: center; gap: 8px; }
.oem-ley-desc { font-size: 12px; color: var(--ink-3); }
.oem-table-note { padding: 10px 16px; font-size: 11.5px; color: var(--ink-3); line-height: 1.6; border-top: 1px solid var(--line); margin: 0; }
.band-cta { text-align: center; margin-top: 40px; }

/* ───────── Recomendaciones inteligentes ───────── */
.rec-block { margin: 24px 0; padding: 20px; background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius); }
.rec-header { margin-bottom: 14px; }
.rec-title { display: block; font-family: var(--display); font-size: 15px; font-weight: 700; color: var(--ink); }
.rec-sub { display: block; font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.rec-list { display: flex; flex-direction: column; gap: 10px; }
.rec-card { padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface-2); }
.rec-card--alta  { border-left: 3px solid oklch(60% .18 30); background: oklch(98% .02 30); }
.rec-card--media { border-left: 3px solid var(--brand); background: var(--brand-soft); }
.rec-card--baja  { border-left: 3px solid var(--line-2); }
.rec-card-top { display: flex; align-items: center; gap: 12px; }
.rec-ico { font-size: 20px; flex-shrink: 0; line-height: 1; }
.rec-card-body { flex: 1; min-width: 0; }
.rec-nombre { display: block; font-weight: 700; font-size: 13.5px; color: var(--ink); }
.rec-add-btn { flex-shrink: 0; display: flex; align-items: center; gap: 5px; padding: 7px 13px;
  background: var(--accent); color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: 12.5px; font-weight: 700; cursor: pointer; transition: background .15s; white-space: nowrap; }
.rec-add-btn:hover { background: var(--orange-600); }
.rec-razon { font-size: 12px; color: var(--ink-2); line-height: 1.6; margin: 8px 0 0; }
@media (max-width: 600px) {
  .rec-card-top { flex-wrap: wrap; }
  .rec-add-btn { width: 100%; justify-content: center; margin-top: 8px; }
}
.compat-block { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
.compat-title { font-family: var(--display); font-size: 19px; font-weight: 700; color: var(--ink); margin: 0 0 6px; }
.compat-sub { font-size: 14px; color: var(--ink-3); margin: 0 0 16px; }
.compat-table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.compat-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.compat-table thead tr { background: var(--surface-2); }
.compat-table th { padding: 10px 14px; text-align: left; font-weight: 700; font-size: 12px;
  text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); border-bottom: 1.5px solid var(--line); }
.compat-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.compat-table tbody tr:last-child td { border-bottom: none; }
.compat-table tbody tr:hover { background: var(--brand-soft); }
.compat-td-lineas { color: var(--ink-2); font-size: 12.5px; }
.compat-td-codes { font-family: var(--mono); font-size: 12px; color: var(--blue-700); }
.compat-gama { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.compat-gama.gama-hi  { background: oklch(91% .10 240); color: oklch(35% .16 240); }
.compat-gama.gama-mid { background: oklch(93% .07 200); color: oklch(36% .12 200); }
.compat-gama.gama-lo  { background: var(--surface-2);   color: var(--ink-3); }
.compat-note { font-size: 11.5px; color: var(--ink-3); margin: 12px 0 0; line-height: 1.6; }

/* Diagrama interactivo refrigeración comercial */
.diag-block { margin-top: 36px; }
.diag-canvas {
  position: relative; width: 100%;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.diag-pipes { position: absolute; inset: 0; width: 100%; height: 100%; }
.diag-pipe { fill: none; stroke-width: .7; opacity: .55; }
.diag-pipe--warm    { stroke: oklch(70% .14 50); }
.diag-pipe--cool    { stroke: oklch(72% .1 230); }
.diag-pipe--neutral { stroke: var(--ink-3); }
.diag-pipe--dash    { stroke-dasharray: 2 1.6; opacity: .45; }
.diag-node {
  position: absolute; transform: translate(-0%, -0%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: none; border: none; padding: 0; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.diag-node.static { cursor: default; }
.diag-img-wrap {
  position: relative; width: 100%; aspect-ratio: 1;
  background: var(--surface); border: 1.5px solid var(--line);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 1px 3px rgba(20,30,45,.06);
  transition: border-color .2s, box-shadow .2s;
}
.diag-node.static .diag-img-wrap { border-style: dashed; background: color-mix(in oklab, var(--surface) 60%, var(--surface-2)); box-shadow: none; }
.diag-img {
  width: 78%; height: 78%; object-fit: contain;
  filter: grayscale(1) opacity(.45); transition: filter .25s;
}
.diag-img--ph { display:flex; align-items:center; justify-content:center; font-size: 18px; color: var(--accent); }
.diag-img--ph.static-ph { color: var(--ink-3); font-size: 22px; }
.diag-node:not(.static):hover .diag-img-wrap { border-color: var(--accent); }
.diag-node.sel .diag-img { filter: none; }
.diag-node.sel .diag-img-wrap { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 22%, transparent); }
.diag-check {
  position: absolute; top: -7px; right: -7px; width: 20px; height: 20px;
  background: var(--accent); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.diag-label {
  font-size: 10.5px; line-height: 1.25; text-align: center;
  color: var(--ink-3); font-weight: 600; transition: color .2s;
}
.diag-node.sel .diag-label { color: var(--ink-1, var(--ink)); }
.diag-legend {
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  margin-top: 12px; padding: 10px 14px;
  background: var(--surface-2); border-radius: 8px;
}
.diag-leg-item { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-3); font-weight: 600; }
.diag-leg-line { display: inline-block; width: 26px; height: 3px; border-radius: 2px; }
.diag-leg-dash {
  background: repeating-linear-gradient(90deg, #9AA3AE 0 5px, transparent 5px 9px);
}
@media (max-width: 720px) {
  .diag-label { font-size: 8.5px; }
}

/* Tech choice header — entre TXV y Kit SEK */
.tech-choice-header {
  grid-column: 1 / -1;
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 18px; margin-bottom: 4px;
  background: color-mix(in oklab, var(--accent) 8%, transparent);
  border: 1.5px dashed color-mix(in oklab, var(--accent) 35%, transparent);
  border-radius: var(--radius);
}
.tech-choice-label { font-size: 14px; font-weight: 700; color: var(--accent); }
.tech-choice-sub   { font-size: 12.5px; color: var(--fg-soft, var(--ink-3)); line-height: 1.5; }

/* Savings banner dentro del card SEK */
.sek-savings-banner {
  display: flex; align-items: flex-start; gap: 8px;
  background: oklch(95% .08 140); border: 1.5px solid oklch(78% .14 140);
  border-radius: 8px; padding: 10px 12px; margin-bottom: 10px;
  font-size: 12.5px; line-height: 1.5; color: oklch(30% .1 140);
}
.sek-sav-ico { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.sek-excl-note {
  font-size: 12px; color: var(--ink-3); font-style: italic;
  padding: 6px 10px; background: var(--surface-2); border-radius: 6px;
  margin-bottom: 8px;
}


/* Footer */
.footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: auto; }
.footer-in { padding: 30px 24px; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 9px; font-family: var(--display); font-size: 16px; color: var(--ink); }
.footer-brand b { color: var(--accent); }
.footer-certs { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.footer-legal {
  font-size: 11.5px; color: var(--ink-3); line-height: 1.7; border-top: 1px solid var(--line);
  padding-top: 16px; margin-top: 12px; display: flex; flex-direction: column; gap: 8px;
}
.footer-legal p { margin: 0; }
.footer-legal b { color: var(--ink-2); }
.footer-ai { font-size: 11px; opacity: .75; }
.footer-admin-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-admin-btn { background: none; border: none; cursor: pointer; color: var(--ink-3); font-size: 12px; font-family: var(--font); padding: 4px 0; opacity: .6; text-decoration: none; }
.footer-admin-btn:hover { opacity: 1; color: var(--brand); }

/* ───────── Panel de solicitudes ───────── */
.sol-empty { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 60px 0; color: var(--ink-3); font-size: 15px; }
.sol-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 20px; align-items: start; }
.sol-list { display: flex; flex-direction: column; gap: 8px; }
.sol-row { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; text-align: left; cursor: pointer; font-family: var(--font); transition: border-color .15s, box-shadow .15s; }
.sol-row:hover { border-color: var(--brand); }
.sol-row.sel { border-color: var(--brand); background: var(--brand-soft); }
.sol-row-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 5px; }
.sol-nombre { font-weight: 700; font-size: 14.5px; color: var(--ink); }
.sol-fecha { font-size: 11.5px; color: var(--ink-3); flex-shrink: 0; }
.sol-row-bot { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); }
.sol-count { margin-left: auto; font-weight: 600; color: var(--brand); font-size: 12px; }
.sol-detail { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow); }
.sol-detail-head { display: flex; justify-content: space-between; align-items: center; }
.sol-detail-title { font-family: var(--display); font-weight: 800; font-size: 18px; color: var(--ink); }
.sol-del { background: none; border: none; cursor: pointer; font-size: 18px; opacity: .5; }
.sol-del:hover { opacity: 1; }
.sol-detail-fields { display: flex; flex-direction: column; gap: 7px; }
.sol-field { display: flex; gap: 10px; font-size: 13.5px; }
.sol-field span { color: var(--ink-3); min-width: 80px; flex-shrink: 0; }
.sol-field b { color: var(--ink); word-break: break-word; }
.sol-items { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--line); padding-top: 14px; }
.sol-item { display: flex; gap: 10px; align-items: flex-start; }
.sol-item-n { font-weight: 700; color: var(--accent); font-size: 14px; flex-shrink: 0; min-width: 24px; }
.sol-item-nombre { font-weight: 600; font-size: 13.5px; color: var(--ink); }
.sol-item-cod { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--brand); }
.sol-item-eq { font-size: 12px; color: var(--ink-3); }
@media (max-width: 640px) { .sol-wrap { grid-template-columns: 1fr; } }

/* ───────── Responsive ───────── */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 8px; padding: 40px 0 36px; }
  .hero-visual { max-width: 280px; margin: 8px auto 0; order: -1; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-apps { grid-template-columns: repeat(2, 1fr); }
  .comp-grid { grid-template-columns: 1fr; }
  .anuncio { grid-template-columns: 1fr; }
  .anuncio-media { min-height: 200px; aspect-ratio: 16 / 9; }
  .appd-card { grid-template-columns: 1fr; }
  .appd-iso { border-right: none; border-bottom: 1px solid var(--line); aspect-ratio: 16 / 7; }
  .appd-hero { flex-direction: column; gap: 14px; padding: 24px; }
  .hero-visual { max-width: 100%; aspect-ratio: 16 / 9; order: -1; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .band { margin: 0 -16px; padding: 48px 16px; }
  .grid-equipos { grid-template-columns: 1fr; }
  .grid-marcas-big { grid-template-columns: 1fr; }
  .grid-series { grid-template-columns: 1fr; }
  .mk-card { flex-wrap: wrap; }
  .mk-meta { width: 100%; justify-content: flex-end; }
  .form-2 { grid-template-columns: 1fr; }
  .header-tel span { display: none; }
  .brand-tag { display: none; }
  .tb-sep, .tb-soft { display: none; }
  .step-label { display: none; }
  .step-line { width: 18px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .sticky-cta { flex-direction: column; align-items: stretch; gap: 12px; }
  .sticky-cta .btn { width: 100%; }
  .prod { padding: 14px; gap: 12px; }
  .prod-ico { width: 42px; height: 42px; }
  .cart-bar-in { padding: 12px 16px; }
  .cart-bar-info { font-size: 13.5px; }
  .tipo-card { padding: 16px; }
  .add-btn { padding: 9px 13px; }
  .grid-kits { grid-template-columns: 1fr; }
  .kit-card-nombre { font-size: 16px; }
}

/* ─────────────────────────────────────────────────────────────
   Kits frecuentes (beta)
───────────────────────────────────────────────────────────── */

.kits-hd { margin-bottom: 28px; }
.kits-hd-left { max-width: 640px; }

/* Beta badge inline */
.kit-beta-badge {
  display: inline-flex; align-items: center;
  font-size: 10px; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--orange); color: #fff;
  padding: 2px 7px; border-radius: 4px;
  line-height: 1.5;
}

/* Hero kits button */
.hero-kits-btn {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px !important; padding: 9px 16px !important;
}

/* Grid */
.grid-kits {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  align-items: start;
}

/* Card shell */
.kit-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s, transform .2s, border-color .2s;
}
.kit-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--line-2);
}

/* Accent bar top */
.kit-card-accent-bar {
  height: 3px;
  flex-shrink: 0;
}

/* Card header */
.kit-card-hd {
  padding: 16px 20px 15px;
  display: flex;
  align-items: flex-start;
  gap: 13px;
}
.kit-card-ico-wrap {
  flex-shrink: 0;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
}
.kit-card-hd-body { flex: 1; min-width: 0; }
.kit-card-label {
  display: block;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--ink-3);
  margin-bottom: 2px;
}
.kit-card-nombre {
  margin: 0;
  font-size: 17px; font-weight: 800;
  font-family: var(--display);
  color: var(--ink); line-height: 1.15;
}
.kit-card-sub {
  display: block;
  font-size: 12px; color: var(--ink-3);
  margin-top: 3px;
}
.kit-complete-badge {
  flex-shrink: 0;
  font-size: 9.5px; font-weight: 800; text-transform: uppercase;
  letter-spacing: .06em; color: #fff;
  padding: 3px 8px; border-radius: 99px;
  white-space: nowrap; margin-top: 2px;
}

/* Divider */
.kit-card-divider {
  height: 1px;
  background: var(--line);
  margin: 0 20px;
}

/* Card body */
.kit-card-body {
  padding: 16px 20px 20px;
  flex: 1;
  display: flex; flex-direction: column; gap: 14px;
}

/* Escenario + aplicación */
.kit-scenario-block {
  display: flex; flex-direction: column; gap: 6px;
}
.kit-escenario {
  display: flex; align-items: center; gap: 8px;
}
.kit-esc-dot {
  width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0;
}
.kit-esc-text {
  font-size: 13.5px; font-weight: 600; color: var(--ink);
  line-height: 1.3;
}
.kit-aplicacion {
  display: flex; align-items: baseline; gap: 5px;
  padding-left: 16px;
}
.kit-aplic-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--ink-3); flex-shrink: 0;
}
.kit-aplic-val {
  font-size: 12px; color: var(--ink-3); line-height: 1.35;
}

/* Componentes lista */
.kit-comps {
  display: flex; flex-direction: column; gap: 10px;
  padding: 13px 15px;
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.kit-comp-row {
  display: flex; align-items: flex-start; gap: 10px;
}
.kit-comp-num {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 800;
  border: 1.5px solid;
  border-radius: 50%;
  margin-top: 1px;
  line-height: 1;
}
.kit-comp-info {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 4px;
}
.kit-comp-nombre {
  font-size: 13px; font-weight: 600; color: var(--ink);
  line-height: 1.3;
}
.kit-comp-chip {
  display: inline-flex; align-items: center; gap: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: 7px; overflow: hidden;
  width: fit-content; max-width: 100%;
}
.kit-comp-chip-k {
  font-family: var(--font);
  font-size: 9.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: #fff; background: var(--accent);
  padding: 2px 6px;
  white-space: nowrap;
}
.kit-comp-chip-v {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px; color: var(--ink);
  padding: 2px 7px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 220px;
}

/* Nota técnica */
.kit-tip-wrap { display: flex; flex-direction: column; gap: 6px; }
.kit-tip-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer;
  font-size: 12px; font-weight: 700;
  padding: 0; font-family: var(--font);
  text-align: left;
  transition: opacity .15s;
}
.kit-tip-toggle:hover { opacity: .75; }
.kit-tip-arrow { font-size: 9px; }
.kit-tip-text {
  font-size: 12.5px; color: var(--ink-2); line-height: 1.65;
  margin: 0; padding: 11px 13px;
  border-radius: var(--radius-sm);
  border-left: 3px solid;
}

/* CTA */
.kit-cta-btn {
  margin-top: auto;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  padding: 11px 18px;
  border: none; border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font); font-size: 14px; font-weight: 700;
  cursor: pointer;
  transition: filter .18s, transform .15s;
}
.kit-cta-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.kit-cta-btn:active { transform: translateY(0); }

@media (max-width: 640px) {
  .grid-kits { grid-template-columns: 1fr; }
  .kit-card-nombre { font-size: 16px; }
  .kit-comp-chip-v { max-width: 160px; }
}

/* ═══════════════════════════════════════════════════════════════
   Asistente IA — Diagnóstico por síntomas
═══════════════════════════════════════════════════════════════ */

/* ── Badge IA ── */
.ai-ia-badge {
  display: inline-flex; align-items: center;
  font-size: 10px; font-weight: 900; letter-spacing: .1em;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
  color: #fff; padding: 2px 8px; border-radius: 5px;
}
.ai-model-tag {
  font-size: 11px; color: var(--ink-3); font-weight: 500; letter-spacing: .03em;
}

/* ── Hero de la pantalla AI ── */
.ai-screen { }
.ai-hd { margin-bottom: 24px; }
.ai-badge-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }

/* ── Feature banner en Home ── */
.ai-feature-banner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0;
  background: linear-gradient(118deg, var(--blue-900) 0%, var(--blue-700) 60%, oklch(0.42 0.18 250) 100%);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg); margin: 8px 0 12px;
  cursor: pointer; transition: transform .2s, box-shadow .2s;
}
.ai-feature-banner:hover { transform: translateY(-3px); box-shadow: 0 24px 56px rgba(0,40,120,.22); }
.ai-feature-copy {
  padding: 36px 38px; display: flex; flex-direction: column;
  align-items: flex-start; gap: 14px; justify-content: center;
}
.ai-feature-eyebrow { display: flex; align-items: center; gap: 8px; }
.ai-feature-eyebrow-text { font-size: 12px; font-weight: 600; color: #aecbec; letter-spacing: .02em; }
.ai-feature-title {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(20px, 2.4vw, 28px); line-height: 1.1;
  letter-spacing: -.02em; color: #fff; margin: 0;
}
.ai-feature-desc { font-size: 15px; color: #cfe0f4; line-height: 1.58; margin: 0; max-width: 400px; }
.ai-feature-cta {
  display: inline-flex !important; align-items: center !important; gap: 8px !important;
  background: rgba(255,255,255,.15) !important; border: 1.5px solid rgba(255,255,255,.32) !important;
  color: #fff !important; box-shadow: none !important;
  backdrop-filter: blur(6px);
  transition: background .2s !important;
}
.ai-feature-cta:hover { background: rgba(255,255,255,.26) !important; }

/* Preview del chat (decorativo) */
.ai-feature-preview {
  display: flex; flex-direction: column; justify-content: center;
  gap: 10px; padding: 32px 32px 32px 16px;
  pointer-events: none;
}
.ai-fp-bubble {
  padding: 11px 15px; border-radius: 14px;
  font-size: 13.5px; line-height: 1.5; max-width: 96%;
}
.ai-fp-bubble--user {
  align-self: flex-end;
  background: rgba(255,255,255,.16); color: #fff;
  border-radius: 14px 4px 14px 14px;
}
.ai-fp-bubble--ai {
  align-self: flex-start;
  background: rgba(255,255,255,.08); color: #e0ecfa;
  border-radius: 4px 14px 14px 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.ai-fp-avatar {
  font-size: 11px; color: #ffd9bf; font-weight: 900; letter-spacing: .06em;
  text-transform: uppercase;
}
.ai-fp-bubble--ai strong { color: #fff; }
.ai-fp-cta {
  align-self: flex-start; margin-left: 4px;
  font-size: 12px; font-weight: 700; color: var(--accent);
  opacity: .85; letter-spacing: .02em;
}

/* ── Chat shell ── */
.ai-chat-shell {
  display: flex; flex-direction: column; gap: 14px;
  max-width: 760px;
}

/* Starter chips */
.ai-starters { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-starter-btn {
  display: inline-flex; align-items: center;
  padding: 8px 15px; border-radius: 99px;
  border: 1.5px solid var(--line-2);
  background: var(--surface); color: var(--ink-2);
  font-family: var(--font); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .18s; white-space: nowrap;
}
.ai-starter-btn:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }

/* Messages list */
.ai-messages {
  display: flex; flex-direction: column; gap: 14px;
  max-height: 480px; overflow-y: auto; padding: 4px 2px 8px;
  scroll-behavior: auto;
}
.ai-messages::-webkit-scrollbar { width: 5px; }
.ai-messages::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 3px; }

/* Individual message */
.ai-msg { display: flex; gap: 10px; align-items: flex-start; }
.ai-msg--user { flex-direction: row-reverse; }

/* AI avatar */
.ai-avatar {
  width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-700), oklch(0.55 0.22 260));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,79,158,.30);
}
.ai-avatar-inner { font-size: 13px; color: #fff; font-weight: 900; line-height: 1; }

/* Bubble wrap */
.ai-bubble-wrap { display: flex; flex-direction: column; gap: 10px; max-width: 82%; }
.ai-msg--user .ai-bubble-wrap { align-items: flex-end; }

/* Bubbles */
.ai-bubble {
  padding: 12px 16px; border-radius: 16px;
  box-shadow: var(--shadow);
}
.ai-bubble--assistant {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 4px 16px 16px 16px;
}
.ai-bubble--user {
  background: var(--blue-700); border: 1px solid var(--blue-700);
  border-radius: 16px 4px 16px 16px;
}
.ai-bubble-text {
  font-size: 14.5px; line-height: 1.6; color: var(--ink);
  text-wrap: pretty;
}
.ai-bubble--user .ai-bubble-text { color: #fff; }
.ai-text-para { margin: 0; }
.ai-text-bullet {
  display: flex; gap: 8px; align-items: baseline;
  margin-top: 5px;
  font-size: 14px; line-height: 1.55; color: var(--ink);
}
.ai-text-bullet-dot {
  flex-shrink: 0; font-weight: 700;
  color: var(--accent); min-width: 14px;
}

/* Typing indicator */
.ai-typing {
  display: flex !important; align-items: center; gap: 5px;
  padding: 14px 18px !important;
}
.ai-typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3);
  animation: aiTypingBounce 1.3s ease-in-out infinite;
}
.ai-typing span:nth-child(2) { animation-delay: .18s; }
.ai-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes aiTypingBounce {
  0%, 80%, 100% { transform: scale(.65); opacity: .45; }
  40% { transform: scale(1.1); opacity: 1; }
}

/* ── Sugerencias de kit ── */
.ai-suggestions { display: flex; flex-direction: column; gap: 8px; }
.ai-sug-label {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .07em; color: var(--ink-3);
}
.ai-kit-sug {
  display: flex; border: 1px solid var(--line); border-radius: var(--radius-sm);
  overflow: hidden; background: var(--surface-2);
  transition: box-shadow .18s;
}
.ai-kit-sug:hover { box-shadow: var(--shadow-lg); }
.ai-kit-sug-bar { width: 4px; flex-shrink: 0; }
.ai-kit-sug-body { flex: 1; padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.ai-kit-sug-hd { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ai-kit-sug-ico { flex-shrink: 0; }
.ai-kit-sug-nombre { font-weight: 700; font-size: 13.5px; color: var(--ink); }
.ai-kit-sug-sub { font-size: 12px; color: var(--ink-3); }
.ai-kit-sug-comps { display: flex; flex-wrap: wrap; gap: 5px; }
.ai-kit-sug-comp {
  font-size: 11.5px; padding: 2px 9px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-pill); color: var(--ink-2);
}
.ai-kit-sug-cta {
  align-self: flex-start; display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border: none; border-radius: var(--radius-sm);
  color: #fff; font-family: var(--font); font-size: 12.5px; font-weight: 700;
  cursor: pointer; transition: filter .15s, transform .1s;
}
.ai-kit-sug-cta:hover { filter: brightness(1.12); transform: translateY(-1px); }

/* WhatsApp CTA en chat */
.ai-wpp-cta {
  align-self: flex-start;
  margin-top: 2px;
}

/* ── Input area ── */
.ai-input-row {
  display: flex; align-items: flex-end; gap: 10px;
  background: var(--surface); border: 1.5px solid var(--line-2);
  border-radius: var(--radius); padding: 10px 10px 10px 16px;
  box-shadow: var(--shadow); transition: border-color .18s, box-shadow .18s;
}
.ai-input-row:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.ai-input {
  flex: 1; border: none; outline: none; background: transparent;
  font-family: var(--font); font-size: 15px; color: var(--ink);
  resize: none; line-height: 1.5;
}
.ai-input::placeholder { color: var(--ink-3); }
.ai-input:disabled { opacity: .6; }
.ai-send-btn {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: var(--radius-sm); background: var(--brand);
  color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s;
}
.ai-send-btn:hover:not(:disabled) { background: var(--blue-600); transform: scale(1.06); }
.ai-send-btn:disabled { background: var(--line-2); cursor: default; }

/* ── Responsive ── */
@media (max-width: 760px) {
  .ai-feature-banner { grid-template-columns: 1fr; }
  .ai-feature-preview { display: none; }
  .ai-feature-copy { padding: 28px 24px; }
  .ai-feature-title { font-size: 20px; }
  .ai-bubble-wrap { max-width: 90%; }
}