/* site.css — sistema visual COMÚN del sitio público de MCP ERP Cloud.
   Una sola paleta (azul marino/cobalto, blanco, grises), una tipografía
   sin serifas de 16 a 18 px, tres niveles de botón (principal, secundario,
   enlace), encabezado fijo de 68 px con menú corto (Inicio, Servicios,
   Cómo lo hacemos, Demo, FAQ), tema claro/oscuro persistente, menú móvil,
   estados accesibles (foco visible, objetivos táctiles de 44 px, contraste
   AA). Las páginas agregan su CSS específico DESPUÉS de este archivo. */

:root {
  --paper: #FAFAFA; --surface: #FFFFFF; --ink: #14161A; --graphite: #4F5563;
  --cobalt: #2D3FE0; --cobalt-strong: #2433B8; --cobalt-soft: #EEF0FD; --line: #E2E4EA;
  --navy: #0F1A3A; --success: #1C8A5A; --warn: #A54E08; --danger: #B3261E;
  --on-cobalt: #FFFFFF; --shadow: rgba(20,22,26,0.10); --shadow-hover: rgba(20,22,26,0.18);
  --nav-bg: rgba(250,250,250,0.86);
  --hero-glow-a: rgba(45,63,224,0.14); --hero-glow-b: rgba(28,138,90,0.10);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 10px; --max: 1120px; --header-h: 68px;
  color-scheme: light;
}
[data-theme="dark"] {
  --paper: #0E0F13; --surface: #17181D; --ink: #F2F2F5; --graphite: #A7ABB8;
  --cobalt: #7C88FF; --cobalt-strong: #9AA3FF; --cobalt-soft: #1B1F3D; --line: #2A2C34;
  --navy: #0B1229; --success: #3ACB8E; --warn: #E9A25A; --danger: #FF7B72;
  --on-cobalt: #0E0F13; --shadow: rgba(0,0,0,0.35); --shadow-hover: rgba(0,0,0,0.5);
  --nav-bg: rgba(14,15,19,0.82);
  --hero-glow-a: rgba(124,136,255,0.18); --hero-glow-b: rgba(58,203,142,0.10);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font);
       font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: clip; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
a { color: var(--cobalt); }
img, svg { max-width: 100%; }
.mono { font-family: var(--mono); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 2px; border-radius: 4px; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 6px; z-index: 100; }
.skip-link:focus { left: 12px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; } }

/* Layout */
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
main > section, .section { padding: 72px 24px; max-width: var(--max); margin: 0 auto; }
@media (min-width: 900px) { main > section, .section { padding: 96px 48px; } }
.eyebrow { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cobalt); display: block; margin-bottom: 14px; }
.lead { font-size: 1.2rem; color: var(--graphite); max-width: 60ch; }
.grid-2 { display: grid; gap: 24px; grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Botones — tres niveles */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 22px;
       border-radius: 8px; font-size: 1rem; font-weight: 600; text-decoration: none; border: 1.5px solid transparent;
       font-family: var(--font); cursor: pointer; transition: transform .15s, box-shadow .15s, background .15s; white-space: nowrap; }
.btn-primary { background: var(--cobalt); color: var(--on-cobalt); }
.btn-primary:hover { background: var(--cobalt-strong); transform: translateY(-1px); box-shadow: 0 6px 20px var(--shadow-hover); }
.btn-secondary { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-secondary:hover { border-color: var(--ink); }
.btn-link { background: none; color: var(--ink); padding-left: 10px; padding-right: 10px; }
.btn-link:hover { color: var(--cobalt); text-decoration: underline; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .6; cursor: not-allowed; }

/* Encabezado — corto, limpio, con sombra suave al hacer scroll */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--nav-bg); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 24px var(--shadow); }
.site-header-inner { max-width: var(--max); margin: 0 auto; height: var(--header-h); display: flex; align-items: center; gap: 16px; padding: 0 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; color: var(--ink); text-decoration: none; white-space: nowrap; letter-spacing: -0.01em; }
.brand .logo-mark { color: var(--cobalt); flex: none; }
.brand-wrap { display: flex; flex-direction: column; justify-content: center; line-height: 1.1; }
.brand-partner { display: none; color: var(--graphite); font-size: 0.68rem; white-space: nowrap; padding-left: 36px; margin-top: 1px; letter-spacing: 0.01em; }
.brand-partner b { color: var(--ink); font-weight: 600; }
@media (min-width: 1024px) { .brand-partner { display: block; } }
/* Lockup del socio: "un laboratorio de [logo Solubyte]" */
.partner-lockup { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--graphite); font-size: 0.9rem; margin-top: 18px; }
.partner-lockup img { height: 44px; width: auto; }
.partner-lockup.partner-lg img { height: 56px; }
[data-theme="dark"] .partner-lockup img { background: #FFFFFF; border-radius: 8px; padding: 4px 6px; }
.partner-lockup:hover { color: var(--ink); }
.footer-partner { display: flex; gap: 14px; align-items: flex-start; margin-top: 16px; }
.footer-partner img { width: 96px; height: auto; flex: none; }
.footer-partner .footer-small { margin: 0; }
.site-nav { display: none; align-items: center; gap: 2px; margin-left: 20px; }
.site-nav > a { position: relative; color: var(--graphite); text-decoration: none; font-size: 0.95rem; font-weight: 500; padding: 8px 12px; border-radius: 8px; min-height: 40px; display: inline-flex; align-items: center; white-space: nowrap; transition: color .15s, background .15s; }
.site-nav > a:hover { color: var(--ink); background: var(--cobalt-soft); }
.site-nav > a.active { color: var(--cobalt); font-weight: 600; }
.site-nav > a.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px; border-radius: 2px; background: var(--cobalt); }
.site-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.lang-switch { display: none; gap: 2px; border: 1px solid var(--line); border-radius: 8px; padding: 2px; background: var(--surface); }
.lang-switch button { background: none; border: none; padding: 6px 8px; min-height: 32px; font-family: var(--mono); font-size: 0.74rem; color: var(--graphite); cursor: pointer; border-radius: 6px; }
.lang-switch button.active { background: var(--ink); color: var(--paper); }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; padding: 0; transition: background .15s, border-color .15s; }
.theme-toggle:hover { border-color: var(--cobalt); color: var(--cobalt); }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { display: inline-flex; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.btn-access { padding-left: 16px; padding-right: 16px; min-height: 40px; }
.menu-button { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); cursor: pointer; padding: 0; }
.site-actions .btn-access { display: none; }
.site-actions .btn-primary { min-height: 40px; }
@media (min-width: 1024px) {
  .site-nav { display: flex; }
  .lang-switch { display: flex; }
  .site-actions .btn-access { display: inline-flex; }
  .menu-button { display: none; }
}
@media (max-width: 1023px) { .site-actions .btn-primary { padding: 8px 14px; font-size: 0.9rem; } }
/* Escritorio angosto (1024-1199): todo cabe sin recortar el botón principal */
@media (min-width: 1024px) and (max-width: 1199px) {
  .site-nav { margin-left: 8px; gap: 0; }
  .site-nav > a { padding: 8px 8px; font-size: 0.88rem; }
  .lang-switch { display: none; }
  .site-actions .btn-access { padding-left: 12px; padding-right: 12px; }
  .site-actions .btn-primary { padding: 8px 12px; font-size: 0.88rem; }
}
@media (max-width: 520px) { .site-actions .btn-primary { display: none; } }

/* Menú móvil */
.mobile-menu { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; height: calc(100vh - var(--header-h)); background: var(--paper); overflow-y: auto; padding: 16px 20px 40px; z-index: 29; }
.mobile-menu[hidden] { display: none; }
.mobile-menu-group { padding: 14px 0; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.mobile-menu-group > a { color: var(--ink); text-decoration: none; font-size: 1.05rem; font-weight: 500; padding: 12px 8px; min-height: 44px; display: flex; align-items: center; border-radius: 8px; }
.mobile-menu-group > a.active { color: var(--cobalt); font-weight: 700; }
.mobile-menu-title { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--graphite); padding: 6px 8px; }
.mobile-menu-prefs { gap: 8px; }
.theme-seg { display: inline-flex; gap: 4px; border: 1px solid var(--line); border-radius: 10px; padding: 4px; background: var(--surface); margin: 0 8px 8px; width: max-content; }
.theme-seg button { border: none; background: none; color: var(--graphite); font: inherit; font-weight: 600; font-size: 0.92rem; padding: 8px 16px; min-height: 40px; border-radius: 7px; cursor: pointer; }
.theme-seg button.active { background: var(--cobalt); color: var(--on-cobalt); }
.mobile-menu-actions { display: grid; gap: 10px; padding-top: 18px; }
.mobile-menu-close { margin-top: 12px; }
body.menu-open { overflow: hidden; }

/* Estados de agente / capacidad */
.status { display: inline-block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.05em; text-transform: uppercase; padding: 3px 9px; border-radius: 20px; white-space: nowrap; }
.status-disponible { background: rgba(28,138,90,0.14); color: var(--success); }
.status-piloto { background: rgba(165,78,8,0.14); color: var(--warn); }
.status-roadmap { background: var(--line); color: var(--graphite); }

/* Portafolio */
.agent-group { margin-top: 36px; }
.agent-group-title { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--graphite); margin-bottom: 4px; }
.agent-group-desc { color: var(--graphite); margin-bottom: 14px; }
.agent-cards { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .agent-cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .agent-cards { grid-template-columns: repeat(3, 1fr); } .agent-cards:has(> :nth-child(2):last-child) { grid-template-columns: 1fr 1fr; } }
.agent-card { display: grid; gap: 8px; align-content: start; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--ink); text-decoration: none; transition: border-color .15s, box-shadow .15s, transform .15s; }
.agent-card:hover { border-color: var(--cobalt); box-shadow: 0 10px 30px var(--shadow); transform: translateY(-2px); }
.agent-card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; }
.agent-icon { width: 42px; height: 42px; border-radius: 11px; background: var(--cobalt-soft); color: var(--cobalt); display: inline-flex; align-items: center; justify-content: center; flex: none; }
.agent-icon svg { width: 22px; height: 22px; }
.agent-card h3 { margin: 0; font-size: 1.12rem; }
.agent-card p { margin: 0; color: var(--graphite); font-size: 0.95rem; }
.agent-card-link { color: var(--cobalt); font-weight: 600; font-size: 0.9rem; }
.capability-list { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 8px; }
.capability-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }

/* Tarjetas y señales */
.card { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); padding: 24px; }
/* Fondo del hero: dos halos suaves, sin imágenes */
.hero-bg { position: relative; isolation: isolate; }
.hero-bg::before { content: ""; position: absolute; inset: -80px 0 auto; height: 520px; z-index: -1; pointer-events: none;
  background: radial-gradient(600px 320px at 18% 20%, var(--hero-glow-a), transparent 70%), radial-gradient(520px 300px at 82% 10%, var(--hero-glow-b), transparent 70%); }
.trust-row { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .trust-row { grid-template-columns: repeat(4, 1fr); } }
.trust-item { border-left: 3px solid var(--cobalt); padding: 8px 14px; background: var(--cobalt-soft); border-radius: 0 8px 8px 0; font-size: 0.95rem; }
.trust-item b { display: block; }

/* Precios */
.price-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 0.95rem; min-width: 640px; }
.price-table th, .price-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.price-table thead th { font-family: var(--font-display); font-size: 1.05rem; background: var(--paper); }
.price-table tbody th { color: var(--graphite); font-weight: 500; width: 26%; }
.price-table td.featured, .price-table th.featured { background: var(--cobalt-soft); }
.price-table strong { color: var(--cobalt); font-family: var(--mono); font-size: 1.05rem; }
.price-includes { display: grid; gap: 12px; grid-template-columns: 1fr; margin-top: 20px; }
@media (min-width: 720px) { .price-includes { grid-template-columns: repeat(2, 1fr); } }
.price-include { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); font-size: 0.92rem; }
.price-include span { color: var(--graphite); }
.price-note { color: var(--graphite); font-size: 0.88rem; margin-top: 14px; }

/* Formularios accesibles */
.form { display: grid; gap: 14px; max-width: 560px; }
.form label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 6px; }
.form input, .form select, .form textarea { width: 100%; min-height: 46px; padding: 11px 13px; font: inherit; font-size: 16px; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: 8px; }
.form textarea { min-height: 110px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--cobalt); outline: 3px solid var(--cobalt-soft); }
.form .hint { color: var(--graphite); font-size: 0.85rem; margin-top: 4px; }
.form .error { color: var(--danger); font-size: 0.9rem; font-weight: 600; }
.form .success { color: var(--success); font-size: 0.95rem; font-weight: 600; }
.form .consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; font-weight: 400; }
.form .consent input { width: 20px; height: 20px; min-height: 0; margin-top: 2px; flex: none; }
[aria-invalid="true"] { border-color: var(--danger) !important; }

/* Pie */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: 40px; }
.site-footer-inner { max-width: var(--max); margin: 0 auto; padding: 48px 24px 24px; display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .site-footer-inner { grid-template-columns: 1.4fr 1fr 1fr 1fr; padding: 56px 48px 24px; } }
.site-footer h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--graphite); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--cobalt); text-decoration: underline; }
.footer-tagline { color: var(--graphite); max-width: 42ch; margin-top: 12px; }
.footer-small { color: var(--graphite); font-size: 0.8rem; max-width: 46ch; }
.site-footer-bottom { max-width: var(--max); margin: 0 auto; padding: 16px 24px 28px; color: var(--graphite); font-size: 0.82rem; border-top: 1px solid var(--line); }

/* Aviso de datos ficticios (demo) */
.demo-notice { background: rgba(165,78,8,0.10); color: var(--warn); border: 1px solid rgba(165,78,8,0.3); border-radius: 8px; padding: 10px 14px; font-size: 0.9rem; }