/* ==========================================================================
   Landing · Muebles del Hogar S.L. (laboratorio Odoo 17)
   Estilo Kavana Systems: tema oscuro, naranja corporativo, Inter + JetBrains Mono
   ========================================================================== */

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --card: #16161f;
  --border: #232333;
  --text: #f0f0f5;
  --text2: #9090a8;
  --muted: #606078;
  --orange: #ff7020;
  --orange2: #cc5210;
  --orange-s: rgba(255, 112, 32, 0.12);
  --green: #22c55e;
  --green-s: rgba(34, 197, 94, 0.12);
  --amber: #f59e0b;
  --radius: 12px;
  --rsm: 8px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --w: 1000px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--orange); }

/* ---------- Navegación ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem; height: 64px;
  display: flex; align-items: center;
}
.nav-inner {
  width: 100%; max-width: var(--w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 15px; letter-spacing: -0.02em; text-decoration: none; }
.brand svg { color: var(--orange); flex-shrink: 0; }
.nav nav { display: flex; gap: 1.35rem; flex-wrap: wrap; }
.nav nav a { color: var(--text2); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .2s; }
.nav nav a:hover { color: var(--orange); }

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 2rem 4rem;
  background:
    radial-gradient(900px 400px at 12% -10%, rgba(255, 112, 32, 0.16), transparent 60%),
    linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: var(--w); margin: 0 auto; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange-s); border: 1px solid var(--border); color: var(--orange);
  padding: 6px 14px; border-radius: 100px;
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .12em; margin-bottom: 1.6rem;
}
.badge::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); animation: pulso 2s infinite; }
@keyframes pulso { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.15; margin-bottom: 1.2rem; max-width: 26ch; }
.hero .sub { font-size: 1.12rem; color: var(--text2); max-width: 74ch; }
.hero-cifras { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-top: 2.6rem; }
.cifra { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; }
.cifra strong { display: block; font-size: 1.75rem; font-weight: 800; letter-spacing: -.02em; color: var(--orange); }
.cifra span { font-size: .85rem; color: var(--text2); }

/* ---------- Secciones ---------- */
.seccion { max-width: var(--w); margin: 0 auto; padding: 4.5rem 2rem; }
.seccion h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.2; margin-bottom: 1rem; }
.sl { display: block; font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--orange); text-transform: uppercase; letter-spacing: .15em; margin-bottom: .75rem; }
.intro { font-size: 1.08rem; color: var(--text2); max-width: 74ch; margin-bottom: 1.8rem; }
.fondo-claro { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); max-width: none; }
.fondo-claro > * { max-width: var(--w); margin-left: auto; margin-right: auto; }

.dos-columnas { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; }
.dos-columnas h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .7rem; }
.dos-columnas p { margin-bottom: .9rem; color: var(--text2); }
.dos-columnas p strong, .dos-columnas li strong { color: var(--text); }
.dos-columnas ul { padding-left: 1.2rem; display: grid; gap: .6rem; color: var(--text2); }
h2 + .dos-columnas, h2 + .grid, h2 + .tres-columnas { margin-top: 1.6rem; }

.tres-columnas { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; margin-bottom: 1.8rem; }
.tarjeta { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.tarjeta h4 { font-size: 1rem; margin-bottom: .45rem; }
.tarjeta p { font-size: .95rem; color: var(--text2); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.1rem; }
.ficha { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem 1.5rem 1.3rem; transition: border-color .25s, transform .25s; }
.ficha:hover { border-color: var(--orange2); transform: translateY(-2px); }
.ficha h4 { font-size: 1.02rem; margin-bottom: .45rem; }
.ficha p { font-size: .94rem; color: var(--text2); }
.etiqueta { position: absolute; top: 1.1rem; right: 1.2rem; font-family: var(--mono); font-size: 10.5px; font-weight: 500; color: var(--orange); letter-spacing: .1em; }
.estado { display: inline-block; margin-top: .8rem; background: var(--green-s); border: 1px solid rgba(34,197,94,.25); color: var(--green); border-radius: 100px; font-family: var(--mono); font-size: 10.5px; font-weight: 500; padding: .2rem .7rem; letter-spacing: .08em; }
.estado.aviso { background: var(--orange-s); border-color: rgba(255,112,32,.3); color: var(--orange); }

/* ---------- Código ---------- */
.codigo { background: #08080c; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1.5rem; overflow-x: auto; margin: 1.6rem 0; }
.codigo pre { font-family: var(--mono); font-size: .83rem; line-height: 1.6; color: #cfcfdd; white-space: pre; }
.codigo .ok { color: var(--green); }
.codigo .hi { color: var(--orange); }

/* ---------- Galería ---------- */
.galeria { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.6rem 0; }
.galeria figure { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem; margin: 0; }
.galeria figure:first-child { grid-column: 1 / -1; }
.galeria img { width: 100%; border-radius: var(--rsm); border: 1px solid var(--border); display: block; }
.galeria figcaption { font-size: .86rem; color: var(--text2); margin-top: .7rem; text-align: center; }
.nota { font-size: .92rem; color: var(--muted); }

/* ---------- Acceso demo ---------- */
.demo-box { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 2rem; }
.demo-box h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.demo-box ul { padding-left: 1.3rem; display: grid; gap: .6rem; margin: 1rem 0; color: var(--text2); }
.demo-box code, .nota code, footer code { font-family: var(--mono); font-size: .87em; background: var(--bg); border: 1px solid var(--border); border-radius: 5px; padding: .1rem .4rem; color: var(--orange); }
.botones { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.2rem; }
.boton { display: inline-block; background: var(--orange); color: #0a0a0f; padding: .8rem 1.4rem; border-radius: var(--rsm); text-decoration: none; font-weight: 700; font-size: .95rem; transition: background .2s; }
.boton:hover { background: #ff8b4a; }
.boton.secundario { background: transparent; border: 1px solid var(--border); color: var(--text); }
.boton.secundario:hover { border-color: var(--orange); color: var(--orange); }
.reinicio-landing { background: var(--orange-s); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem 1.4rem; margin-top: 1.6rem; }
.reinicio-landing h4 { margin: 0 0 .4rem; font-size: 1.02rem; }
.reinicio-landing p { color: var(--text2); font-size: .95rem; margin-bottom: .9rem; }

/* ---------- Pie ---------- */
footer { border-top: 1px solid var(--border); background: var(--bg2); color: var(--muted); text-align: center; padding: 2rem 2rem 2.5rem; font-size: .87rem; }
footer p { max-width: 70ch; margin: 0 auto .5rem; }

/* ---------- Asistente técnico (chat) ---------- */
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.chat { max-width: 760px; margin: 1.5rem auto 0; display: flex; flex-direction: column; gap: .75rem; }
.chat-log { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; display: flex; flex-direction: column; gap: .6rem; max-height: 380px; overflow-y: auto; }
.chat-msg { padding: .7rem .9rem; border-radius: var(--rsm); font-size: .95rem; white-space: pre-wrap; max-width: 88%; }
.chat-msg.bot { background: var(--bg2); border: 1px solid var(--border); align-self: flex-start; }
.chat-msg.user { background: var(--orange-s); border: 1px solid var(--orange2); align-self: flex-end; }
.chat-msg.pensando { color: var(--text2); font-style: italic; }
.chat-form { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.chat-form input { flex: 1 1 260px; background: var(--bg2); border: 1px solid var(--border); color: var(--text); border-radius: var(--rsm); padding: .75rem .9rem; font-family: inherit; font-size: .95rem; }
.chat-form input:focus { outline: none; border-color: var(--orange); }
.chat-form .boton { border: 0; cursor: pointer; }
.chat-form .boton[disabled] { opacity: .6; cursor: progress; }
.chat-sugerencias { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { background: transparent; border: 1px solid var(--border); color: var(--text2); border-radius: 999px; padding: .35rem .85rem; font-family: inherit; font-size: .82rem; cursor: pointer; }
.chip:hover { border-color: var(--orange); color: var(--text); }
#chat-fuentes code { font-family: var(--mono); font-size: .8rem; }

@media (max-width: 800px) {
  .nav { height: auto; padding: .8rem 1.2rem; }
  .nav nav { gap: 1rem; }
  .hero, .seccion { padding-left: 1.2rem; padding-right: 1.2rem; }
  .dos-columnas { grid-template-columns: 1fr; gap: 1.8rem; }
  .galeria { grid-template-columns: 1fr; }
}