/* ============================================================
   Codexia — Sitio informativo (HTML5 + CSS3 + JS, sin frameworks)
   Tema futurista: navy profundo, neón violeta/cian, glassmorphism.
   ============================================================ */
:root {
  --bg: #070A18;
  --bg2: #0C1026;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.10);
  --primary: #7C3AED;
  --primary-2: #A855F7;
  --accent: #22D3EE;
  --accent-2: #38BDF8;
  --green: #22C55E;
  --gold: #FCD34D;
  --pink: #EC4899;
  --text: #EAF0FB;
  --muted: #9AA6C4;
  --grad: linear-gradient(120deg, #7C3AED, #22D3EE);
  --grad-2: linear-gradient(120deg, #A855F7, #38BDF8);
  --radius: 18px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
}
h1, h2, h3, h4, .brand { font-family: 'Space Grotesk', 'Inter', sans-serif; line-height: 1.15; font-weight: 700; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
section { position: relative; }

/* Fondo animado: rejilla + auroras */
.bg-fx { position: fixed; inset: 0; z-index: -2; background:
    radial-gradient(60% 50% at 80% -10%, rgba(124,58,237,0.35), transparent 60%),
    radial-gradient(50% 40% at 0% 10%, rgba(34,211,238,0.22), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}
.bg-grid { position: fixed; inset: 0; z-index: -1; opacity: 0.5;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 46px 46px; mask-image: radial-gradient(circle at 50% 30%, #000 30%, transparent 80%);
  animation: gridPan 30s linear infinite;
}
@keyframes gridPan { from { background-position: 0 0; } to { background-position: 46px 46px; } }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.section-pad { padding: 5.5rem 0; }
.center { text-align: center; }
.muted { color: var(--muted); }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { display: inline-block; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.74rem; color: var(--accent); margin-bottom: 0.8rem; }
.h-xl { font-size: clamp(2.2rem, 5.2vw, 4rem); }
.h-lg { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
.lead { font-size: clamp(1rem, 1.4vw, 1.18rem); color: var(--muted); max-width: 60ch; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.8rem 1.4rem; border-radius: 999px; font-weight: 700; font-family: inherit; cursor: pointer; border: 1px solid transparent; transition: transform .15s, box-shadow .2s, background .2s; font-size: 0.95rem; white-space: nowrap; line-height: 1.1; }
.btn:active { transform: translateY(2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px rgba(124,58,237,0.45); }
.btn-primary:hover { box-shadow: 0 14px 40px rgba(124,58,237,0.6); transform: translateY(-2px); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-gold { background: linear-gradient(120deg, #F59E0B, #FCD34D); color: #3a2606; box-shadow: 0 10px 30px rgba(245,158,11,0.4); }
.btn-gold:hover { transform: translateY(-2px); }
.btn-sm { padding: 0.55rem 1rem; font-size: 0.85rem; }

/* Navbar */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); background: rgba(7,10,24,0.7); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; gap: 1rem; height: 72px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-size: 1.3rem; font-weight: 700; }
.brand .logo { width: 38px; height: 38px; border-radius: 11px; background: var(--grad); display: grid; place-items: center; font-size: 1.2rem; box-shadow: 0 6px 18px rgba(124,58,237,0.5); }
.nav-links { display: flex; gap: 0.15rem; margin-left: auto; }
.nav-links a { padding: 0.45rem 0.7rem; border-radius: 10px; color: var(--muted); font-weight: 600; font-size: 0.9rem; white-space: nowrap; transition: color .2s, background .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-cta { display: flex; gap: 0.55rem; align-items: center; }
.nav-toggle { display: none; background: var(--surface); border: 1px solid var(--border); color: var(--text); width: 44px; height: 44px; border-radius: 12px; font-size: 1.3rem; cursor: pointer; }

/* Hero */
.hero { padding: 5rem 0 4rem; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.5rem; align-items: center; }
.hero h1 { margin: 0.5rem 0 1rem; }
.hero .lead { margin-bottom: 1.8rem; }
.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero-pills { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1.6rem; }
.pill { font-size: 0.8rem; font-weight: 600; color: var(--muted); background: var(--surface); border: 1px solid var(--border); padding: 0.35rem 0.8rem; border-radius: 999px; }

/* Glass cards */
.glass { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); backdrop-filter: blur(8px); box-shadow: var(--shadow); }
.card-hover { transition: transform .2s, border-color .2s, box-shadow .2s; }
.card-hover:hover { transform: translateY(-6px); border-color: rgba(124,58,237,0.5); box-shadow: 0 26px 60px rgba(124,58,237,0.22); }

/* Hero visual: mini mapa de mundos */
.hero-visual { position: relative; padding: 1.25rem; }
.orb { position: absolute; border-radius: 50%; filter: blur(40px); opacity: 0.6; z-index: -1; }
.orb.a { width: 220px; height: 220px; background: #7C3AED; top: -30px; right: -20px; }
.orb.b { width: 180px; height: 180px; background: #22D3EE; bottom: -30px; left: -10px; }
.demo-window { border-radius: 16px; overflow: hidden; }
.win-bar { display: flex; align-items: center; gap: 0.4rem; padding: 0.6rem 0.85rem; background: rgba(255,255,255,0.05); border-bottom: 1px solid var(--border); }
.win-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.win-bar .dot.r { background: #ff5f56; } .win-bar .dot.y { background: #ffbd2e; } .win-bar .dot.g { background: #27c93f; }
.win-bar .title { margin-left: auto; font-size: 0.78rem; color: var(--muted); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat { padding: 1.5rem 1rem; text-align: center; }
.stat .num { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; font-family: 'Space Grotesk'; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { color: var(--muted); font-size: 0.9rem; margin-top: 0.2rem; }

/* Grids genéricos */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* Feature / module cards */
.feature, .module-card, .step, .plan, .doc-card { padding: 1.5rem; }
.feature .ico, .module-card .ico { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; font-size: 1.6rem; background: var(--surface-2); border: 1px solid var(--border); margin-bottom: 0.9rem; }
.feature h3, .module-card h3 { font-size: 1.15rem; margin-bottom: 0.4rem; }
.feature p, .module-card p { color: var(--muted); font-size: 0.95rem; }
.module-card .tag { display: inline-block; margin-top: 0.8rem; font-size: 0.72rem; font-weight: 700; color: var(--accent); }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.step { position: relative; }
.step .n { width: 40px; height: 40px; border-radius: 12px; background: var(--grad); display: grid; place-items: center; font-weight: 800; margin-bottom: 0.8rem; }
.step h4 { margin-bottom: 0.3rem; }
.step p { color: var(--muted); font-size: 0.92rem; }

/* Interactive demo (coding grid) */
.demo { display: grid; grid-template-columns: 320px 1fr; gap: 1.25rem; }
.demo-cmds { padding: 1rem; }
.cmd-pal { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.8rem; }
.cmd-chip { padding: 0.5rem 0.8rem; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; font-weight: 700; font-size: 0.85rem; font-family: 'Space Grotesk'; transition: transform .1s, background .2s; user-select: none; }
.cmd-chip:hover { background: rgba(124,58,237,0.3); }
.cmd-chip:active { transform: scale(0.95); }
.program { min-height: 120px; background: rgba(0,0,0,0.25); border: 1px dashed var(--border); border-radius: 12px; padding: 0.6rem; display: flex; flex-direction: column; gap: 0.35rem; }
.prog-line { display: flex; align-items: center; gap: 0.5rem; background: var(--surface-2); border-radius: 8px; padding: 0.4rem 0.6rem; font-family: 'Space Grotesk'; font-size: 0.85rem; }
.prog-line button { margin-left: auto; background: transparent; border: none; color: var(--pink); cursor: pointer; font-size: 1rem; }
.demo-actions { display: flex; gap: 0.5rem; margin-top: 0.8rem; }
.demo-stage { padding: 1rem; display: grid; place-items: center; }
.board { display: grid; gap: 4px; background: rgba(0,0,0,0.3); padding: 8px; border-radius: 14px; }
.cell { width: 52px; height: 52px; border-radius: 10px; background: #121a36; display: grid; place-items: center; font-size: 1.6rem; transition: background .2s; }
.cell.wall { background: #2a3566; }
.cell.goal { background: rgba(34,197,94,0.18); }
.hero-bot { font-size: 1.8rem; transition: transform .25s; }
.demo-msg { margin-top: 0.8rem; font-weight: 700; min-height: 1.4em; }
.demo-msg.ok { color: var(--green); } .demo-msg.err { color: #fca5a5; }

/* Testimonios */
.tcard { padding: 1.5rem; }
.tcard p { font-size: 1rem; }
.tperson { display: flex; align-items: center; gap: 0.7rem; margin-top: 1rem; }
.tperson .av { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-size: 1.4rem; background: var(--surface-2); }
.tperson .meta b { display: block; } .tperson .meta span { color: var(--muted); font-size: 0.85rem; }

/* Planes */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; align-items: stretch; }
.plan { display: flex; flex-direction: column; position: relative; }
.plan.popular { border-color: rgba(124,58,237,0.6); box-shadow: 0 24px 60px rgba(124,58,237,0.25); }
.plan .badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--grad); color: #fff; font-size: 0.72rem; font-weight: 800; padding: 0.25rem 0.8rem; border-radius: 999px; white-space: nowrap; }
.plan .badge.alt { background: linear-gradient(120deg, #F59E0B, #FCD34D); color: #3a2606; }
.plan .price small { display: inline; }
.plan .note { font-size: 0.78rem; color: var(--muted); margin-top: -0.4rem; margin-bottom: 0.4rem; }
.plan h3 { font-size: 1.25rem; }
.price { font-size: 2.4rem; font-weight: 800; font-family: 'Space Grotesk'; margin: 0.4rem 0; }
.price small { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.plan ul { list-style: none; margin: 1rem 0; display: flex; flex-direction: column; gap: 0.5rem; }
.plan li { color: var(--muted); font-size: 0.92rem; display: flex; gap: 0.5rem; }
.plan li::before { content: '✓'; color: var(--green); font-weight: 800; }
.plan .btn { margin-top: auto; justify-content: center; }

/* FAQ */
.faq-item { border: 1px solid var(--border); border-radius: 14px; margin-bottom: 0.7rem; overflow: hidden; background: var(--surface); }
.faq-q { width: 100%; text-align: left; background: transparent; border: none; color: var(--text); font-family: inherit; font-weight: 700; font-size: 1rem; padding: 1.1rem 1.2rem; cursor: pointer; display: flex; align-items: center; gap: 0.8rem; }
.faq-q .chev { margin-left: auto; transition: transform .25s; color: var(--accent); }
.faq-item.open .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; color: var(--muted); }
.faq-a div { padding: 0 1.2rem 1.1rem; }

/* CTA band */
.cta-band { padding: 3.5rem; text-align: center; background: linear-gradient(120deg, rgba(124,58,237,0.25), rgba(34,211,238,0.18)); border: 1px solid var(--border); border-radius: 28px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 3rem 0 2rem; margin-top: 4rem; background: rgba(0,0,0,0.25); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; }
.footer h5 { color: var(--text); margin-bottom: 0.8rem; font-size: 0.95rem; }
.footer a { display: block; color: var(--muted); font-size: 0.9rem; padding: 0.22rem 0; }
.footer a:hover { color: var(--text); }
.footer-bottom { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--muted); font-size: 0.85rem; }

/* Page hero (inner pages) */
.page-hero { padding: 4rem 0 2rem; text-align: center; }
.breadcrumb { color: var(--muted); font-size: 0.85rem; margin-bottom: 0.6rem; }
.breadcrumb a:hover { color: var(--accent); }

/* Wiki */
.wiki { display: grid; grid-template-columns: 260px 1fr; gap: 2rem; align-items: start; }
.wiki-side { position: sticky; top: 90px; padding: 1.2rem; }
.wiki-side h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin: 1rem 0 0.4rem; }
.wiki-side a { display: block; color: var(--muted); padding: 0.3rem 0.5rem; border-radius: 8px; font-size: 0.9rem; }
.wiki-side a:hover { color: var(--text); background: var(--surface); }
.wiki-main h2 { margin: 2rem 0 0.8rem; scroll-margin-top: 90px; }
.wiki-main h2:first-child { margin-top: 0; }
.wiki-main p, .wiki-main li { color: var(--muted); }
.wiki-main ul { margin: 0.5rem 0 1rem 1.2rem; }
.wiki-main code { background: rgba(0,0,0,0.4); border: 1px solid var(--border); padding: 0.1rem 0.4rem; border-radius: 6px; font-size: 0.85em; color: var(--accent); }
.kbd { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 0.05rem 0.4rem; font-size: 0.8em; }
.note { background: rgba(34,211,238,0.08); border-left: 3px solid var(--accent); padding: 0.8rem 1rem; border-radius: 8px; margin: 1rem 0; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
/* Tablets y laptops: el menú de enlaces pasa a hamburguesa para que no se amontone
   (la barra horizontal completa solo se muestra en escritorio ancho > 1180px). */
@media (max-width: 1180px) {
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0.2rem; background: rgba(12,16,38,0.98);
    padding: 0.6rem; border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px); box-shadow: var(--shadow); margin-left: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0.85rem; font-size: 1rem; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-cta { margin-left: auto; }
}
@media (max-width: 980px) {
  .hero-grid, .demo, .wiki { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .steps, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .plans, .stats { grid-template-columns: repeat(2, 1fr); }
  .wiki-side { position: static; }
}
@media (max-width: 760px) {
  .plans, .stats { grid-template-columns: 1fr; }
  .plan { max-width: 460px; margin: 0 auto; width: 100%; }
  .stat { padding: 1.1rem 0.6rem; }
}
@media (max-width: 640px) {
  .nav-cta .label-full { display: none; }
  .grid-3, .grid-4, .steps, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .section-pad { padding: 3.5rem 0; }
  .container { padding: 0 1rem; }
  .cta-band { padding: 2.4rem 1.25rem; }
  .footer-bottom { flex-direction: column; gap: 0.4rem; }
}