/* ═══════════════════════════════════════════════════════════
   SigCopy — Design System
   Tema oscuro premium, tipografía moderna, componentes reutilizables
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Paleta base */
  --bg: #0b0e17;
  --bg-soft: #111527;
  --surface: #151b2e;
  --surface-2: #1a2140;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Texto */
  --text: #eef1fa;
  --text-2: #a7aec6;
  --text-3: #6b7290;

  /* Acentos (paleta del logo) */
  --accent: #00b8d0;
  --accent-2: #08e8e8;
  --accent-3: #00d8a8;
  --success: #2aa24a;
  --warning: #fbbf24;
  --danger: #f87171;

  /* Gradiente de marca (basado en el logo) */
  --grad: linear-gradient(120deg, #00b8d0 0%, #08e8e8 50%, #00d8a8 100%);
  --grad-soft: linear-gradient(120deg, rgba(0, 184, 208, 0.16), rgba(8, 232, 232, 0.14), rgba(0, 216, 168, 0.16));

  /* Tipografía */
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Sora", "Inter", "Segoe UI", sans-serif;

  /* Métricas */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(0, 184, 208, 0.35), 0 20px 80px rgba(0, 184, 208, 0.25);
  --nav-h: 72px;
  --max-w: 1180px;
}

/* ═══════════ Reset y base ═══════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 15px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Fondo con orbes de luz sutiles */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(0, 184, 208, 0.14), transparent 60%),
    radial-gradient(800px 500px at -10% 20%, rgba(8, 232, 232, 0.08), transparent 55%),
    radial-gradient(700px 700px at 50% 120%, rgba(0, 216, 168, 0.1), transparent 60%);
  pointer-events: none;
}

/* Rejilla de fondo muy sutil */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

::selection { background: rgba(0, 184, 208, 0.4); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2a3354; border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: #3a4570; }

/* ═══════════ Utilidades ═══════════ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.muted { color: var(--text-2); }
.center { text-align: center; }
.hidden { display: none !important; }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.93rem;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 34px rgba(0, 184, 208, 0.4);
}
.btn-primary:hover { box-shadow: 0 14px 44px rgba(0, 184, 208, 0.55); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* Badges / chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 184, 208, 0.3);
  color: var(--accent-3);
}

/* ═══════════ Navegación ═══════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(11, 14, 23, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.lang-select {
  background: var(--surface);
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: var(--font);
  font-size: 13.5px;
  cursor: pointer;
  outline: none;
  min-width: 90px;
}
.lang-select:hover { border-color: var(--accent); color: var(--text); }
.mobile-menu .lang-select {
  width: 100%;
  margin-top: 8px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.logo-img {
  height: 52px;
  width: auto;
  display: block;
}
.footer-brand .logo-img {
  height: 64px;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 14px;
  border-radius: 10px;
  color: var(--text-2);
  font-weight: 500;
  font-size: 14px;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.nav-links a.active { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-cta .btn { font-size: 14px; }
.nav-burger {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  font-size: 19px;
}

/* Menú móvil */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(11, 14, 23, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-size: 1.35rem;
  font-weight: 600;
  padding: 14px 24px;
  color: var(--text-2);
}
.mobile-menu a:hover { color: #fff; }
.mobile-menu .close-btn {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  font-size: 1.3rem;
}

/* ═══════════ Logo grande fuera del nav ═══════════ */
.logo-hero {
  text-align: center;
  padding: 40px 20px 0;
}
.logo-hero-img {
  display: inline-block;
  width: 260px;
  height: auto;
  border-radius: 24px;
}

/* ═══════════ Hero ═══════════ */
.hero {
  position: relative;
  padding: 36px 0 72px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.2rem);
  max-width: 900px;
  margin: 20px auto 18px;
}
.hero .sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-2);
  max-width: 680px;
  margin: 0 auto 38px;
}
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 22px; color: var(--text-3); font-size: 0.84rem; }

.offer-banner {
  margin: 22px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: var(--radius);
  background: var(--grad-soft);
  border: 1px solid rgba(0, 184, 208, 0.3);
  color: var(--text-1);
  font-size: 0.92rem;
  text-align: center;
  max-width: 720px;
}
.offer-badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: var(--accent-1);
  color: #fff;
}

/* Terminal / producto */
.hero-visual { margin: 64px auto 0; max-width: 980px; position: relative; }
.app-shot {
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: left;
  background: #0e0e16;
}
.app-shot img {
  display: block;
  width: 100%;
  height: auto;
}
.app-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  box-shadow: inset 0 0 0 1px rgba(0, 184, 208, 0.12), 0 30px 90px rgba(0, 184, 208, 0.12);
  pointer-events: none;
}

/* ═══════════ Secciones generales ═══════════ */
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.sec-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.sec-head .badge { margin-bottom: 18px; }
.sec-head h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); margin-bottom: 14px; }
.sec-head p { color: var(--text-2); font-size: 0.97rem; }

/* ═══════════ Grid de características ═══════════ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 20px;
}
.feature-card {
  position: relative;
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 200px at 50% -20%, rgba(0, 184, 208, 0.14), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover { transform: translateY(-5px); border-color: rgba(0, 184, 208, 0.45); box-shadow: var(--shadow); }
.feature-card:hover::before { opacity: 1; }
.feature-card > * { position: relative; }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 184, 208, 0.3);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--text-2); font-size: 0.9rem; }

/* ═══════════ Cómo funciona ═══════════ */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 24px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 28px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -14px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.5;
}
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: 0.9rem; }

/* ═══════════ Plantillas ═══════════ */
.template-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.template-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 24px;
  position: relative;
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.template-card:hover { transform: translateY(-5px); border-color: rgba(8, 232, 232, 0.5); }
.template-card.popular { border-color: rgba(8, 232, 232, 0.7); box-shadow: var(--shadow-glow); }
.template-card .tpl-tag {
  position: absolute;
  top: -12px; right: 22px;
  background: var(--grad);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}
.tpl-emoji { font-size: 2rem; margin-bottom: 14px; }
.template-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.template-card .tpl-desc { color: var(--text-3); font-size: 0.85rem; font-style: italic; margin-bottom: 18px; }
.template-card ul { display: grid; gap: 10px; }
.template-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-2);
  font-size: 0.88rem;
}
.template-card li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ═══════════ Precios ═══════════ */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; align-items: stretch; }
.price-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.price-card:hover { transform: translateY(-5px); border-color: rgba(0,184,208,.5); }
.price-card.featured { border-color: rgba(8, 232, 232, 0.7); box-shadow: var(--shadow-glow); }
.price-card .pc-tag {
  position: absolute; top: -12px; left: 24px;
  background: var(--grad);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
}
.price-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.price-card .pc-sub { color: var(--text-3); font-size: 0.86rem; margin-bottom: 22px; }
.price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 22px; }
.price .amount { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; }
.price .period { color: var(--text-3); font-size: 0.9rem; }
.price .strike { color: var(--text-3); text-decoration: line-through; font-size: 1rem; margin: 0 8px; }
.price-card ul { flex: 1; display: grid; gap: 12px; margin-bottom: 28px; }
.price-card li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); font-size: 0.88rem; }
.price-card li::before { content: "✓"; color: var(--success); font-weight: 700; flex-shrink: 0; }
.price-card li.no::before { content: "✕"; color: var(--text-3); }

/* Aviso VPS: información fuera de las tarifas del software */
.vps-info {
  display: flex;
  align-items: center;
  gap: 18px;
  text-align: left;
  margin-top: 40px;
  padding: 24px 28px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  flex-wrap: wrap;
}
.vps-info .vps-icon { font-size: 2.1rem; flex-shrink: 0; }
.vps-info h3 { font-size: 0.98rem; margin-bottom: 4px; }
.vps-info p { color: var(--text-2); font-size: 0.88rem; max-width: 640px; margin: 0; }
.vps-info .btn { margin-left: auto; }
@media (max-width: 700px) {
  .vps-info .btn { margin-left: 0; width: 100%; justify-content: center; }
}

/* ═══════════ FAQ ═══════════ */
.faq { max-width: 780px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq details[open] { border-color: rgba(0, 184, 208, 0.45); }
.faq summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent-3);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 22px 20px; color: var(--text-2); font-size: 0.9rem; }

/* ═══════════ CTA final ═══════════ */
.cta-band {
  position: relative;
  border-radius: 22px;
  padding: 64px 40px;
  text-align: center;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 184, 208, 0.3);
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 180deg, rgba(0,184,208,.15), rgba(0,216,168,.12), rgba(8,232,232,.15), rgba(0,184,208,.15));
  animation: spin 24s linear infinite;
  z-index: 0;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(1.4rem, 2.8vw, 1.9rem); margin-bottom: 14px; }
.cta-band p { color: var(--text-2); margin-bottom: 30px; max-width: 560px; margin-left: auto; margin-right: auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══════════ Estadísticas ═══════════ */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 20px; }
.stat { text-align: center; padding: 24px 12px; }
.stat .num { font-family: var(--font-display); font-size: 2.1rem; font-weight: 800; }
.stat .lbl { color: var(--text-3); font-size: 0.85rem; margin-top: 4px; }

/* ═══════════ Footer ═══════════ */
.footer { border-top: 1px solid var(--border); padding: 56px 0 32px; margin-top: 60px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-brand p { color: var(--text-3); font-size: 0.85rem; margin-top: 14px; max-width: 320px; }
.footer h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 16px; }
.footer-col { display: grid; gap: 10px; }
.footer-col a { color: var(--text-2); font-size: 0.88rem; transition: color 0.18s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 0.8rem;
}
.footer-legal { display: flex; gap: 20px; }

/* ═══════════ Scroll reveal ═══════════ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

/* ═══════════ Páginas de contenido (docs / guía / contacto / panel) ═══════════ */
.page-head { padding: 56px 0 22px; }
.page-head h1 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
.page-head .crumbs { color: var(--text-3); font-size: 0.84rem; margin-bottom: 14px; }
.page-head .crumbs a:hover { color: var(--accent-3); }
.prose { max-width: 820px; }
.prose h2 { font-size: 1.35rem; margin: 40px 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.prose h3 { font-size: 1.05rem; margin: 24px 0 10px; }
.prose p { color: var(--text-2); margin: 12px 0; }
.prose ul, .prose ol { margin: 12px 0; padding-left: 6px; display: grid; gap: 8px; }
.prose ul li { position: relative; padding-left: 22px; color: var(--text-2); }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px; border-radius: 2px; background: var(--grad); }
.prose ol { counter-reset: li; }
.prose ol li { position: relative; padding-left: 34px; counter-increment: li; color: var(--text-2); }
.prose ol li::before {
  content: counter(li);
  position: absolute;
  left: 0; top: 2px;
  width: 24px; height: 24px;
  border-radius: 8px;
  background: var(--grad-soft);
  border: 1px solid rgba(0,184,208,.35);
  color: var(--accent-3);
  font-size: 0.8rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.prose code {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  color: var(--accent-3);
}
.prose pre {
  background: #0a0d18;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  overflow-x: auto;
  margin: 18px 0;
}
.prose pre code { background: none; border: none; padding: 0; color: var(--text); font-size: 0.84rem; line-height: 1.7; }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.88rem; }
.prose th, .prose td { text-align: left; padding: 12px 14px; border: 1px solid var(--border); }
.prose th { background: var(--surface); color: var(--text); }
.prose td { color: var(--text-2); }
.prose blockquote {
  border-left: 4px solid var(--accent);
  background: var(--grad-soft);
  padding: 14px 18px;
  border-radius: 0 12px 12px 0;
  margin: 18px 0;
  color: var(--text);
}
.prose blockquote.warn { border-left-color: var(--warning); background: rgba(251,191,36,.08); }
.prose blockquote.ok { border-left-color: var(--success); background: rgba(52,211,153,.08); }

/* TOC */
.toc-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px 22px;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}
.toc-card h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 14px; }
.toc-card a { display: block; padding: 7px 10px; border-radius: 8px; color: var(--text-2); font-size: 0.85rem; }
.toc-card a:hover { color: var(--accent-3); background: rgba(255,255,255,.04); }
.doc-layout { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .doc-layout { grid-template-columns: 1fr; } .toc-card { position: static; } }

/* ═══════════ Docs hub cards ═══════════ */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.doc-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 26px 24px;
  transition: transform 0.22s ease, border-color 0.22s ease;
}
.doc-card:hover { transform: translateY(-4px); border-color: rgba(0, 216, 168, 0.5); }
.doc-card .doc-icon { font-size: 1.6rem; margin-bottom: 14px; }
.doc-card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.doc-card p { color: var(--text-2); font-size: 0.89rem; margin-bottom: 16px; }
.doc-card .go { color: var(--accent-3); font-weight: 600; font-size: 0.85rem; }

/* ═══════════ Formularios ═══════════ */
.form { display: grid; gap: 16px; max-width: 560px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.84rem; font-weight: 600; color: var(--text-2); }
.field input, .field textarea, .field select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 13px 16px;
  color: var(--text);
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 184, 208, 0.2);
}
.field textarea { min-height: 140px; resize: vertical; }
.form-status { border-radius: 12px; padding: 14px 18px; font-size: 0.88rem; display: none; }
.form-status.error { display: block; background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.4); color: var(--danger); }
.form-status.success { display: block; background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.4); color: var(--success); }

/* ═══════════ Panel de cliente ═══════════ */
.panel-wrap { max-width: 640px; margin: 0 auto; }
.license-status {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 26px;
  margin-top: 24px;
  display: none;
}
.license-status.visible { display: block; }
.ls-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.ls-dot { width: 14px; height: 14px; border-radius: 50%; }
.ls-dot.valid { background: var(--success); box-shadow: 0 0 14px var(--success); }
.ls-dot.invalid { background: var(--danger); box-shadow: 0 0 14px var(--danger); }
.license-status h3 { font-size: 1.05rem; }
.ls-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ls-cell { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.ls-cell .k { color: var(--text-3); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.05em; }
.ls-cell .v { font-weight: 600; margin-top: 4px; font-size: 0.9rem; }

/* ═══════════ Contacto ═══════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px;
}
.contact-card .cc-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--grad-soft); border: 1px solid rgba(0,184,208,.3); display: grid; place-items: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-card h3 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-card p, .contact-card a { color: var(--text-2); font-size: 0.88rem; }
.contact-card a:hover { color: var(--accent-3); }

/* ═══════════ Responsive ═══════════ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-burger { display: inline-grid; place-items: center; }
  .nav-cta .btn { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .sec-head { margin-bottom: 40px; }
  .prose table { display: block; overflow-x: auto; white-space: nowrap; }
  .offer-banner { font-size: 0.88rem; }
}
@media (max-width: 560px) {
  .section { padding: 52px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .ls-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  .hero-ctas .btn { width: 100%; }
  .cta-band { padding: 44px 20px; }
  .faq summary { padding: 15px 16px; font-size: 0.92rem; }
  .faq details p { padding: 0 16px 18px; }
  .price-card { padding: 26px 20px; }
  .price .amount { font-size: 2.1rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; gap: 12px; }
  .logo-hero { padding: 24px 16px 0; }
  .logo-hero-img { width: 190px; }
}

/* ═══════════════════════════════════════════════════════════
   Demo interactiva — réplica de la aplicación SigCopy
   (simulación visual, no ejecuta operaciones reales)
   ═══════════════════════════════════════════════════════════ */
.demo {
  --d-bg: #0e0e16;
  --d-surface: #1c1c2a;
  --d-surface-2: #2a2a3e;
  --d-surface-3: #323248;
  --d-border: #323248;
  --d-border-2: #3d3d58;
  --d-accent: #6366f1;
  --d-accent-hover: #5457e5;
  --d-text: #ffffff;
  --d-text-2: #b0b0c8;
  --d-text-3: #8a8aa0;
  --d-success: #22c55e;
  --d-danger: #ef4444;
  --d-warn: #f59e0b;
  --d-info: #3b82f6;
  --d-sidebar: #16161e;
  --d-header: #2a2a3e;
  position: relative;
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--d-bg);
  color: var(--d-text);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 13px;
  line-height: 1.4;
  text-align: left;
  -webkit-font-smoothing: antialiased;
}
.demo[data-demo-theme="web"] {
  --d-bg: #0b0e17;
  --d-surface: #151b2e;
  --d-surface-2: #1a2140;
  --d-surface-3: #1e2a4a;
  --d-border: #232a45;
  --d-border-2: #2e3860;
  --d-accent: #00b8d0;
  --d-accent-hover: #08e8e8;
  --d-text: #eef1fa;
  --d-text-2: #a7aec6;
  --d-text-3: #6b7290;
  --d-success: #2aa24a;
  --d-danger: #f87171;
  --d-warn: #fbbf24;
  --d-info: #08e8e8;
  --d-sidebar: #0b0e17;
  --d-header: #1a2140;
}
.demo * { box-sizing: border-box; }
.demo button { font-family: inherit; }
.demo input, .demo select { font-family: inherit; }
.demo .hidden { display: none !important; }
.demo .ok { color: var(--d-success); }
.demo .err { color: var(--d-danger); }

/* Barra de título */
.demo-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  background: var(--d-header);
  border-bottom: 1px solid var(--d-border);
  flex-shrink: 0;
}
.demo-dots { display: inline-flex; gap: 6px; }
.demo-dots i {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #f87171;
}
.demo-dots i:nth-child(2) { background: #fbbf24; }
.demo-dots i:nth-child(3) { background: #2aa24a; }
.demo-title {
  flex: 1;
  color: var(--d-text-2);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.demo-badge {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--d-accent);
  color: #fff;
  flex-shrink: 0;
}

/* Cuerpo: sidebar + contenido */
.demo-body {
  display: flex;
  min-height: 460px;
  max-height: 620px;
  align-items: stretch;
}
.demo-sidebar {
  width: 200px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 10px;
  background: var(--d-sidebar);
  border-right: 1px solid var(--d-border);
  overflow-y: auto;
}
.demo-logo { text-align: center; padding: 4px 0 8px; }
.demo-logo img { width: 118px; height: auto; margin: 0 auto; }
.demo-subtitle {
  color: var(--d-text-3);
  font-size: 10px;
  text-align: center;
  margin-bottom: 12px;
}
.demo-nav { display: flex; flex-direction: column; gap: 3px; }
.demo-sep { height: 1px; background: var(--d-border); margin: 6px 4px; flex-shrink: 0; }
.demo-nav-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--d-text-2);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.demo-nav-btn:hover { background: var(--d-surface); color: var(--d-text); }
.demo-nav-btn.active { background: var(--d-surface); color: var(--d-text); box-shadow: inset 3px 0 0 var(--d-accent); }
.demo-account { margin-top: 4px; text-align: center; font-size: 11px; }

.demo-ks {
  margin-top: auto;
  padding: 8px;
  border: 1px solid var(--d-border);
  border-radius: 10px;
  background: var(--d-surface);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.demo-ks-label {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--d-success);
}
.demo-ks-label.off { color: var(--d-danger); }
.demo-ks-btn {
  border: none;
  border-radius: 8px;
  padding: 7px 0;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: var(--d-danger);
  cursor: pointer;
}
.demo-ks-btn.on { background: var(--d-success); }
.demo-ks-btn.disabled { background: var(--d-surface-2); color: var(--d-text-3); }

.demo-mt { margin-top: 6px; display: flex; flex-direction: column; gap: 6px; }
.demo-mt-status {
  text-align: center;
  font-size: 10px;
  color: var(--d-success);
}
.demo-mt-status.off { color: var(--d-danger); }
.demo-mt-reconnect {
  border: none;
  border-radius: 8px;
  padding: 6px 0;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: var(--d-accent);
  cursor: pointer;
}
.demo-lang-select {
  margin-top: 6px;
  width: 100%;
  border: 1px solid var(--d-border, rgba(255,255,255,0.12));
  border-radius: 8px;
  padding: 7px 8px;
  font-family: var(--font);
  font-size: 11px;
  color: var(--d-text-2);
  background: var(--d-surface, rgba(255,255,255,0.04));
  cursor: pointer;
  outline: none;
}
.demo-lang-select:hover { border-color: var(--d-accent); color: var(--d-text); }

.demo-theme-select {
  margin-top: 6px;
  width: 100%;
  border: 1px solid var(--d-border, rgba(255,255,255,0.12));
  border-radius: 8px;
  padding: 7px 8px;
  font-family: var(--font);
  font-size: 11px;
  color: var(--d-text-2);
  background: var(--d-surface, rgba(255,255,255,0.04));
  cursor: pointer;
  outline: none;
}
.demo-theme-select:hover { border-color: var(--d-accent); color: var(--d-text); }

/* Contenido principal */
.demo-content {
  flex: 1;
  min-width: 0;
  padding: 18px 20px;
  overflow-y: auto;
  background: var(--d-bg);
}
.demo-page { display: none; }
.demo-page.active { display: block; }
.demo-page-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.demo-content h2 { font-size: 16px; font-weight: 700; margin: 0; flex: 1; }
.demo-content h3 { font-size: 13px; font-weight: 600; margin: 16px 0 8px; color: var(--d-text-2); }
.demo-page-sub { color: var(--d-text-3); font-size: 12px; margin-bottom: 14px; }
.demo-balance { color: var(--d-success); font-size: 18px; font-weight: 700; white-space: nowrap; }

.demo-banner {
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
}
.demo-banner-danger { background: rgba(239, 68, 68, 0.14); border: 1px solid rgba(239, 68, 68, 0.5); color: var(--d-danger); }
.demo-banner-info { background: rgba(59, 130, 246, 0.12); border: 1px solid rgba(59, 130, 246, 0.4); color: var(--d-info); }

/* Barra de estado de conexión */
.demo-conn {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  padding: 10px 16px;
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  font-size: 12px;
}
.demo-conn-title { font-weight: 700; color: var(--d-text); }
.demo-conn-item { font-weight: 600; }
.demo-conn-sep { color: var(--d-border-2); }
.demo-conn-btn { margin-left: auto; }

/* Tarjetas de estadísticas */
.demo-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.demo-stat {
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 12px;
  min-width: 0;
}
.demo-stat .l {
  color: var(--d-text-2);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.demo-stat .n { font-weight: 900; font-size: 18px; white-space: nowrap; }
.demo-stat[data-demo-stat="pnl"] .n { color: var(--d-success); }
.demo-stat[data-demo-stat="winrate"] .n { color: var(--d-success); }
.demo-stat[data-demo-stat="canales"] .n { color: var(--d-warn); }
.demo-stat[data-demo-stat="operaciones"] .n { color: var(--d-success); }
.demo-stat[data-demo-stat="señales_hoy"] .n { color: var(--d-info); }

/* Fila inferior del panel */
.demo-dash-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.demo-spark-card, .demo-msgs-card {
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 12px 14px;
  min-width: 0;
}
.demo-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.demo-card-title { font-weight: 700; font-size: 13px; color: var(--d-text); }
.demo-card-desc { color: var(--d-text-3); font-size: 11px; margin: 2px 0 8px; }
.demo-live-badge {
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--d-success);
  border: 1px solid var(--d-success);
  border-radius: 999px;
  padding: 2px 6px;
}
.demo-card-pnl { margin-left: auto; font-weight: 700; font-size: 13px; }
.demo-spark { width: 100%; height: 46px; display: block; }
.demo-close-row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.demo-msgs { display: flex; flex-direction: column; gap: 2px; }
.demo-msg {
  font-size: 11px;
  color: var(--d-text-2);
  padding: 2px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.demo-msg .demo-msg-time { color: var(--d-text-3); font-size: 10px; }
.demo-link { margin-top: 2px; }

/* Botones */
.demo-btn {
  border: 1px solid var(--d-border);
  background: var(--d-surface-2);
  color: var(--d-text);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.demo-btn:hover { opacity: 0.85; }
.demo-btn:active { opacity: 0.7; }
.demo-btn-sm { padding: 5px 10px; font-size: 10.5px; border-radius: 7px; }
.demo-btn-ghost { background: transparent; color: var(--d-text-2); }
.demo-btn-ghost:hover { border-color: var(--d-accent); color: var(--d-text); }
.demo-btn-accent { background: var(--d-accent); border-color: var(--d-accent); color: #fff; }
.demo-btn-success { background: var(--d-success); border-color: var(--d-success); color: #fff; }
.demo-btn-danger { background: var(--d-danger); border-color: var(--d-danger); color: #fff; }
.demo-btn-warn { background: var(--d-warn); border-color: var(--d-warn); color: #fff; }
.demo-btn-close { background: var(--d-success); border-color: var(--d-success); color: #fff; font-size: 10px; }
.demo-btn-close.demo-btn-danger { background: var(--d-danger); border-color: var(--d-danger); }
.demo-btn-ok { background: var(--d-success); border-color: var(--d-success); color: #fff; }
.demo-btn-off { background: var(--d-text-3); border-color: var(--d-text-3); color: #fff; }
.demo-onoff { min-width: 44px; text-align: center; font-weight: 700; }
.demo-tg-status { font-size: 11px; font-weight: 700; }

/* Inputs */
.demo-input {
  background: var(--d-surface-2);
  border: 1px solid var(--d-border-2);
  border-radius: 7px;
  padding: 7px 10px;
  color: var(--d-text);
  font-size: 12px;
  min-width: 0;
}
.demo-input:focus { outline: none; border-color: var(--d-accent); }
.demo-input-sm { padding: 5px 8px; font-size: 11px; max-width: 84px; }
.demo-select { cursor: pointer; }

/* Cards de secciones */
.demo-card {
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
}
.demo-card-standar { border-radius: 14px; }
.demo-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.demo-row-between { justify-content: space-between; }
.demo-row-start { align-items: flex-start; }
.demo-flex1 { flex: 1; min-width: 0; }
.demo-icon { font-size: 16px; }
.demo-status { font-size: 11px; font-weight: 600; margin-top: 8px; }
.demo-mt-big { font-size: 12.5px; font-weight: 700; }

/* Campos de conexión */
.demo-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 10px 0 12px;
}
.demo-fields label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  color: var(--d-text-3);
  font-weight: 600;
  min-width: 0;
}

/* Notificaciones / switches */
.demo-notif-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.demo-switch-row { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--d-text-2); cursor: pointer; }
.demo-switch { position: relative; display: inline-block; width: 38px; height: 21px; flex-shrink: 0; }
.demo-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.demo-switch span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--d-surface-3);
  border: 1px solid var(--d-border-2);
  transition: background 0.18s ease;
  cursor: pointer;
}
.demo-switch span::before {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.18s ease;
}
.demo-switch input:checked + span { background: var(--d-accent); border-color: var(--d-accent); }
.demo-switch input:checked + span::before { transform: translateX(17px); }

/* Canales */
.demo-add-row { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.demo-add-row .demo-select { flex: 1; min-width: 160px; }
.demo-channel-list { display: flex; flex-direction: column; gap: 10px; }
.demo-channel-card {
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 12px 14px;
}
.demo-channel-name { font-weight: 700; font-size: 14px; color: var(--d-text); }
.demo-channel-summary { color: var(--d-text-2); font-size: 11px; margin: 4px 0 8px; }
.demo-channel-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.demo-channel-config {
  margin-top: 12px;
  padding: 12px 12px 6px;
  background: var(--d-bg);
  border: 1px solid var(--d-border);
  border-radius: 8px;
}

/* Configuración */
.demo-sec-title {
  color: var(--d-accent);
  font-size: 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--d-border-2);
  padding-bottom: 4px;
  margin: 14px 0 8px;
}
.demo-sec-title:first-child { margin-top: 0; }
.demo-lot-modes { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.demo-radio, .demo-cb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--d-text);
  cursor: pointer;
}
.demo-cb-row { display: flex; gap: 12px; flex-wrap: wrap; }
.demo-cb-full { margin: 6px 0; }
.demo-cb-inline { margin-right: 4px; }
.demo-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.demo-field { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; color: var(--d-text-2); min-width: 0; }
.demo-field-row { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
.demo-field-row span { font-size: 12px; color: var(--d-text-2); min-width: 64px; }
.demo-warn-cb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--d-warn);
  font-size: 12px;
  font-weight: 700;
  margin: 8px 0 2px;
  cursor: pointer;
}
.demo-warn-note {
  color: var(--d-warn);
  font-size: 11px;
  margin: 8px 0;
}
.demo-save-row { display: flex; justify-content: flex-end; margin-top: 12px; }
.demo-templates { display: flex; gap: 8px; margin-bottom: 12px; }
.demo-tpl {
  flex: 1;
  border: 1px solid var(--d-border);
  background: var(--d-surface);
  color: var(--d-text-2);
  border-radius: 10px;
  padding: 10px 8px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.demo-tpl.active { border-color: var(--d-accent); color: var(--d-text); box-shadow: 0 0 0 1px var(--d-accent); }

/* Tablas */
.demo-table {
  border: 1px solid var(--d-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--d-surface);
  margin-bottom: 12px;
}
.demo-tr {
  display: grid;
  gap: 8px;
  padding: 7px 10px;
  font-size: 11px;
  border-top: 1px solid var(--d-border);
  align-items: center;
}
.demo-tr:first-child { border-top: none; }
.demo-tr.head {
  background: var(--d-header);
  color: var(--d-text-2);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.demo-tr-7 { grid-template-columns: 18px 1.1fr 0.8fr 1fr 0.7fr 0.9fr 0.9fr; }
.demo-tr-8 { grid-template-columns: 18px 1.4fr 0.8fr 0.7fr 1.6fr 0.8fr 0.6fr 0.9fr; }
.demo-cb { color: var(--d-text-3); font-size: 12px; text-align: center; }
.demo-tr .buy { color: var(--d-success); font-weight: 700; }
.demo-tr .sell { color: var(--d-danger); font-weight: 700; }
.demo-ellip { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Tabs de operaciones */
.demo-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.demo-tab {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--d-text-2);
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  cursor: pointer;
}
.demo-tab.active { background: var(--d-accent); color: #fff; border-color: var(--d-accent); }
.demo-tabpage { display: none; }
.demo-tabpage.active { display: block; }
.demo-toolbar { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.demo-toolbar .demo-input { flex: 1; min-width: 120px; }
.demo-toolbar .demo-select-sm { flex: 0 0 auto; }

/* Nota bajo la demo */
.demo-note {
  margin-top: 16px;
  color: var(--text-3);
  font-size: 0.82rem;
  text-align: center;
}

/* ── Demo: calendario de operaciones ── */
.demo-cal {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.demo-cal-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.demo-cal-nav {
  font-size: 22px;
  line-height: 1;
  padding: 4px 12px;
  flex-shrink: 0;
}
.demo-cal-title-wrap {
  flex: 1;
  text-align: center;
  min-width: 0;
}
.demo-cal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--d-text);
  text-transform: capitalize;
}
.demo-cal-summary {
  font-size: 11.5px;
  color: var(--d-text-2);
  margin-top: 2px;
}
.demo-cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.demo-cal-weekdays span {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--d-text-3);
}
.demo-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.demo-cal-cell {
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 8px;
  min-height: 46px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 4px 2px;
  cursor: default;
}
.demo-cal-cell.has {
  cursor: pointer;
}
.demo-cal-cell.has:hover {
  border-color: var(--d-accent);
}
.demo-cal-cell.today {
  background: var(--d-accent);
  border-color: var(--d-accent);
}
.demo-cal-cell.empty {
  background: transparent;
  border-color: transparent;
}
.demo-cal-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--d-text-2);
}
.demo-cal-cell.today .demo-cal-num {
  color: #fff;
}
.demo-cal-pill {
  font-size: 9px;
  font-weight: 600;
  border-radius: 6px;
  padding: 1px 5px;
  white-space: nowrap;
}
.demo-cal-pill.ok {
  background: rgba(34, 197, 94, 0.18);
  color: var(--d-success);
}
.demo-cal-pill.err {
  background: rgba(239, 68, 68, 0.18);
  color: var(--d-danger);
}
.demo-cal-cell.today .demo-cal-pill.ok {
  background: #fff;
  color: var(--d-success);
}
.demo-cal-cell.today .demo-cal-pill.err {
  background: #fff;
  color: var(--d-danger);
}
.demo-cal-hint {
  font-size: 11px;
  color: var(--d-text-3);
}
.demo-cal-detail {
  background: var(--d-surface);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 10px 12px;
}
.demo-cal-detail-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--d-text);
  margin-bottom: 4px;
}
.demo-cal-detail-sum {
  font-size: 11.5px;
  color: var(--d-text-2);
  margin-bottom: 8px;
}
.demo-cal-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 11.5px;
  color: var(--d-text-2);
  padding: 3px 0;
  border-bottom: 1px solid var(--d-border);
}
.demo-cal-detail-row:last-child {
  border-bottom: none;
}
.demo-cal-detail-row .buy {
  color: var(--d-success);
  font-weight: 700;
}
.demo-cal-detail-row .sell {
  color: var(--d-danger);
  font-weight: 700;
}

/* ── Demo: símbolos permitidos ── */
.demo-sym-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--d-text-2);
}
.demo-sym-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 10px;
  margin-bottom: 10px;
}
.demo-sym-grid .demo-cb {
  margin: 0;
}

/* ── Demo: mapeo de símbolos canal → broker ── */
.demo-map-panel {
  background: var(--d-bg);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-top: 8px;
}
.demo-map-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--d-text-2);
  padding: 3px 0;
}
.demo-map-arrow {
  color: var(--d-text-3);
}
.demo-map-missing {
  color: var(--d-warn);
}

/* ── Demo: estadísticas por canal + curva de progreso ── */
.demo-ch-stat {
  position: relative;
  background: var(--d-bg);
  border: 1px solid var(--d-border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
}
.demo-ch-stat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.demo-ch-stat-name {
  font-weight: 700;
  font-size: 12.5px;
  color: var(--d-text);
}
.demo-ch-stat-badge {
  font-size: 12px;
  font-weight: 700;
}
.demo-ch-stat-badge.ok {
  color: var(--d-success);
}
.demo-ch-stat-badge.err {
  color: var(--d-danger);
}
.demo-ch-stat-sub {
  font-size: 11px;
  color: var(--d-text-3);
  margin-top: 3px;
}
.demo-ch-stat-chev {
  position: absolute;
  right: 12px;
  bottom: 10px;
  font-size: 11px;
  color: var(--d-text-3);
}
.demo-ch-stat-detail {
  margin-top: 8px;
  border-top: 1px solid var(--d-border);
  padding-top: 6px;
}
.demo-curve {
  width: 100%;
  height: 90px;
  display: block;
}

/* Ajuste responsive: la demo es una app de escritorio, en móvil
   se mantiene su anchura y se permite scroll horizontal. */
@media (max-width: 860px) {
  .demo-body { min-height: 440px; }
  .demo-sidebar { width: 178px; }
  .demo-stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .app-shot { overflow-x: auto; }
  .app-shot .demo { min-width: 760px; }
}

/* ══════════ Modal de pago ══════════ */
.pay-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(6, 9, 18, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.pay-overlay[aria-hidden="true"] { display: none; }
.pay-modal {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 26px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.pay-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1;
}
.pay-close:hover { color: #fff; border-color: var(--accent); }
.pay-modal h3 { font-size: 1.25rem; margin-bottom: 6px; }
.pay-plan-name { color: var(--text-3); font-size: 0.9rem; margin-bottom: 20px; }
.pay-methods { display: grid; gap: 10px; }
.pay-method {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 15px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  transition: border-color 0.2s ease, transform 0.15s ease, background 0.2s ease;
}
.pay-method:hover { border-color: var(--accent); transform: translateY(-1px); background: var(--surface-2); }
.pay-crypto-loading { color: var(--text-3); font-size: 0.9rem; padding: 6px 0; }
.pay-crypto-detail { display: grid; gap: 14px; margin-top: 4px; }
.pay-crypto-amount {
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  padding: 18px 14px;
}
.pay-crypto-amount .pay-label { display: block; font-size: 0.8rem; color: var(--text-3); margin-bottom: 6px; }
.pay-crypto-amount strong { font-family: var(--font-display); font-size: 1.35rem; color: var(--accent-2); }
.pay-crypto-row { display: grid; gap: 4px; }
.pay-crypto-row .pay-label { font-size: 0.78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.03em; }
.pay-crypto-row code {
  font-family: monospace;
  font-size: 0.82rem;
  word-break: break-all;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  display: block;
  line-height: 1.5;
}

/* ══════════ Panel de administración ══════════ */
.admin-h {
  margin: 24px 0 12px;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.admin-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: var(--bg);
  margin-bottom: 10px;
  display: grid;
  gap: 8px;
}
.admin-item .item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.admin-item .item-top strong { font-size: 0.9rem; }
.admin-item input[type="text"],
.admin-item input[type="url"],
.admin-item input[type="number"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
}
.admin-item .row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.admin-item label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 3px;
}
.admin-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-2);
}
.admin-toggle input { accent-color: var(--accent-3); }
.admin-del {
  border: 1px solid rgba(248,113,113,.4);
  background: rgba(248,113,113,.08);
  color: var(--danger);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}
.admin-del:hover { background: rgba(248,113,113,.18); }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.admin-table th,
.admin-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.admin-table th {
  color: var(--text-3);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.admin-table .lic-key { font-family: monospace; font-size: 0.8rem; word-break: break-all; }
.lic-badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}
.lic-badge.lic-ok { background: rgba(52,211,153,.12); color: #34d399; }
.lic-badge.lic-bad { background: rgba(248,113,113,.12); color: var(--danger); }
.rem-ok { color: #34d399; }
.rem-warn { color: #fbbf24; }
.rem-bad { color: var(--danger); }
.num-cell { font-variant-numeric: tabular-nums; }