/* EtherIA — hoja de estilos principal. Sin frameworks: mobile-first, accesible y compatible con la CSP. */

:root {
  --bg: #05070a;
  --bg-2: #080c12;
  --surface: #0c1117;
  --surface-2: #111821;
  --line: rgba(214, 232, 243, 0.09);
  --line-2: rgba(214, 232, 243, 0.17);
  --text: #eef3f6;
  --muted: #a1adb9;
  --dim: #707c88;
  --silver: #c9d3dc;
  --emerald: #2ee6a6;
  --emerald-2: #10b981;
  --cyan: #22d3ee;
  --amber: #f5b544;
  --grad: linear-gradient(100deg, #3cf2b2 0%, #22d3ee 100%);
  --grad-btn: linear-gradient(100deg, #2ee6a6 0%, #1fd0c9 100%);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
  --font: 'Inter', 'Segoe UI Variable Text', 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Roboto, Arial, sans-serif;
  --font-display: 'Inter', 'Segoe UI Variable Display', 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Roboto, Arial, sans-serif;
  --container: 1200px;
  --pad: clamp(20px, 4vw, 32px);
  --section: clamp(72px, 9vw, 120px);
  --header-h: 68px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 8% -10%, rgba(46, 230, 166, 0.07), transparent 60%),
    radial-gradient(800px 600px at 100% 30%, rgba(34, 211, 238, 0.05), transparent 60%),
    var(--bg);
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--emerald); }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; text-wrap: balance; }
h3 { font-size: 1.1rem; letter-spacing: -0.01em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(46, 230, 166, 0.3); }

.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; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--emerald); color: #03140d; border-radius: 10px; font-weight: 600; }
.skip-link:focus { top: 12px; color: #03140d; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad); }
.container-narrow { max-width: 860px; }
.section { padding-block: var(--section); position: relative; }
.section-tight { padding-block: clamp(40px, 6vw, 64px); }
.section-alt { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018) 12%, rgba(255, 255, 255, 0.018) 88%, transparent); }
.section-alt::before { content: ''; position: absolute; inset: 0 0 auto; height: 1px; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }

.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.icon { flex-shrink: 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.97rem; line-height: 1.2; cursor: pointer; text-align: center;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--grad-btn); color: #03140d; box-shadow: 0 10px 30px -12px rgba(46, 230, 166, 0.55); }
.btn-primary:hover { color: #03140d; transform: translateY(-1px); box-shadow: 0 14px 36px -12px rgba(46, 230, 166, 0.7); }
.btn-ghost { background: rgba(255, 255, 255, 0.03); border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: rgba(46, 230, 166, 0.5); color: var(--text); background: rgba(46, 230, 166, 0.06); }
.btn-link { padding-inline: 4px; min-height: 44px; color: var(--emerald); }
.btn-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.btn-sm { min-height: 40px; padding: 8px 18px; font-size: 0.9rem; }
.btn[hidden] { display: none; }
.btn:disabled { opacity: 0.6; cursor: progress; transform: none; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--emerald); font-weight: 600; }
.text-link:hover { gap: 12px; }
.link-btn { background: none; border: 0; padding: 8px 0; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.link-btn:hover { color: var(--text); }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(5, 7, 10, 0.72); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color 0.3s ease, background-color 0.3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(5, 7, 10, 0.88); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.28rem; letter-spacing: -0.02em; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { width: 36px; height: 36px; }
.brand-word { color: var(--silver); }
.brand-word span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav ul a { display: block; padding: 8px 14px; border-radius: 999px; color: var(--muted); font-size: 0.95rem; font-weight: 500; }
.main-nav ul a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 12px; border: 1px solid var(--line-2); background: transparent; cursor: pointer; }
.menu-toggle .i-close { display: none; }
.menu-toggle[aria-expanded='true'] .i-open { display: none; }
.menu-toggle[aria-expanded='true'] .i-close { display: block; }
.main-nav .nav-cta-mobile { display: none; }

.main-nav ul a { white-space: nowrap; }
@media (min-width: 961px) and (max-width: 1180px) {
  .header-inner { gap: 12px; }
  .main-nav ul { gap: 0; }
  .main-nav ul a { padding: 8px 8px; font-size: 0.88rem; }
}
@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto; padding: 16px var(--pad) 28px;
    background: rgba(5, 7, 10, 0.97); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .main-nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav ul a { padding: 14px 8px; font-size: 1.05rem; border-radius: 10px; }
  .main-nav .nav-cta-mobile { display: flex; margin-top: 16px; width: 100%; }
}
@media (max-width: 420px) { .header-actions .btn-sm { padding-inline: 14px; } .brand { font-size: 1.15rem; } }

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; overflow: hidden; padding-block: clamp(56px, 9vw, 120px) clamp(64px, 9vw, 128px); min-height: min(88vh, 860px); display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; filter: brightness(1.25) saturate(1.15); }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.86) 0%, rgba(5, 7, 10, 0.55) 45%, rgba(5, 7, 10, 0.12) 100%),
    linear-gradient(180deg, rgba(5, 7, 10, 0.15) 0%, rgba(5, 7, 10, 0) 55%, var(--bg) 100%);
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; color: var(--emerald); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.5rem); line-height: 1.06; letter-spacing: -0.035em; text-shadow: 0 4px 30px rgba(0, 0, 0, 0.55); }
.hero .hero-lead, .hero .eyebrow, .hero-motto { text-shadow: 0 2px 14px rgba(0, 0, 0, 0.7); }
.hero h1 .grad { display: block; padding-bottom: 0.1em; text-shadow: none; filter: drop-shadow(0 4px 18px rgba(0, 0, 0, 0.55)); }
/* Frase de marca: acompaña al H1 sin competir con él. */
.hero-motto { display: inline-block; margin: 0 0 18px; padding: 6px 0 6px 14px; border-left: 3px solid var(--emerald); color: var(--silver); font-size: clamp(0.95rem, 1.3vw, 1.08rem); font-weight: 600; font-style: italic; line-height: 1.4; }
.hero-motto .grad { text-shadow: none; }
.hero-lead { margin-top: 22px; font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 62ch; }
.hero .hero-lead { color: #dbe3ea; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 18px; }
.hero-wa { font-size: 0.95rem; }

.flow-card {
  position: relative; padding: 22px; border-radius: 22px; border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(17, 24, 33, 0.9), rgba(8, 12, 18, 0.88)); box-shadow: var(--shadow), 0 0 0 1px rgba(46, 230, 166, 0.04) inset;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.flow-card::after { content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, rgba(46, 230, 166, 0.5), transparent 40%, transparent 60%, rgba(34, 211, 238, 0.4)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.flow-card-head { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; color: var(--dim); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }
.flow-card-head span:last-child { margin-left: 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.12); }
.bubble { display: inline-block; max-width: 85%; margin-bottom: 18px; padding: 12px 16px; border-radius: 16px 16px 16px 4px; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); font-size: 0.95rem; }
.flow-steps { display: grid; gap: 10px; }
.flow-steps li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); font-size: 0.93rem; color: var(--silver); opacity: 0.35; animation: flowIn 6s ease-in-out infinite; }
.flow-steps li:nth-child(2) { animation-delay: 0.9s; }
.flow-steps li:nth-child(3) { animation-delay: 1.8s; }
.flow-steps li:nth-child(4) { animation-delay: 2.7s; }
.fs-ico { display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 9px; background: rgba(46, 230, 166, 0.1); color: var(--emerald); }
.fs-ok { margin-left: auto; display: inline-flex; width: 22px; height: 22px; align-items: center; justify-content: center; border-radius: 50%; background: rgba(46, 230, 166, 0.16); color: var(--emerald); }
.flow-caption { margin-top: 16px; font-size: 0.78rem; color: var(--dim); text-align: center; }
@keyframes flowIn {
  0%, 8% { opacity: 0.35; border-color: var(--line); }
  16%, 80% { opacity: 1; border-color: rgba(46, 230, 166, 0.28); }
  92%, 100% { opacity: 0.35; border-color: var(--line); }
}

@media (max-width: 960px) {
  .hero { min-height: 0; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero::before { background: linear-gradient(180deg, rgba(5, 7, 10, 0.55) 0%, rgba(5, 7, 10, 0.75) 60%, var(--bg) 100%); }
  .hero-visual { max-width: 460px; }
}
@media (max-width: 700px) { .hero-bg img { object-position: 50% 50%; } }
@media (max-width: 640px) {
  .hero { padding-block: 36px 40px; }
  .hero-motto { margin-bottom: 14px; font-size: 0.92rem; }
  .hero-lead { margin-top: 16px; font-size: 1rem; }
  .hero-actions { margin: 24px 0 14px; }
  .hero-actions .btn { width: 100%; }
  /* Tarjeta del asistente en versión compacta (en lugar de ocultarla). */
  .hero-visual { max-width: none; }
  .flow-card { padding: 14px; border-radius: 18px; }
  .flow-card-head { margin-bottom: 10px; }
  .bubble { margin-bottom: 10px; padding: 8px 12px; font-size: 0.86rem; }
  .flow-steps { grid-template-columns: 1fr 1fr; gap: 6px; }
  .flow-steps li { gap: 8px; padding: 8px 10px; font-size: 0.78rem; line-height: 1.3; border-radius: 10px; }
  .fs-ico { width: 24px; height: 24px; border-radius: 7px; }
  .fs-ok, .flow-caption { display: none; }
}

/* ---------- Encabezados de sección ---------- */
.section-head { max-width: 760px; margin: 0 auto clamp(40px, 5vw, 60px); text-align: center; }
.section-head.is-left { margin-inline: 0; text-align: left; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); letter-spacing: -0.03em; }
.section-lead { margin-top: 16px; color: var(--muted); font-size: 1.08rem; }
.section-more { margin-top: 28px; text-align: center; }
.small-title { font-size: 1rem; color: var(--muted); font-weight: 600; margin-bottom: 16px; }

/* ---------- Tarjetas base ---------- */
.card, .sol-card, .reason, .case-card, .step {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  transition: border-color 0.25s ease, transform 0.25s ease, background-color 0.25s ease;
}
.stretched::after { content: ''; position: absolute; inset: 0; border-radius: inherit; }
.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 18px; color: var(--emerald); font-weight: 600; font-size: 0.93rem; }

/* Soluciones */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-flow: dense; gap: 18px; }
.sol-card { padding: 24px; display: flex; flex-direction: column; }
.sol-card:hover { border-color: rgba(46, 230, 166, 0.35); transform: translateY(-3px); }
.sol-top { display: flex; align-items: center; gap: 14px; }
.sol-problem { margin: 0; color: var(--text); font-weight: 600; font-size: 1rem; line-height: 1.35; }
.sol-card h3 { margin-top: 16px; font-size: 0.8rem; color: var(--emerald); letter-spacing: 0.1em; text-transform: uppercase; }
.sol-card h3 a:hover { color: inherit; }
.sol-card > p { margin: 8px 0 0; color: var(--muted); font-size: 0.96rem; }
.sol-card > p.sol-benefit { display: flex; gap: 8px; align-items: flex-start; margin-top: 12px; color: var(--silver); font-size: 0.93rem; }
.sol-benefit .icon { color: var(--emerald); margin-top: 4px; }
.sol-card .card-link { padding-top: 14px; }
.sol-icon { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 14px; color: var(--emerald); background: linear-gradient(140deg, rgba(46, 230, 166, 0.16), rgba(34, 211, 238, 0.08)); border: 1px solid rgba(46, 230, 166, 0.22); }
.mini-list { display: grid; gap: 10px; margin-top: 22px; }
.mini-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--silver); font-size: 0.97rem; }
.mini-list .icon { color: var(--emerald); margin-top: 4px; }

/* Por qué */
.reason-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.reason { padding: 26px; }
.reason h3 { margin-top: 16px; }
.reason p { margin-top: 8px; color: var(--muted); font-size: 0.96rem; }
.reason-ico { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 12px; color: var(--cyan); background: rgba(34, 211, 238, 0.08); border: 1px solid rgba(34, 211, 238, 0.18); }
.reason-grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ---------- Fundador ---------- */
.founder { background: radial-gradient(700px 500px at 15% 40%, rgba(46, 230, 166, 0.08), transparent 70%), radial-gradient(600px 400px at 90% 80%, rgba(34, 211, 238, 0.05), transparent 70%); }
.founder-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(36px, 5vw, 80px); align-items: start; }
.founder-photo { position: sticky; top: calc(var(--header-h) + 40px); margin: 14px 14px 0 0; }
.founder-photo::before { content: ''; position: absolute; inset: -14px -14px 14px 14px; border-radius: 30px; border: 1px solid rgba(46, 230, 166, 0.3); background: linear-gradient(140deg, rgba(46, 230, 166, 0.1), rgba(34, 211, 238, 0.04)); z-index: -1; }
.founder-photo img { width: 100%; border-radius: 26px; border: 1px solid var(--line-2); box-shadow: var(--shadow); }
.founder-badge { position: absolute; left: 18px; bottom: 18px; display: grid; gap: 2px; padding: 12px 16px; border-radius: 16px; background: rgba(5, 7, 10, 0.78); border: 1px solid rgba(46, 230, 166, 0.3); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.founder-badge strong { font-size: 0.98rem; }
.founder-badge span { color: var(--emerald); font-size: 0.82rem; font-weight: 600; }
.founder-copy h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; }
.founder-intro { margin: 16px 0 22px; padding-left: 16px; border-left: 3px solid var(--emerald); color: var(--silver); font-size: 1.08rem; }
.founder-more { margin-top: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.02); }
.founder-more[open] { border-color: rgba(46, 230, 166, 0.3); }
.founder-more summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; cursor: pointer; color: var(--emerald); font-weight: 600; list-style: none; }
.founder-more summary::-webkit-details-marker { display: none; }
.founder-more[open] .faq-icon::after { transform: rotate(0); }
.founder-bio { padding: 0 18px 16px; }
.founder-bio p { color: var(--muted); }
.founder-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.founder-facts li { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.025); color: var(--silver); font-size: 0.9rem; line-height: 1.45; }
.founder-facts .icon { color: var(--cyan); margin-top: 1px; }
.founder-facts li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.founder-quote { margin: 24px 0 0; padding: 20px 22px; border-radius: 18px; border: 1px solid rgba(46, 230, 166, 0.28); background: linear-gradient(140deg, rgba(46, 230, 166, 0.1), rgba(34, 211, 238, 0.04)); }
.founder-quote p { margin: 0; color: var(--text); font-size: 1.08rem; font-weight: 600; line-height: 1.5; }
.founder-quote footer { margin-top: 10px; color: var(--emerald); font-size: 0.88rem; font-weight: 600; }
.founder .hero-actions { margin-bottom: 0; }

/* ---------- Diagramas de flujos reales ---------- */
.diagram { margin: 0; }
.diagram-link { position: relative; display: block; border-radius: 20px; overflow: hidden; border: 1px solid var(--line-2); background: #04080c; box-shadow: var(--shadow); }
.diagram-link img { width: 100%; transition: transform 0.4s ease; }
.diagram-link:hover img { transform: scale(1.01); }
.diagram-zoom { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: rgba(5, 7, 10, 0.8); border: 1px solid var(--line-2); color: var(--text); font-size: 0.82rem; font-weight: 600; }
.diagram-link:hover .diagram-zoom { border-color: rgba(46, 230, 166, 0.5); color: var(--emerald); }
.diagram figcaption { margin-top: 12px; color: var(--dim); font-size: 0.85rem; text-align: center; }
.case-diagram { margin-top: clamp(36px, 5vw, 56px); }
.case-thumb { margin: -24px -24px 18px; aspect-ratio: 16 / 7; overflow: hidden; border-bottom: 1px solid var(--line); border-radius: var(--radius) var(--radius) 0 0; background: #04080c; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: left center; opacity: 0.85; transition: opacity 0.3s, transform 0.4s; }
.case-card:hover .case-thumb img { opacity: 1; transform: scale(1.04); }

/* ---------- Demos ---------- */
.demo-shell { border: 1px solid var(--line-2); border-radius: 26px; background: linear-gradient(180deg, rgba(17, 24, 33, 0.7), rgba(8, 12, 18, 0.7)); box-shadow: var(--shadow); overflow: hidden; }
.demo-tabs { display: flex; gap: 6px; padding: 10px; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.demo-tabs button { flex: 1 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 10px 18px; border-radius: 14px; border: 1px solid transparent; background: transparent; color: var(--muted); font-weight: 600; cursor: pointer; transition: background-color 0.2s, color 0.2s, border-color 0.2s; }
.demo-tabs button:hover { color: var(--text); background: rgba(255, 255, 255, 0.03); }
.demo-tabs button[aria-selected='true'] { color: var(--text); background: rgba(46, 230, 166, 0.08); border-color: rgba(46, 230, 166, 0.3); }
.demo-tabs button[aria-selected='true'] .icon { color: var(--emerald); }
.demo-panel { padding: clamp(18px, 3vw, 32px); }
.demo-badge { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; padding: 6px 12px; border-radius: 999px; background: rgba(245, 181, 68, 0.08); border: 1px solid rgba(245, 181, 68, 0.28); color: #f8cf7f; font-size: 0.82rem; font-weight: 500; }
.demo-note { margin-top: 16px; color: var(--dim); font-size: 0.85rem; }

/* Chat */
.chat-demo { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
.chat-window { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 20px; background: #070b10; overflow: hidden; min-height: 520px; }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.chat-avatar { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 50%; background: var(--grad-btn); color: #03140d; }
.chat-name { margin: 0; font-weight: 600; font-size: 0.97rem; }
.chat-sub { margin: 0; font-size: 0.8rem; color: var(--dim); }
.chat-log { flex: 1; display: flex; flex-direction: column; gap: 10px; padding: 18px; overflow-y: auto; max-height: 420px; scroll-behavior: smooth; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 16px; font-size: 0.95rem; line-height: 1.5; animation: msgIn 0.25s ease both; white-space: pre-line; }
.msg-bot { align-self: flex-start; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg-user { align-self: flex-end; background: rgba(46, 230, 166, 0.16); border: 1px solid rgba(46, 230, 166, 0.3); border-bottom-right-radius: 4px; }
.msg-system { align-self: center; max-width: 92%; padding: 6px 12px; font-size: 0.8rem; color: var(--dim); border: 1px dashed var(--line-2); border-radius: 999px; text-align: center; }
.typing { display: inline-flex; gap: 4px; padding: 14px 16px; }
.typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1s infinite; }
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes blink { 0%, 100% { opacity: 0.25; } 50% { opacity: 1; } }
@keyframes msgIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.chat-suggest { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 12px; }
.chat-suggest button { min-height: 36px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03); color: var(--silver); font-size: 0.85rem; cursor: pointer; }
.chat-suggest button:hover { border-color: rgba(46, 230, 166, 0.45); color: var(--text); }
.chat-input { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.chat-input input { flex: 1; min-width: 0; min-height: 46px; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.03); }
.chat-input input:focus { outline: none; border-color: rgba(46, 230, 166, 0.55); }
.chat-input button { width: 46px; height: 46px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; border: 0; background: var(--grad-btn); color: #03140d; cursor: pointer; }
.chat-behind { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 255, 255, 0.015); }
.chat-behind summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; list-style: none; cursor: default; }
.chat-behind summary::-webkit-details-marker { display: none; }
.chat-behind h3 { font-size: 1rem; }
.behind-toggle { display: none; }
.chat-hint { margin: 0; padding: 0 18px 8px; color: var(--dim); font-size: 0.8rem; }
.trace { display: grid; gap: 8px; counter-reset: t; }
.trace li { position: relative; padding: 10px 12px 10px 38px; border-radius: 12px; background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line); font-size: 0.87rem; color: var(--silver); animation: msgIn 0.25s ease both; }
.trace li::before { counter-increment: t; content: counter(t); position: absolute; left: 10px; top: 10px; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 0.72rem; font-weight: 700; background: rgba(34, 211, 238, 0.14); color: var(--cyan); }
.trace li.trace-empty { padding-left: 12px; color: var(--dim); }
.trace li.trace-empty::before { display: none; }
.trace strong { color: var(--text); font-weight: 600; }
.notify-card { margin-top: 14px; padding: 14px; border-radius: 14px; border: 1px solid rgba(34, 211, 238, 0.35); background: rgba(34, 211, 238, 0.06); font-size: 0.88rem; animation: msgIn 0.3s ease both; }
.notify-card[hidden] { display: none; }
.notify-app { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; color: var(--cyan); font-weight: 600; font-size: 0.8rem; }

/* Chips (radio/checkbox) */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; display: inline-flex; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span, .chip-btn { display: inline-flex; align-items: center; min-height: 42px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.025); color: var(--silver); font-size: 0.92rem; cursor: pointer; transition: border-color 0.2s, background-color 0.2s, color 0.2s; }
.chip:hover span, .chip-btn:hover { border-color: rgba(46, 230, 166, 0.45); color: var(--text); }
.chip input:checked + span, .chip-btn[aria-checked='true'] { border-color: var(--emerald); background: rgba(46, 230, 166, 0.13); color: var(--text); }
.chip input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* Pipeline */
.pipeline { display: grid; gap: 8px; margin-top: 22px; counter-reset: p; }
.pipeline li { position: relative; display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); color: var(--dim); font-size: 0.92rem; transition: color 0.3s, border-color 0.3s, background-color 0.3s; }
.pipeline li::before { counter-increment: p; content: counter(p); flex-shrink: 0; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font-size: 0.75rem; font-weight: 700; border: 1px solid var(--line-2); }
.pipeline li.is-active { color: var(--text); border-color: rgba(34, 211, 238, 0.5); background: rgba(34, 211, 238, 0.06); }
.pipeline li.is-active::before { border-color: var(--cyan); color: var(--cyan); animation: blink 0.9s infinite; }
.pipeline li.is-done { color: var(--silver); border-color: rgba(46, 230, 166, 0.25); }
.pipeline li.is-done::before { content: '✓'; background: rgba(46, 230, 166, 0.18); border-color: transparent; color: var(--emerald); }
.pipeline-row { display: flex; flex-wrap: wrap; margin: 20px 0; }
.pipeline-row li { flex: 1 1 140px; color: var(--silver); }

/* Redes */
.social-demo { display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px; align-items: start; }
.social-output:empty::before { content: 'Elige un tipo de negocio para ver un ejemplo de publicación.'; display: grid; place-items: center; min-height: 360px; padding: 24px; text-align: center; border: 1px dashed var(--line-2); border-radius: 20px; color: var(--dim); }
.post { border: 1px solid var(--line-2); border-radius: 20px; background: #0a0f15; overflow: hidden; animation: msgIn 0.35s ease both; }
.post-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.post-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--grad-btn); display: grid; place-items: center; color: #03140d; font-weight: 700; font-size: 0.85rem; }
.post-brand { margin: 0; font-weight: 600; font-size: 0.92rem; }
.post-meta { margin: 0; font-size: 0.76rem; color: var(--dim); }
.post-visual { position: relative; aspect-ratio: 4 / 3; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; overflow: hidden; }
.post-visual::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.55)); }
.post-visual > * { position: relative; }
.post-visual .pv-tag { align-self: flex-start; margin-bottom: auto; padding: 4px 10px; border-radius: 999px; background: rgba(0, 0, 0, 0.35); border: 1px solid rgba(255, 255, 255, 0.25); font-size: 0.72rem; letter-spacing: 0.05em; }
.post-visual .pv-title { margin: 0; font-size: clamp(1.3rem, 2.4vw, 1.75rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5); }
.post-visual .pv-sub { margin: 6px 0 0; font-size: 0.85rem; opacity: 0.9; }
.theme-spa { background: radial-gradient(circle at 75% 25%, #f3d9a4 0%, transparent 35%), linear-gradient(135deg, #3d2a1a, #8a6234 55%, #1d140c); }
.theme-restaurante { background: radial-gradient(circle at 25% 30%, #ffb466 0%, transparent 38%), linear-gradient(135deg, #3b1408, #a2441a 55%, #1a0905); }
.theme-tienda { background: radial-gradient(circle at 70% 30%, #b5f0d4 0%, transparent 35%), linear-gradient(135deg, #0e3b33, #1f8a6c 55%, #062019); }
.theme-clinica { background: radial-gradient(circle at 75% 25%, #ffc4dd 0%, transparent 35%), linear-gradient(135deg, #43182f, #b0477a 55%, #1d0a15); }
.theme-servicios { background: radial-gradient(circle at 25% 25%, #a9c8ff 0%, transparent 35%), linear-gradient(135deg, #0e1c3d, #2c5297 55%, #070e20); }
.post-body { padding: 16px; display: grid; gap: 12px; font-size: 0.93rem; }
.post-body dl { margin: 0; display: grid; gap: 10px; }
.post-body dt { color: var(--dim); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }
.post-body dd { margin: 2px 0 0; color: var(--silver); white-space: pre-line; }
.post-status { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); font-size: 0.85rem; }
.post-status p { margin: 0 auto 0 0; color: var(--amber); font-weight: 600; }
.post-status p.is-ok { color: var(--emerald); }
.post-status button { min-height: 36px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; color: var(--text); cursor: pointer; font-size: 0.85rem; }
.post-status button.approve { background: var(--grad-btn); color: #03140d; border-color: transparent; font-weight: 600; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.025); color: var(--silver); font-size: 0.86rem; }

/* Productos */
.product-stage { display: grid; grid-template-columns: 1fr 1fr 1.15fr; gap: 18px; align-items: start; }
.product-fig { margin: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #0a0f15; animation: msgIn 0.35s ease both; }
.product-fig figcaption { padding: 10px 14px; font-size: 0.8rem; color: var(--dim); border-top: 1px solid var(--line); }
.product-fig .pf-img { aspect-ratio: 1; display: grid; place-items: center; padding: 18%; }
.pf-before { background: linear-gradient(180deg, #4a4d52, #34373b); }
.pf-before svg { filter: saturate(0.75) brightness(0.92); transform: rotate(-4deg); }
.pf-after { position: relative; }
.pf-after .pf-headline { position: absolute; left: 14px; right: 14px; top: 12px; margin: 0; font-weight: 700; font-size: 0.95rem; letter-spacing: -0.01em; text-shadow: 0 1px 10px rgba(0, 0, 0, 0.4); }
.pf-after .pf-brand { position: absolute; right: 12px; bottom: 10px; margin: 0; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.85; }
.pf-after svg { filter: drop-shadow(0 18px 24px rgba(0, 0, 0, 0.45)); }
.prod-a { background: radial-gradient(circle at 50% 60%, #f6e6cf 0%, #d9b98f 70%); color: #2b1d0e; }
.prod-b { background: radial-gradient(circle at 50% 60%, #e8f3ea 0%, #9ccfb0 75%); color: #10291b; }
.prod-c { background: radial-gradient(circle at 50% 60%, #f3e3d3 0%, #b07c52 80%); color: #24140a; }
.product-copy { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, 0.02); animation: msgIn 0.35s ease both; }
.product-copy h3 { font-size: 1.05rem; }
.product-copy dl { margin: 12px 0 0; display: grid; gap: 10px; font-size: 0.92rem; }
.product-copy dt { color: var(--dim); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }
.product-copy dd { margin: 2px 0 0; color: var(--silver); white-space: pre-line; }
.review { margin-top: 16px; padding: 14px; border-radius: 14px; border: 1px solid rgba(245, 181, 68, 0.3); background: rgba(245, 181, 68, 0.06); font-size: 0.88rem; }
.review p { margin: 0 0 8px; color: #f8cf7f; font-weight: 600; }
.review li { display: flex; gap: 8px; color: var(--silver); padding: 3px 0; }
.review li::before { content: '☐'; color: var(--amber); }

/* ---------- Casos ---------- */
.case-feature { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; padding: clamp(22px, 3.5vw, 40px); border: 1px solid var(--line-2); border-radius: 26px; background: linear-gradient(160deg, rgba(17, 24, 33, 0.75), rgba(8, 12, 18, 0.6)); margin-bottom: 22px; }
.case-feature-media { position: relative; padding-bottom: 40px; padding-right: 48px; }
.case-feature-media .frame-phone { position: absolute; right: 0; bottom: 0; width: 30%; max-width: 170px; }
.case-feature-copy h3 { font-size: clamp(1.4rem, 2.4vw, 1.85rem); margin-top: 8px; }
.case-feature-copy > p { margin-top: 12px; color: var(--muted); }
.case-kind { margin: 0; color: var(--cyan); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; }
.case-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }
.frame-desktop { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); background: #0b0f14; box-shadow: var(--shadow); }
.frame-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--line); background: #10151c; }
.frame-bar span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, 0.14); }
.frame-bar p { margin: 0 0 0 10px; flex: 1; padding: 2px 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.05); color: var(--dim); font-size: 0.72rem; }
.frame-phone { margin: 0; padding: 6px; border-radius: 26px; background: #1a2029; border: 1px solid var(--line-2); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.9); }
.frame-phone img { border-radius: 20px; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.case-grid-2 { grid-template-columns: repeat(2, 1fr); }
.case-grid-2 .case-thumb { aspect-ratio: 16 / 6; }
.case-card { padding: 24px; display: flex; flex-direction: column; }
.case-card:hover { border-color: rgba(34, 211, 238, 0.35); transform: translateY(-3px); }
.case-card h3 { margin-top: 10px; }
.case-card h3 a:hover { color: inherit; }
.case-card > p { margin: 10px 0 0; color: var(--muted); font-size: 0.93rem; }
.flow-mini { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.flow-mini span { padding: 3px 9px; border-radius: 999px; background: rgba(34, 211, 238, 0.07); border: 1px solid rgba(34, 211, 238, 0.18); color: var(--silver); font-size: 0.74rem; }

/* ---------- Cómo trabajamos ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step { padding: 26px; }
.step-n { display: inline-block; font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step h3 { margin-top: 14px; }
.step p { margin-top: 8px; color: var(--muted); font-size: 0.96rem; }

/* ---------- Diagnóstico ---------- */
.section-diag { background: radial-gradient(800px 500px at 0% 50%, rgba(46, 230, 166, 0.07), transparent 70%), radial-gradient(700px 500px at 100% 50%, rgba(34, 211, 238, 0.05), transparent 70%); }
.diag-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.diag-intro h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; }
.diag-intro .section-lead { margin-bottom: 24px; }
.check-list { display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--silver); }
.check-list .icon { color: var(--emerald); margin-top: 4px; }
.check-list.big li { font-size: 1.05rem; }
.check-list.muted .icon { color: var(--amber); }
.fine-print { margin-top: 18px; font-size: 0.84rem; color: var(--dim); }
.diag-card { padding: clamp(22px, 3.5vw, 36px); border-radius: 26px; border: 1px solid var(--line-2); background: linear-gradient(180deg, rgba(17, 24, 33, 0.92), rgba(9, 13, 19, 0.92)); box-shadow: var(--shadow); }
.diag-progress { height: 4px; border-radius: 4px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.diag-progress span { display: block; height: 100%; width: 33.33%; background: var(--grad-btn); border-radius: inherit; transition: width 0.35s ease; }
.diag-step-label { margin: 12px 0 18px; color: var(--dim); font-size: 0.85rem; }
.diag-step { border: 0; margin: 0; padding: 0; min-width: 0; }
.diag-step:not(.is-active) { display: none; }
.field { display: grid; gap: 10px; margin-bottom: 22px; }
.field label, .field-label { margin: 0; font-weight: 600; font-size: 0.98rem; }
.opt { font-weight: 400; color: var(--dim); font-size: 0.85rem; margin-left: 4px; }
.field input[type='text'], .field textarea {
  width: 100%; min-height: 48px; padding: 12px 16px; border-radius: 14px; border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, 0.03); transition: border-color 0.2s, background-color 0.2s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus { outline: none; border-color: rgba(46, 230, 166, 0.6); background: rgba(46, 230, 166, 0.04); }
.field [aria-invalid='true'] { border-color: #ff7b7b; }
::placeholder { color: #66717c; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--muted); cursor: pointer; }
.consent input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--emerald); flex-shrink: 0; }
.consent a { color: var(--emerald); text-decoration: underline; text-underline-offset: 3px; }
.form-error { min-height: 1.4em; margin: 8px 0 0; color: #ff9b9b; font-size: 0.9rem; }
.diag-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; }
.diag-nav [data-diag-next], .diag-nav [data-diag-submit] { margin-left: auto; }
.diag-result { animation: msgIn 0.35s ease both; }
.diag-result[hidden] { display: none; }
.diag-result:focus { outline: none; }
.diag-result-title { font-size: 1.5rem; letter-spacing: -0.02em; }
.diag-page { padding-top: clamp(28px, 5vw, 56px); }
.diag-page .diag-intro h1 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); letter-spacing: -0.03em; }
.inline-link { color: var(--emerald); text-decoration: underline; text-underline-offset: 3px; }
.diag-recs { display: grid; gap: 12px; margin-top: 20px; }
.rec { display: flex; gap: 14px; padding: 18px; border-radius: 16px; border: 1px solid rgba(46, 230, 166, 0.28); background: rgba(46, 230, 166, 0.05); }
.rec .sol-icon { width: 42px; height: 42px; }
.rec h3 { margin: 0; font-size: 1.05rem; }
.rec p { margin: 6px 0 8px; color: var(--muted); font-size: 0.93rem; }
.rec a { color: var(--emerald); font-weight: 600; font-size: 0.9rem; }
.diag-send { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.diag-status { margin: 14px 0 4px; font-size: 0.95rem; }
.diag-status.is-ok { color: var(--emerald); }
.diag-status.is-warn { color: #f8cf7f; }
.notice { padding: 14px; border-radius: 12px; border: 1px solid rgba(245, 181, 68, 0.3); background: rgba(245, 181, 68, 0.06); }
.notice a { color: var(--emerald); text-decoration: underline; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 10px; }
.faq-item { border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 255, 255, 0.02); transition: border-color 0.2s; }
.faq-item[open] { border-color: rgba(46, 230, 166, 0.3); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; cursor: pointer; font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon { position: relative; width: 14px; height: 14px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; left: 0; top: 6px; width: 14px; height: 2px; border-radius: 2px; background: var(--emerald); transition: transform 0.25s; }
.faq-icon::after { transform: rotate(90deg); }
.faq-item[open] .faq-icon::after { transform: rotate(0); }
.faq-body { padding: 0 22px 20px; color: var(--muted); }

/* ---------- CTA ---------- */
.final-cta { position: relative; overflow: hidden; padding: clamp(40px, 6vw, 80px) clamp(22px, 5vw, 64px); text-align: center; border-radius: 30px; border: 1px solid rgba(46, 230, 166, 0.25); background: radial-gradient(600px 300px at 50% 0%, rgba(46, 230, 166, 0.14), transparent 70%), linear-gradient(180deg, rgba(17, 24, 33, 0.9), rgba(8, 12, 18, 0.9)); }
.final-mark { width: 96px; height: 96px; margin: 0 auto 18px; }
.final-cta h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.03em; }
.final-cta > p { max-width: 620px; margin: 16px auto 0; color: var(--muted); font-size: 1.08rem; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.contact-line { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 14px; margin-top: 26px; color: var(--muted); font-size: 0.93rem; }
.contact-line a { display: inline-flex; align-items: center; gap: 6px; }
.cta-band { display: flex; justify-content: space-between; align-items: center; gap: 28px; padding: clamp(28px, 4vw, 44px); border-radius: 24px; border: 1px solid rgba(46, 230, 166, 0.25); background: linear-gradient(120deg, rgba(46, 230, 166, 0.1), rgba(34, 211, 238, 0.05) 60%, rgba(255, 255, 255, 0.02)); }
.cta-band h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.cta-band p { margin-top: 8px; color: var(--muted); max-width: 56ch; }
.cta-band .cta-actions { margin-top: 0; flex-shrink: 0; }

/* ---------- Páginas internas ---------- */
.page-hero { padding-block: clamp(36px, 6vw, 72px) clamp(48px, 6vw, 80px); background: radial-gradient(700px 400px at 10% 0%, rgba(46, 230, 166, 0.09), transparent 70%), radial-gradient(600px 400px at 100% 20%, rgba(34, 211, 238, 0.06), transparent 70%); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); letter-spacing: -0.035em; max-width: 20ch; }
.page-hero .container-narrow h1 { max-width: none; }
.page-hero-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: end; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 28px; font-size: 0.85rem; color: var(--dim); }
.breadcrumb li + li::before { content: '/'; margin-right: 6px; opacity: 0.6; }
.breadcrumb a:hover { color: var(--text); }
.for-who { padding: 24px; border-radius: var(--radius); border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.02); }
.for-who h2 { font-size: 0.85rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); }
.problem-list { display: grid; gap: 12px; }
.problem-list li { display: flex; gap: 12px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); color: var(--silver); }
.problem-list .icon { color: var(--amber); margin-top: 3px; }
.flow-steps-big { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.flow-steps-big li { display: flex; gap: 16px; padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.flow-steps-big .step-n { font-size: 1.6rem; min-width: 1.4em; }
.flow-steps-big p { margin-top: 6px; color: var(--muted); font-size: 0.95rem; }
.cap-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.cap-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); color: var(--silver); }
.status { flex-shrink: 0; padding: 3px 10px; border-radius: 999px; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.02em; border: 1px solid; }
.status-dev { color: var(--emerald); border-color: rgba(46, 230, 166, 0.35); background: rgba(46, 230, 166, 0.08); }
.status-test { color: var(--amber); border-color: rgba(245, 181, 68, 0.35); background: rgba(245, 181, 68, 0.08); }
.status-custom { color: var(--cyan); border-color: rgba(34, 211, 238, 0.35); background: rgba(34, 211, 238, 0.08); }
.status-legend { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 22px 0 0; font-size: 0.88rem; color: var(--muted); }
.status-legend div { display: flex; align-items: center; gap: 10px; }
.status-legend dd { margin: 0; }
.example-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.example-grid li { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); color: var(--silver); }
.example-grid .icon { color: var(--emerald); }
.tools { margin-top: 28px; }
.tools p { color: var(--muted); font-size: 0.93rem; margin-bottom: 12px; }
.honesty { padding: clamp(24px, 4vw, 36px); border-radius: 22px; border: 1px solid rgba(34, 211, 238, 0.28); background: rgba(34, 211, 238, 0.04); }
.honesty h2 { display: flex; align-items: center; gap: 12px; font-size: 1.4rem; }
.honesty h2 .icon { color: var(--cyan); }
.honesty ul { display: grid; gap: 12px; margin-top: 16px; }
.honesty li { position: relative; padding-left: 20px; color: var(--silver); }
.honesty li::before { content: ''; position: absolute; left: 0; top: 0.65em; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.related-case { display: flex; justify-content: space-between; align-items: center; gap: 28px; padding: clamp(24px, 4vw, 36px); border-radius: 22px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.02); }
.related-case h2 { font-size: 1.5rem; margin-top: 8px; }
.related-case p:not(.case-kind) { margin-top: 10px; color: var(--muted); max-width: 70ch; }
.related-case .btn { flex-shrink: 0; }
.other-sol { display: flex; flex-wrap: wrap; gap: 10px; }
.other-sol a { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 10px 16px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); color: var(--silver); }
.other-sol a:hover { border-color: rgba(46, 230, 166, 0.4); color: var(--text); }
.other-sol .icon { color: var(--emerald); }

/* Proyectos */
.case-index ul { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.case-index a { display: inline-block; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--silver); font-size: 0.88rem; }
.case-index a:hover { border-color: rgba(46, 230, 166, 0.45); color: var(--text); }
.case-detail-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.case-copy h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -0.03em; margin-top: 10px; }
.case-summary { margin-top: 14px; color: var(--silver); font-size: 1.08rem; }
.case-copy h3 { margin: 26px 0 12px; font-size: 0.85rem; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }
.case-copy > p { color: var(--muted); }
.case-status { margin-top: 22px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line-2); background: rgba(255, 255, 255, 0.02); color: var(--silver); font-size: 0.93rem; }
.case-media { position: sticky; top: calc(var(--header-h) + 24px); }
.gallery { display: grid; gap: 16px; }
.gallery-phones { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 420px; margin-inline: auto; }
.arch { margin: 0; padding: clamp(20px, 3vw, 32px); border-radius: 22px; border: 1px solid var(--line-2); background: radial-gradient(500px 260px at 100% 0%, rgba(34, 211, 238, 0.08), transparent 70%), linear-gradient(180deg, rgba(17, 24, 33, 0.8), rgba(8, 12, 18, 0.8)); }
.arch-flow { display: grid; gap: 0; }
.arch-flow li { position: relative; display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.025); color: var(--silver); font-weight: 500; }
.arch-flow li + li { margin-top: 22px; }
.arch-flow li + li::before { content: ''; position: absolute; left: 28px; top: -23px; width: 2px; height: 22px; background: linear-gradient(var(--emerald), var(--cyan)); opacity: 0.6; }
.arch-n { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font-size: 0.78rem; font-weight: 700; background: rgba(46, 230, 166, 0.14); color: var(--emerald); }
.arch figcaption { margin-top: 18px; font-size: 0.82rem; color: var(--dim); }

.prose h2 { margin: 36px 0 12px; font-size: 1.3rem; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--muted); }
.prose ul { display: grid; gap: 8px; margin: 0 0 1em; }
.prose li { position: relative; padding-left: 18px; }
.prose li::before { content: ''; position: absolute; left: 0; top: 0.7em; width: 6px; height: 6px; border-radius: 50%; background: var(--emerald); }
.prose a { color: var(--emerald); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--text); }
.prose .back { margin-top: 40px; }
.prose .back a { text-decoration: none; }
.not-found { min-height: 60vh; display: flex; align-items: center; border-bottom: 0; }

/* ---------- Pie ---------- */
.site-footer { margin-top: clamp(40px, 6vw, 80px); border-top: 1px solid var(--line); background: rgba(255, 255, 255, 0.012); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-block: 56px 36px; }
.footer-brand p { margin-top: 16px; color: var(--muted); font-size: 0.93rem; max-width: 36ch; }
.footer-contact { margin-top: 14px; }
.footer-title { font-size: 0.8rem; color: var(--dim); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; }
.footer-links { display: grid; gap: 4px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; padding: 5px 0; color: var(--muted); font-size: 0.93rem; overflow-wrap: anywhere; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; padding-block: 22px 32px; border-top: 1px solid var(--line); color: var(--dim); font-size: 0.8rem; }
.footer-bottom p { margin: 0; }
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 40; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--grad-btn); color: #03140d; box-shadow: 0 12px 30px -8px rgba(46, 230, 166, 0.55); transition: transform 0.2s; }
.wa-float:hover { color: #03140d; transform: scale(1.06); }
.wa-float.is-hidden { opacity: 0; transform: scale(0.8); pointer-events: none; visibility: hidden; transition: opacity 0.2s, transform 0.2s, visibility 0.2s; }

/* ---------- Precios ---------- */
.price-hero h1 { max-width: 22ch; }
.price-hero h1 .grad { display: inline; }
.price-badge { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; padding: 8px 16px; border-radius: 999px; border: 1px solid rgba(46, 230, 166, 0.28); background: rgba(46, 230, 166, 0.07); color: var(--silver); font-size: 0.9rem; font-weight: 500; }
.price-badge .icon { color: var(--emerald); }
.price-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.price-card {
  grid-column: span 2; display: flex; flex-direction: column; padding: 28px; min-width: 0;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.price-card:nth-child(4) { grid-column: 2 / span 2; }
.price-card:hover { border-color: rgba(46, 230, 166, 0.35); transform: translateY(-3px); box-shadow: 0 22px 50px -30px rgba(46, 230, 166, 0.35); }
.price-card h3 { font-size: 1.2rem; margin-top: 18px; }
.price-text { margin-top: 10px; color: var(--muted); font-size: 0.97rem; }
.price-card.is-featured {
  border-color: rgba(46, 230, 166, 0.3);
  background: radial-gradient(420px 220px at 100% 0%, rgba(46, 230, 166, 0.09), transparent 70%), linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
}
.price-flag { display: inline-flex; align-self: flex-start; align-items: center; gap: 6px; margin-bottom: 16px; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(34, 211, 238, 0.3); background: rgba(34, 211, 238, 0.07); color: var(--cyan); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.price-box { margin-top: 22px; padding: 18px 18px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: rgba(5, 7, 10, 0.45); }
.price-box p { margin: 0; }
.price-main { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; line-height: 1.1; }
.price-from { color: var(--muted); font-size: 0.9rem; font-weight: 500; }
.price-main strong { font-size: clamp(1.9rem, 3vw, 2.3rem); font-weight: 700; letter-spacing: -0.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.price-note { margin-top: 4px !important; color: var(--dim); font-size: 0.82rem; }
.price-monthly { margin-top: 14px !important; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.95rem; }
.price-monthly strong { color: var(--text); font-size: 1.1rem; font-weight: 600; }
.price-card .mini-list { margin-bottom: 24px; }
.price-cta { margin-top: auto; width: 100%; }
.price-note-box { display: flex; gap: 14px; align-items: flex-start; max-width: 820px; margin: 32px auto 0; padding: 18px 22px; border-radius: var(--radius-sm); border: 1px solid rgba(46, 230, 166, 0.28); background: linear-gradient(120deg, rgba(46, 230, 166, 0.08), rgba(34, 211, 238, 0.04)); }
.price-note-box p { margin: 0; color: var(--silver); font-size: 0.97rem; }
.price-note-box strong { color: var(--text); }
.price-note-box .price-note-extra { margin-top: 8px; color: var(--dim); font-size: 0.86rem; }
.price-note-ico { display: inline-flex; color: var(--emerald); margin-top: 2px; }

.calc-card { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(24px, 4vw, 48px); max-width: 1040px; margin-inline: auto; padding: clamp(22px, 3.5vw, 40px); border-radius: 26px; border: 1px solid var(--line-2); background: linear-gradient(180deg, rgba(17, 24, 33, 0.92), rgba(9, 13, 19, 0.92)); box-shadow: var(--shadow); }
.calc-group { border: 0; margin: 0 0 26px; padding: 0; min-width: 0; }
.calc-group:last-child { margin-bottom: 0; }
.calc-group legend { padding: 0; margin-bottom: 14px; }
.calc-hint { margin-top: 14px; color: var(--dim); font-size: 0.85rem; }
.calc-result { display: flex; flex-direction: column; padding: clamp(20px, 3vw, 28px); border-radius: 20px; border: 1px solid rgba(46, 230, 166, 0.25); background: radial-gradient(400px 200px at 100% 0%, rgba(46, 230, 166, 0.1), transparent 70%), rgba(5, 7, 10, 0.5); }
.calc-summary { margin: 0 0 18px; color: var(--emerald); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.04em; }
.calc-figures { display: grid; gap: 16px; }
.calc-figure p { margin: 0; }
.calc-figure + .calc-figure { padding-top: 16px; border-top: 1px solid var(--line); }
.calc-label { color: var(--muted); font-size: 0.88rem; }
.calc-value { margin-top: 2px !important; font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.calc-value small { color: var(--muted); font-size: 0.95rem; font-weight: 500; letter-spacing: 0; }
.is-main .calc-value { font-size: clamp(2.2rem, 4vw, 2.8rem); line-height: 1.1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.calc-sub { color: var(--dim); font-size: 0.82rem; }
.calc-value.is-changing, [data-calc-monthly].is-changing { animation: calcPulse 0.45s ease; }
@keyframes calcPulse { 0% { opacity: 0.55; } 100% { opacity: 1; } }
.calc-cta { margin-top: 24px; width: 100%; }
.calc-disclaimer { display: flex; gap: 8px; align-items: flex-start; margin: 16px 0 0; color: var(--dim); font-size: 0.84rem; }
.calc-disclaimer .icon { color: var(--emerald); margin-top: 3px; }

/* Bloque de precios en la página de inicio */
.price-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.price-tile {
  position: relative; flex: 1 1 200px; max-width: 280px; display: flex; flex-direction: column; padding: 22px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.price-tile:hover { border-color: rgba(46, 230, 166, 0.35); transform: translateY(-3px); box-shadow: 0 22px 50px -30px rgba(46, 230, 166, 0.35); }
.price-tile.is-featured { border-color: rgba(46, 230, 166, 0.3); background: radial-gradient(300px 160px at 100% 0%, rgba(46, 230, 166, 0.09), transparent 70%), linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)); }
.price-tile .sol-icon { width: 42px; height: 42px; }
.price-tile h3 { margin-top: 14px; font-size: 1rem; line-height: 1.3; }
.price-tile h3 a:hover { color: inherit; }
.price-tile-flag { position: absolute; top: 14px; right: 14px; padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(34, 211, 238, 0.3); background: rgba(34, 211, 238, 0.07); color: var(--cyan); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.price-tile-main { margin: auto 0 0; padding-top: 16px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; line-height: 1.1; }
.price-tile-main span { color: var(--muted); font-size: 0.82rem; }
.price-tile-main strong { font-size: 1.55rem; font-weight: 700; letter-spacing: -0.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.price-tile-monthly { margin: 6px 0 0; color: var(--muted); font-size: 0.88rem; line-height: 1.35; }
.price-tile-monthly span { display: block; font-size: 0.8rem; }
.price-quote-only { display: flex; justify-content: center; align-items: center; gap: 8px; margin: 18px 0 0; color: var(--muted); font-size: 0.92rem; text-align: center; }
.price-quote-only .icon { color: var(--cyan); }
.price-quote-only a { color: var(--emerald); }
.price-strip-foot { margin-top: 32px; text-align: center; }
.price-strip-foot .cta-actions { margin-top: 0; }
.price-strip-foot .fine-print { max-width: 640px; margin-inline: auto; }

@media (max-width: 960px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card, .price-card:nth-child(4) { grid-column: auto; }
  .price-card:last-child { grid-column: 1 / -1; justify-self: center; width: calc(50% - 9px); }
  .calc-card { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .price-grid { grid-template-columns: 1fr; }
  .price-card:last-child { width: 100%; }
  .price-card { padding: 24px; }
  .price-badge { border-radius: 14px; }
  .price-note-box { padding: 16px; gap: 12px; }
  .price-strip { flex-direction: column; gap: 10px; }
  .price-tile {
    flex: none; max-width: none; display: grid; grid-template-columns: auto 1fr; grid-template-areas: 'ico name' 'ico price' 'ico monthly';
    align-items: center; column-gap: 14px; row-gap: 4px; padding: 16px;
  }
  .price-tile:hover { transform: none; }
  .price-tile .sol-icon { grid-area: ico; width: 40px; height: 40px; }
  .price-tile h3 { grid-area: name; margin: 0; font-size: 0.95rem; }
  .price-tile-main { grid-area: price; margin: 0; padding: 0; }
  .price-tile-main { gap: 4px; }
  .price-tile-main span { font-size: 0.72rem; }
  .price-tile-main strong { font-size: 1.25rem; }
  .price-tile-monthly { grid-area: monthly; margin: 0; font-size: 0.8rem; }
  .price-tile-monthly span { display: inline; font-size: inherit; }
  .price-tile-flag { top: -9px; right: 12px; background: var(--bg); }
  .price-strip-foot { text-align: left; }
}

/* ---------- Animaciones de aparición ---------- */
.reveal-pending { opacity: 0; transform: translateY(18px); }
.reveal-in { opacity: 1; transform: none; transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .product-stage { grid-template-columns: 1fr 1fr; }
  .product-copy { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .sol-grid, .reason-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .chat-demo, .social-demo, .diag-grid, .case-feature, .case-detail-grid, .page-hero-grid, .two-col { grid-template-columns: 1fr; }
  .case-media { position: static; }
  .founder-grid { grid-template-columns: 1fr; }
  .founder-photo { position: relative; top: 0; max-width: 560px; }
  .cap-list { grid-template-columns: 1fr; }
  .cta-band, .related-case { flex-direction: column; align-items: flex-start; }
  .cta-band .cta-actions { justify-content: flex-start; }
}
@media (max-width: 640px) {
  :root { --section: 56px; }
  .section-head { margin-bottom: 28px; }
  .section-head h2, .founder-copy h2 { font-size: 1.7rem; }
  .section-lead { margin-top: 12px; font-size: 1rem; }
  .sol-grid, .steps, .reason-grid, .reason-grid-3, .case-grid { grid-template-columns: 1fr; gap: 12px; }
  .sol-card { padding: 18px; }
  .sol-card:hover, .case-card:hover { transform: none; }
  .sol-icon { width: 42px; height: 42px; }
  /* Tarjetas de confianza y pasos: icono o número a la izquierda, más compactas. */
  .reason { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; padding: 16px; }
  .reason-ico { grid-row: span 2; width: 40px; height: 40px; }
  .reason h3 { margin-top: 0; font-size: 1rem; }
  .reason p { margin-top: 4px; font-size: 0.92rem; }
  .step { display: grid; grid-template-columns: auto 1fr; column-gap: 14px; padding: 16px; }
  .step-n { grid-row: span 2; font-size: 1.7rem; }
  .step h3 { margin-top: 0; }
  .step p { margin-top: 4px; font-size: 0.92rem; }
  .case-feature { padding: 16px; }
  .case-card { padding: 18px; }
  .case-thumb { margin: -18px -18px 14px; }
  .founder-photo { max-width: 340px; }
  .founder-intro { font-size: 1rem; }
  .founder-facts { grid-template-columns: 1fr; gap: 8px; }
  .founder-facts li { padding: 10px 12px; }
  .founder-quote { padding: 16px; }
  .founder-quote p { font-size: 1rem; }
  .faq-item summary { padding: 14px 16px; }
  .faq-body { padding: 0 16px 16px; }
  .final-cta { padding: 32px 18px; }
  .final-mark { width: 64px; height: 64px; }
  .price-quote-only { justify-content: flex-start; text-align: left; }
  /* "Lo que pasa detrás" plegable en el celular. */
  .chat-behind { padding: 14px 16px; }
  .chat-behind summary { margin-bottom: 0; cursor: pointer; }
  .chat-behind[open] summary { margin-bottom: 12px; }
  .behind-toggle { display: block; position: relative; width: 14px; height: 14px; }
  .behind-toggle::before, .behind-toggle::after { content: ''; position: absolute; left: 0; top: 6px; width: 14px; height: 2px; border-radius: 2px; background: var(--emerald); transition: transform 0.25s; }
  .behind-toggle::after { transform: rotate(90deg); }
  .chat-behind[open] .behind-toggle::after { transform: rotate(0); }
  .demo-badge { margin-bottom: 12px; font-size: 0.76rem; }
  .founder-photo::before { inset: -8px -8px 8px 8px; }
  .diagram-link { overflow-x: auto; }
  .diagram-link img { width: auto; max-width: none; height: 300px; }
  .field-row { grid-template-columns: 1fr; }
  .product-stage { grid-template-columns: 1fr 1fr; gap: 10px; }
  .footer-grid { gap: 24px 20px; padding-block: 40px 28px; }
  .footer-bottom { padding-block: 18px 84px; }
  .chat-window { min-height: 0; }
  .chat-log { min-height: 220px; max-height: 300px; padding: 14px; }
  .chat-suggest { padding: 0 14px 10px; }
  .chat-hint { padding: 0 14px 6px; }
  .demo-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 6px; }
  .demo-tabs button { flex-direction: column; gap: 4px; min-height: 64px; padding: 8px 4px; border-radius: 12px; font-size: 0.78rem; line-height: 1.2; }
  .demo-panel { padding: 16px 12px 20px; }
  .chat-head { padding: 12px 14px; }
  .cta-actions .btn, .diag-send .btn { width: 100%; }
  .case-feature-media { padding-right: 32px; padding-bottom: 32px; }
  .section-head { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .flow-steps li { opacity: 1; }
  .reveal-pending { opacity: 1; transform: none; }
}
@media print {
  .site-header, .wa-float, .demo-shell, .diag-card { display: none; }
  body { background: #fff; color: #000; }
}