:root {
  --noche: #0b1020;
  --indigo: #1f2a5c;
  --azul: #4f7cff;
  --cian: #2ee6c9;
  --llama: #ff6a3d;
  --llama-hover: #ff5a26;
  --niebla: #eef1f8;
  --blanco: #ffffff;
  --gris: #616970;
  --gris-claro: #aeb8d6;
  --linea: #d7dadc;
  --linea-oscura: #232a44;
  --max: 1200px;
  --font-marca: "Manrope", system-ui, sans-serif;
  --font-texto: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--niebla);
  color: var(--noche);
  font-family: var(--font-texto);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-texto); font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; margin: 0; }
h1 { font-size: clamp(40px, 6vw, 72px); }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: 22px; letter-spacing: -0.02em; line-height: 1.25; }
p { margin: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--gris); }
.lead { font-size: 20px; color: var(--gris); max-width: 680px; }
.section { padding: 112px 0; }
.section-head { display: grid; gap: 20px; margin-bottom: 56px; }
.section-head .rule { height: 1px; background: var(--linea); }
.section-head .title-row { display: flex; gap: 28px; align-items: baseline; }
.section-head .num { font-size: clamp(30px, 4vw, 48px); color: var(--gris); font-weight: 400; letter-spacing: -0.03em; }

/* Marca */
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 30px; height: 32px; }
.brand span { font-family: var(--font-marca); font-weight: 600; font-size: 26px; letter-spacing: -0.03em; line-height: 1; }

/* Cabecera */
.header { position: sticky; top: 0; z-index: 20; background: rgba(238, 241, 248, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a:not(.btn) { text-decoration: none; font-size: 15px; font-weight: 500; color: var(--indigo); padding: 6px 0; }
.nav a:not(.btn):hover { color: var(--noche); }
.header.dark .nav a:not(.btn) { color: var(--gris-claro); }
.header.dark .nav a:not(.btn):hover { color: var(--blanco); }
.nav-toggle { display: none; background: none; border: 1px solid var(--linea-oscura); color: var(--niebla); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle svg { width: 20px; height: 20px; }
.header.dark { background: rgba(11, 16, 32, 0.92); border-bottom-color: var(--linea-oscura); color: var(--niebla); }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border-radius: 10px; font: 600 16px var(--font-texto); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, transform .15s; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--llama); color: var(--noche); }
.btn-primary:hover { background: var(--llama-hover); }
.btn-ghost { border-color: var(--linea); color: var(--noche); background: transparent; }
.btn-ghost:hover { border-color: var(--noche); }
.dark .btn-ghost { border-color: var(--linea-oscura); color: var(--niebla); }
.dark .btn-ghost:hover { border-color: var(--niebla); }
.btn-sm { padding: 10px 18px; font-size: 15px; }

/* Bloques oscuros */
.dark { background: var(--noche); color: var(--niebla); }
.dark .lead, .dark .muted { color: var(--gris-claro); }
.dark .mono { color: var(--gris-claro); }
.dark .section-head .rule { background: var(--linea-oscura); }
.dark .section-head .num { color: var(--gris-claro); }

/* Hero */
.hero { padding: 96px 0 104px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }
.hero h1 em { font-style: normal; color: var(--llama); }
.hero .lead { margin: 28px 0 40px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: 14px; color: var(--gris); }
.dark .hero-note { color: var(--gris-claro); }

/* Tarjeta de informe */
.report { background: var(--blanco); color: var(--noche); border-radius: 18px; padding: 28px; border: 1px solid var(--linea); }
.dark .report { background: #121a33; color: var(--niebla); border-color: var(--linea-oscura); }
.report-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.score { display: flex; align-items: baseline; gap: 6px; }
.score b { font-size: 56px; font-weight: 600; letter-spacing: -0.04em; line-height: 1; }
.score span { color: var(--gris); }
.dark .score span { color: var(--gris-claro); }
.bar { height: 8px; border-radius: 4px; background: var(--linea); overflow: hidden; margin-bottom: 22px; }
.dark .bar { background: var(--linea-oscura); }
.bar i { display: block; height: 100%; width: 58%; background: var(--llama); }
.finding { display: grid; grid-template-columns: 12px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--linea); font-size: 15px; }
.dark .finding { border-top-color: var(--linea-oscura); }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.alta { background: #ff4d4d; }
.dot.media { background: #ffb020; }
.dot.ok { background: var(--cian); }
.tag { font-family: var(--font-mono); font-size: 12px; color: var(--gris); }
.dark .tag { color: var(--gris-claro); }
.report-foot { margin-top: 18px; font-size: 13px; color: var(--gris); }
.dark .report-foot { color: var(--gris-claro); }

/* Rejillas */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card { background: var(--blanco); border: 1px solid var(--linea); border-radius: 16px; padding: 32px; display: grid; gap: 14px; align-content: start; }
.dark .card { background: #121a33; border-color: var(--linea-oscura); }
.card p { color: var(--gris); }
.dark .card p { color: var(--gris-claro); }
.card ul { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 15px; }
.card li { padding-left: 22px; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 2px; background: var(--llama); }
.icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(255, 106, 61, 0.12); display: grid; place-items: center; color: var(--llama); }
.icon svg { width: 22px; height: 22px; }

/* Pasos */
.steps { counter-reset: paso; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--linea); }
.dark .steps { border-top-color: var(--linea-oscura); }
.step { padding: 32px 32px 8px 0; display: grid; gap: 12px; }
.step + .step { padding-left: 32px; border-left: 1px solid var(--linea); }
.dark .step + .step { border-left-color: var(--linea-oscura); }
.step .mono { color: var(--llama); }

/* IA + personas */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.split .card h3 { display: flex; align-items: center; gap: 10px; }
.pill { display: inline-block; font-family: var(--font-mono); font-size: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(46, 230, 201, 0.14); color: #0d8f7c; }
.dark .pill { color: var(--cian); }
.pill.humano { background: rgba(255, 106, 61, 0.14); color: #c2431b; }
.dark .pill.humano { color: var(--llama); }

/* Planes */
.plan { position: relative; }
.plan .precio { font-size: 40px; font-weight: 600; letter-spacing: -0.03em; }
.plan .precio small { font-size: 15px; font-weight: 400; color: var(--gris); letter-spacing: 0; }
.plan.destacado { border: 2px solid var(--llama); }
.plan .badge { position: absolute; top: -13px; left: 32px; background: var(--llama); color: var(--noche); font: 600 12px var(--font-mono); padding: 4px 10px; border-radius: 6px; text-transform: uppercase; letter-spacing: 0.04em; }

/* Historia */
.timeline { display: grid; gap: 0; border-left: 1px solid var(--linea); margin-left: 6px; }
.timeline div { position: relative; padding: 0 0 32px 32px; }
.timeline div::before { content: ""; position: absolute; left: -6px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--niebla); border: 2px solid var(--llama); }
.timeline div:last-child::before { background: var(--llama); }
.quote { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.4; letter-spacing: -0.02em; font-weight: 500; }
.quote em { font-style: normal; color: var(--llama); }

/* Partners */
.partners { display: flex; flex-wrap: wrap; gap: 12px 40px; align-items: center; font-family: var(--font-marca); font-weight: 600; font-size: 20px; color: var(--gris); }

/* CTA final */
.cta-band { border-radius: 24px; padding: 64px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 500px); gap: 56px; align-items: center; }

/* Formulario */
.form { display: grid; gap: 16px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 500; }
.field input, .field textarea { width: 100%; font: 16px var(--font-texto); padding: 13px 14px; border-radius: 10px; border: 1px solid var(--linea); background: var(--blanco); color: var(--noche); }
.dark .field input, .dark .field textarea { background: #121a33; border-color: var(--linea-oscura); color: var(--niebla); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--llama); box-shadow: 0 0 0 3px rgba(255, 106, 61, 0.2); }
.check { display: grid; grid-template-columns: 20px 1fr; gap: 10px; font-size: 14px; color: var(--gris); align-items: start; }
.dark .check { color: var(--gris-claro); }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--llama); }
.hp { position: absolute; left: -9999px; }
.form-msg { font-size: 15px; min-height: 22px; }
.form-msg.error { color: #ff4d4d; }
.form-msg.ok { color: #0d8f7c; }
.dark .form-msg.ok { color: var(--cian); }

/* FAQ */
.faq { display: grid; border-top: 1px solid var(--linea); }
.faq details { border-bottom: 1px solid var(--linea); padding: 22px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--llama); font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin-top: 12px; color: var(--gris); max-width: 760px; }

/* Lista de controles */
.checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--linea); }
.checks div { padding: 24px 24px 24px 0; border-bottom: 1px solid var(--linea); display: grid; gap: 6px; }
.checks div p { color: var(--gris); font-size: 15px; }

/* Pie */
.footer { padding: 56px 0 40px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid var(--linea-oscura); }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; font-size: 15px; }
.footer-cols div { display: grid; gap: 8px; align-content: start; }
.footer-cols a { text-decoration: none; color: var(--gris-claro); }
.footer-cols a:hover { color: var(--niebla); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; }

/* Texto legal */
.legal { max-width: 760px; display: grid; gap: 20px; }
.legal h2 { font-size: 24px; margin-top: 16px; }
.legal p, .legal li { color: var(--indigo); }

@media (max-width: 960px) {
  .hero-grid, .split, .grid-2, .cta-band { grid-template-columns: 1fr; }
  .grid-3, .checks { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step + .step { padding-left: 0; border-left: 0; border-top: 1px solid var(--linea); }
  .dark .step + .step { border-top-color: var(--linea-oscura); }
  .nav-toggle { display: inline-flex; }
  .header .nav { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px 24px 24px; background: var(--noche); border-bottom: 1px solid var(--linea-oscura); display: none; }
  .header.open .nav { display: flex; }
  .header .nav a:not(.btn) { padding: 12px 0; font-size: 17px; border-bottom: 1px solid var(--linea-oscura); }
  .header .nav .btn { margin-top: 12px; }
  .header .nav.single { position: static; display: flex; flex-direction: row; padding: 0; background: none; border: 0; }
  .section { padding: 80px 0; }
  .cta-band { padding: 40px 28px; }
  .form .row { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .brand span { font-size: 22px; }
  .hero { padding: 64px 0 72px; }
  .card { padding: 24px; }
}