:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-deep: #1e3a8a;
  --blue-soft: #eff6ff;
  --sky: #93c5fd;
  --navy: #0b1530;
  --navy-2: #111d3d;
  --blue-accent: #2563eb;
  --blue-accent-soft: #eff6ff;
  --amber: #f59e0b;
  --amber-soft: #fffbeb;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  --error: #d97706;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
body.locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
section[id] { scroll-margin-top: 76px; }

/* ---------- Marca ---------- */
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 38px; height: 38px; border-radius: 11px; background: var(--blue); color: #fff; font-weight: 900; font-size: 1.25rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 14px rgba(37,99,235,.25); }
.brand-name { font-weight: 900; font-size: 1.45rem; letter-spacing: -0.03em; color: var(--blue); }

/* ---------- Navegación ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 12px; font-weight: 700; font-size: .95rem; border: 0; cursor: pointer; transition: background .2s, transform .2s, box-shadow .2s, border-color .2s, opacity .2s; white-space: nowrap; }
.btn:disabled { opacity: .6; cursor: default; transform: none !important; box-shadow: none !important; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 12px 24px rgba(37,99,235,.25); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: #cbd5e1; background: var(--bg); }
.btn-light { background: #fff; color: var(--blue-deep); }
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 12px 24px rgba(0,0,0,.25); }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-sm { padding: 9px 16px; font-size: .88rem; border-radius: 10px; }
.btn-block { width: 100%; }

/* ---------- Etiquetas ---------- */
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); background: var(--blue-soft); padding: 6px 12px; border-radius: 999px; }
.eyebrow.dark { color: #bfdbfe; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: .7rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.pill.ev { background: var(--blue-soft); color: var(--blue); }
.pill.pr { background: var(--blue-accent-soft); color: #1d4ed8; }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; background: linear-gradient(100deg, rgba(11,21,48,.96) 0%, rgba(11,21,48,.82) 45%, rgba(11,21,48,.45) 100%), url('i1.jpg') center/cover no-repeat; padding: 104px 0 96px; overflow: hidden; }
.hero::after { content: ''; position: absolute; inset: auto 0 0 0; height: 120px; background: linear-gradient(to bottom, transparent, rgba(11,21,48,.6)); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); font-weight: 900; line-height: 1.02; letter-spacing: -0.045em; margin: 20px 0 20px; }
.hero h1 span { background: linear-gradient(90deg, #93c5fd, #dbeafe); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 1.14rem; color: rgba(255,255,255,.84); max-width: 580px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 26px; font-size: .85rem; color: rgba(255,255,255,.66); display: flex; align-items: center; gap: 8px; }

/* Tarjeta del Test IQ (solo audio) */
.iq-card { background: rgba(15,23,42,.72); border: 1px solid rgba(255,255,255,.12); border-radius: 26px; padding: 26px; backdrop-filter: blur(14px); box-shadow: 0 40px 80px rgba(2,6,23,.5); }
.iq-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: #93c5fd; }
.iq-top .live { display: inline-flex; align-items: center; gap: 6px; color: #93c5fd; }
.iq-top .live i { width: 8px; height: 8px; border-radius: 50%; background: #60a5fa; box-shadow: 0 0 0 4px rgba(96,165,250,.2); animation: pulse 1.6s infinite; }
.iq-stage { margin: 26px 0 22px; height: 150px; border-radius: 20px; background: radial-gradient(circle at 50% 50%, rgba(37,99,235,.35), rgba(15,23,42,0) 70%); display: flex; align-items: center; justify-content: center; gap: 5px; }
.iq-stage span { width: 6px; border-radius: 9px; background: linear-gradient(to top, #2563eb, #93c5fd); animation: wave 1.2s ease-in-out infinite; }
.iq-msg { text-align: center; font-size: 1.02rem; font-weight: 700; color: #fff; }
.iq-sub { text-align: center; font-size: .84rem; color: rgba(255,255,255,.6); margin-top: 4px; }
.iq-foot { margin-top: 22px; display: flex; align-items: center; gap: 14px; }
.iq-foot .mic { width: 52px; height: 52px; border-radius: 50%; background: #fff; color: var(--blue-deep); display: flex; align-items: center; justify-content: center; flex-shrink: 0; box-shadow: 0 0 0 8px rgba(255,255,255,.08); }
.iq-foot .t { font-size: .82rem; color: rgba(255,255,255,.7); }
.iq-foot .t b { color: #fff; display: block; font-size: .95rem; }
.iq-foot .sec { margin-left: auto; font-size: 1.6rem; font-weight: 900; color: #fff; font-variant-numeric: tabular-nums; }
@keyframes wave { 0%, 100% { height: 14%; } 50% { height: 78%; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* Cifras */
.stats { position: relative; z-index: 1; margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.14); }
.stat { padding: 22px 16px 0; }
.stat b { display: block; font-size: 2rem; font-weight: 900; letter-spacing: -0.03em; color: #fff; line-height: 1.1; }
.stat span { font-size: .84rem; color: rgba(255,255,255,.62); }

/* ---------- Secciones ---------- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg); }
.section-dark { background: var(--navy); color: rgba(255,255,255,.78); }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); font-weight: 900; letter-spacing: -0.035em; line-height: 1.1; color: var(--ink); margin: 16px 0 14px; }
.section-dark .section-head h2 { color: #fff; }
.section-head p { font-size: 1.06rem; color: var(--muted); }
.section-dark .section-head p { color: rgba(255,255,255,.66); }
.icon { width: 44px; height: 44px; border-radius: 12px; background: var(--blue-soft); color: var(--blue); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* Problema */
.why { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.why h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); font-weight: 900; letter-spacing: -0.035em; line-height: 1.1; color: var(--ink); margin: 16px 0 16px; }
.why > div > p { font-size: 1.06rem; color: var(--muted); }
.why-list { display: grid; gap: 14px; }
.why-item { display: flex; gap: 16px; padding: 20px 22px; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
.why-item h3 { font-size: 1.02rem; font-weight: 800; color: var(--ink); }
.why-item p { font-size: .92rem; color: var(--muted); margin-top: 2px; }

/* Base científica */
.groups { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 44px; }
.group { border-radius: 22px; padding: 28px; border: 1px solid rgba(255,255,255,.1); background: var(--navy-2); }
.group h3 { font-size: 1.3rem; font-weight: 900; color: #fff; margin: 12px 0 6px; letter-spacing: -0.02em; }
.group > p { font-size: .93rem; color: rgba(255,255,255,.62); margin-bottom: 18px; }
.concepts { display: grid; gap: 10px; }
.concept { display: flex; gap: 14px; align-items: flex-start; padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); }
.concept b { color: #fff; font-size: .98rem; display: block; }
.concept span { font-size: .86rem; color: rgba(255,255,255,.6); }
.concept em { font-style: normal; color: #93c5fd; font-weight: 600; }
.group.pr .concept em { color: #93c5fd; }
.concept .n { width: 30px; height: 30px; border-radius: 9px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: rgba(37,99,235,.25); color: #bfdbfe; }
.group.pr .concept .n { background: rgba(59,130,246,.2); color: #bfdbfe; }

/* Los 10 dominios */
.domains-wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 22px; align-items: start; }
.domains { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.domain { text-align: left; cursor: pointer; display: flex; gap: 12px; align-items: center; padding: 14px 16px; border-radius: 14px; background: #fff; border: 1px solid var(--line); color: var(--ink); font-size: .92rem; font-weight: 700; transition: background .2s, border-color .2s, box-shadow .2s; }
.domain:hover { border-color: var(--blue); box-shadow: 0 4px 14px rgba(37,99,235,.1); }
.domain.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.domain .num { width: 30px; height: 30px; border-radius: 50%; background: var(--bg); color: var(--muted); display: flex; align-items: center; justify-content: center; font-size: .82rem; font-weight: 900; flex-shrink: 0; }
.domain.on .num { background: #fff; color: var(--blue); }
.domain-detail { border-radius: 22px; padding: 28px; background: #fff; color: var(--text); border: 1px solid var(--line); box-shadow: 0 16px 36px rgba(15,23,42,.06); position: sticky; top: 96px; }
.domain-detail .k { font-size: .74rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.domain-detail h3 { font-size: 1.5rem; font-weight: 900; color: var(--ink); letter-spacing: -0.02em; line-height: 1.15; margin: 8px 0 14px; }
.domain-detail blockquote { font-size: 1.05rem; font-weight: 700; color: var(--ink); border-left: 3px solid var(--blue); padding-left: 14px; margin: 16px 0; }
.domain-detail dl { display: grid; gap: 10px; font-size: .9rem; margin-top: 16px; }
.domain-detail dt { font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.domain-detail dd { color: var(--ink); font-weight: 600; }

/* Ciclo semanal */
.cycle { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.day { border-radius: 24px; border: 1px solid var(--line); background: #fff; overflow: hidden; display: flex; flex-direction: column; }
.day-visual { height: 190px; position: relative; display: flex; align-items: center; justify-content: center; }
.day-visual.podcast { background: linear-gradient(135deg, #0b1530, #1e3a8a); }
.day-visual.story { background: url('i1.jpg') center/cover; }
.day-visual.story::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,23,42,.85), rgba(15,23,42,.1)); }
.day-visual.iq { background: #020617; }
.day-body { padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.day-body .k { font-size: .74rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.day-body h3 { font-size: 1.3rem; font-weight: 900; color: var(--ink); letter-spacing: -0.02em; }
.day-body p { font-size: .93rem; color: var(--muted); }
.day-body ul { list-style: none; display: grid; gap: 7px; margin-top: 8px; }
.day-body li { display: flex; gap: 9px; font-size: .88rem; color: var(--text); }
.day-body li svg { color: var(--blue-accent); flex-shrink: 0; margin-top: 3px; }
.hosts { display: flex; align-items: center; gap: 14px; color: #fff; }
.hosts .av { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; border: 3px solid rgba(255,255,255,.2); }
.hosts .bars { display: flex; gap: 3px; align-items: center; height: 36px; }
.hosts .bars i { width: 4px; border-radius: 4px; background: #93c5fd; animation: wave 1.1s ease-in-out infinite; }
.story-chart { position: relative; z-index: 1; width: 78%; display: grid; gap: 7px; }
.story-chart div { display: flex; align-items: center; gap: 8px; font-size: .68rem; color: rgba(255,255,255,.8); font-weight: 700; }
.story-chart div b { height: 12px; border-radius: 6px; background: #60a5fa; display: block; }
.iq-dark { text-align: center; color: rgba(255,255,255,.75); font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.iq-dark .ring { width: 70px; height: 70px; border-radius: 50%; border: 3px solid rgba(147,197,253,.25); border-top-color: #93c5fd; margin: 0 auto 12px; animation: spin 2.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.evidence { margin-top: 18px; border-radius: 24px; padding: 28px 30px; background: linear-gradient(120deg, var(--blue-deep), var(--blue)); color: #fff; display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; }
.evidence .icon { width: 56px; height: 56px; border-radius: 16px; background: rgba(255,255,255,.14); color: #fff; }
.evidence h3 { font-size: 1.2rem; font-weight: 900; }
.evidence p { font-size: .93rem; color: rgba(255,255,255,.8); }
.flow { display: flex; gap: 8px; flex-wrap: wrap; }
.flow span { font-size: .78rem; font-weight: 800; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.12); }

/* Beneficios */
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.products .benefit .price { margin-top: auto; padding-top: 22px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.products .benefit .price b { font-size: 1.6rem; font-weight: 900; letter-spacing: -0.02em; }
.products .benefit .price small { display: block; font-size: .78rem; opacity: .7; }
.tagline { text-align: center; margin-top: 26px; font-weight: 800; color: var(--ink); }
.benefit { border-radius: 24px; padding: 30px; border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; }
.benefit.featured { background: linear-gradient(160deg, var(--blue) 0%, var(--blue-deep) 100%); color: #fff; border: 0; box-shadow: 0 30px 60px rgba(37,99,235,.25); }
.benefit .tag { font-size: .74rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
.benefit.featured .tag { color: #bfdbfe; }
.benefit h3 { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.02em; color: var(--ink); margin: 8px 0 18px; line-height: 1.2; }
.benefit.featured h3 { color: #fff; }
.checks { list-style: none; display: grid; gap: 12px; }
.checks li { display: flex; gap: 10px; font-size: .93rem; }
.checks svg { color: var(--blue); flex-shrink: 0; margin-top: 3px; }
.benefit.featured .checks svg { color: #93c5fd; }

/* Originales */
.originals { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.originals h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); font-weight: 900; letter-spacing: -0.035em; line-height: 1.1; color: #fff; margin: 16px 0 14px; }
.originals > div > p { color: rgba(255,255,255,.7); }
.orig-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.orig { border-radius: 18px; padding: 20px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(8px); transition: background .2s, border-color .2s; }
.orig:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); }
.orig .icon { background: rgba(37,99,235,.25); color: #93c5fd; }
.orig h4 { font-size: .98rem; color: #fff; margin: 12px 0 2px; }
.orig p { font-size: .86rem; color: rgba(255,255,255,.62); }
.orig .badge { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: #93c5fd; margin-top: 6px; display: inline-block; }

/* Preguntas */
.faq-wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 56px; align-items: start; }
.faq-intro { position: sticky; top: 100px; }
.faq-intro h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); font-weight: 900; letter-spacing: -0.035em; line-height: 1.1; color: var(--ink); margin: 16px 0 12px; }
.faq-intro > p { color: var(--muted); font-size: 1.02rem; }
.faq { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 6px 26px; box-shadow: 0 24px 50px rgba(15,23,42,.05); }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq details:last-child { border-bottom: 0; }
.faq summary { cursor: pointer; font-weight: 800; font-size: 1.02rem; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; transition: color .2s; }
.faq summary:hover { color: var(--blue); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 1.15rem; font-weight: 600; display: flex; align-items: center; justify-content: center; }
.faq details[open] summary::after { content: '–'; background: var(--blue); color: #fff; }
.faq .answer { margin-top: 12px; display: grid; gap: 10px; color: var(--text); font-size: .95rem; }
.faq .answer strong { color: var(--ink); }

/* CTA */
.cta { border-radius: 28px; padding: 56px; color: #fff; background: linear-gradient(120deg, rgba(11,21,48,.95), rgba(30,58,138,.88)), url('i1.jpg') center/cover; display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; max-width: 620px; }
.cta p { color: rgba(255,255,255,.8); margin-top: 10px; max-width: 560px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Contacto */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); font-weight: 900; letter-spacing: -0.035em; color: var(--ink); line-height: 1.1; margin: 16px 0 14px; }
.contact-info > p { color: var(--muted); margin-bottom: 26px; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 32px; box-shadow: 0 30px 60px rgba(15,23,42,.06); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 6px; align-content: start; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .8rem; font-weight: 700; color: var(--text); }
.field input, .field select, .field textarea { font-family: inherit; font-size: .95rem; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: #fff; outline: none; transition: border-color .2s, box-shadow .2s; width: 100%; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
.field input.bad, .field select.bad { border-color: var(--error); }
.field textarea { min-height: 110px; resize: vertical; }
.form-error { display: none; grid-column: 1 / -1; font-size: .85rem; font-weight: 600; color: var(--error); background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: 10px 12px; }
.form-foot { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-top: 4px; }
.form-foot small { color: var(--muted); font-size: .8rem; max-width: 300px; }
.success { display: none; text-align: center; padding: 30px 10px; }
.success .icon { margin: 0 auto 16px; width: 56px; height: 56px; border-radius: 50%; }
.success h3 { font-size: 1.3rem; font-weight: 900; color: var(--ink); }
.success p { color: var(--muted); margin-top: 6px; }

/* ---------- Modales ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(2,6,23,.6); backdrop-filter: blur(6px); }
.modal.open { display: flex; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.sheet { width: 100%; max-width: 980px; max-height: calc(100vh - 40px); overflow: auto; background: #fff; border-radius: 26px; display: grid; grid-template-columns: 340px minmax(0, 1fr); box-shadow: 0 40px 100px rgba(2,6,23,.5); position: relative; }
.sheet.small { max-width: 900px; }
.sheet-side { background: linear-gradient(160deg, rgba(11,21,48,.94), rgba(30,58,138,.9)), url('i1.jpg') center/cover; color: #fff; padding: 34px 30px; display: flex; flex-direction: column; gap: 18px; }
.sheet-side h3 { font-size: 1.6rem; font-weight: 900; letter-spacing: -0.03em; line-height: 1.15; }
.sheet-side p { color: rgba(255,255,255,.75); font-size: .92rem; }
.sheet-side .brand-name { color: #fff; }
.sheet-side .brand-mark { background: #fff; color: var(--blue); box-shadow: none; }
.progress { display: grid; gap: 12px; margin-top: 8px; }
.progress div { display: flex; align-items: center; gap: 12px; font-size: .9rem; font-weight: 700; color: rgba(255,255,255,.55); }
.progress div b { width: 28px; height: 28px; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); display: flex; align-items: center; justify-content: center; font-size: .8rem; }
.progress div.on { color: #fff; }
.progress div.on b { background: #fff; color: var(--blue-deep); border-color: #fff; }
.progress div.done { color: rgba(255,255,255,.85); }
.progress div.done b { background: var(--blue-accent); border-color: var(--blue-accent); color: #fff; }
.demo-tag { margin-top: auto; font-size: .78rem; color: rgba(255,255,255,.65); display: flex; gap: 8px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.08); }
.sheet-main { padding: 36px 36px 30px; display: flex; flex-direction: column; min-width: 0; }
.sheet-main h4 { font-size: 1.35rem; font-weight: 900; color: var(--ink); letter-spacing: -0.02em; }
.sheet-main .sub { color: var(--muted); font-size: .92rem; margin: 4px 0 22px; }
.sheet-main .step h4 { font-size: .98rem; font-weight: 800; letter-spacing: 0; }
.sheet-close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--bg); color: var(--ink); cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 2; }
.sheet-close:hover { background: var(--line); }
.sheet-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); }
.reg-step { display: none; }
.reg-step.on { display: block; animation: fade .25s ease; }
.opt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.opt { cursor: pointer; border: 1px solid var(--line); border-radius: 14px; padding: 14px; text-align: left; background: #fff; transition: border-color .2s, box-shadow .2s; }
.opt:hover { border-color: #cbd5e1; }
.opt.on { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.14); }
.opt b { display: block; font-size: 1.05rem; color: var(--ink); }
.opt span { font-size: .8rem; color: var(--muted); }
.pos-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pos-chip { cursor: pointer; padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: .84rem; font-weight: 700; color: var(--text); }
.pos-chip.on { background: var(--blue); color: #fff; border-color: var(--blue); }
.check-row { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--text); cursor: pointer; }
.check-row input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--blue); flex-shrink: 0; }
.summary { border-radius: 16px; background: var(--bg); border: 1px solid var(--line); padding: 18px 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; font-size: .9rem; }
.summary dt { font-size: .7rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.summary dd { color: var(--ink); font-weight: 700; overflow-wrap: anywhere; }
.next-steps { display: grid; gap: 12px; margin-top: 18px; }
.done-hero { text-align: center; padding: 6px 0 4px; }
.done-hero .icon { width: 64px; height: 64px; border-radius: 50%; background: var(--blue-accent-soft); color: var(--blue-accent); margin: 0 auto 14px; }

.demo-users { display: grid; gap: 8px; margin-top: 6px; }
.demo-user { cursor: pointer; display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: #fff; text-align: left; transition: border-color .2s, background .2s; }
.demo-user:hover { border-color: var(--blue); background: var(--blue-soft); }
.demo-user .av { width: 38px; height: 38px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 900; font-size: .85rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.demo-user .av.p { background: var(--blue-accent); }
.demo-user b { display: block; font-size: .92rem; color: var(--ink); }
.demo-user span { font-size: .8rem; color: var(--muted); }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; margin: 22px 0 12px; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.pw-wrap { position: relative; }
.pw-wrap button { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); border: 0; background: none; color: var(--muted); font-size: .78rem; font-weight: 700; cursor: pointer; padding: 6px; }
.link-btn { border: 0; background: none; color: var(--blue); font-weight: 700; font-size: .85rem; cursor: pointer; padding: 0; }
.loading-bar { height: 6px; border-radius: 6px; background: var(--line); overflow: hidden; margin: 18px 0 6px; }
.loading-bar b { display: block; height: 100%; width: 0; background: var(--blue); border-radius: 6px; transition: width 1.2s ease; }
.session-card { border-radius: 18px; border: 1px solid var(--line); padding: 20px; display: grid; gap: 10px; }
.session-card .pill { justify-self: start; }
.session-card .row { display: flex; justify-content: space-between; gap: 12px; font-size: .9rem; padding-top: 10px; border-top: 1px solid #f1f5f9; }
.session-card .row:first-of-type { border-top: 0; padding-top: 0; }
.session-card .row span { color: var(--muted); }
.session-card .row b { color: var(--ink); text-align: right; }

/* ---------- Pie ---------- */
footer { background: var(--ink); color: rgba(255,255,255,.7); padding: 64px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
footer .brand-name { color: #fff; }
footer .brand-mark { background: #fff; color: var(--blue); box-shadow: none; }
footer h4 { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.45); margin-bottom: 14px; }
.footer-link { display: block; font-size: .92rem; margin-bottom: 9px; transition: color .2s; background: none; border: 0; color: inherit; cursor: pointer; text-align: left; padding: 0; }
.footer-link:hover { color: #fff; }
.social { display: flex; gap: 12px; margin-top: 18px; }
.social a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; transition: background .2s; color: #fff; }
.social a:hover { background: var(--blue); }
.footer-bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .82rem; color: rgba(255,255,255,.4); }
.footer-note { margin-top: 18px; font-size: .78rem; color: rgba(255,255,255,.38); max-width: 820px; }

/* Animación de entrada */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .iq-stage span, .hosts .bars i, .iq-dark .ring { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner, .contact, .faq-wrap, .why, .originals, .domains-wrap { grid-template-columns: minmax(0, 1fr); }
  .faq-intro, .domain-detail { position: static; }
  .iq-card { max-width: 520px; }
  .cycle, .benefits { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sheet { grid-template-columns: minmax(0, 1fr); }
  .sheet-side { padding: 24px; }
  .sheet-side .progress, .sheet-side .side-extra { display: none; }
}
@media (max-width: 860px) {
  .groups { grid-template-columns: minmax(0, 1fr); }
  .evidence { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding: 64px 0 64px; }
  .cycle, .benefits, .products, .form-grid, .domains, .orig-grid, .opt-grid, .summary { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cta { padding: 36px 24px; }
  .form-card, .sheet-main { padding: 22px; }
  .faq { padding: 4px 18px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .modal { padding: 0; }
  .sheet { max-height: 100vh; border-radius: 0; min-height: 100vh; align-content: start; }
}
@media (max-width: 480px) {
  .nav-actions .btn-primary { display: none; }
}

/* =====================================================================
   Páginas por producto (portada, test-iq.html, plan.html)
   ===================================================================== */

/* Menú: enlaces a cada producto */
.nav-links { display: flex; align-items: center; gap: 4px; margin-right: auto; margin-left: 28px; }
.nav-links a { font-size: .9rem; font-weight: 700; color: var(--muted); padding: 8px 12px; border-radius: 10px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--ink); background: var(--bg); }
.nav-links a.on { color: var(--blue); background: var(--blue-soft); }
@media (max-width: 760px) { .nav-links { display: none; } }
@media (max-width: 480px) { .nav-actions .btn-primary { display: inline-flex; } .nav-actions .btn-ghost { display: none; } }

/* Pasos (contacto, registro, procesos) */
.steps { display: grid; gap: 14px; }
.step { display: flex; gap: 14px; align-items: flex-start; }
.step > b { width: 30px; height: 30px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); display: flex; align-items: center; justify-content: center; font-size: .85rem; font-weight: 900; flex-shrink: 0; }
.step h4 { font-size: .98rem; font-weight: 800; color: var(--ink); }
.step p { font-size: .9rem; color: var(--muted); }

/* Portada: tarjetas que llevan a cada producto */
.products .benefit .more { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: .9rem; margin-top: 14px; }
.products .benefit.featured .more { color: #fff; }
.products .benefit:not(.featured) .more { color: var(--blue); }

/* Hero de producto (más compacto) */
.hero.product { padding: 88px 0 80px; }
.hero.product .lead { margin-bottom: 28px; }
.hero.plan { background: linear-gradient(100deg, rgba(11,21,48,.96) 0%, rgba(30,58,138,.85) 50%, rgba(30,58,138,.5) 100%), url('i1.jpg') center/cover no-repeat; }

/* Proceso numerado en línea */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: p; }
.process .p { border-radius: 20px; border: 1px solid var(--line); background: #fff; padding: 22px 20px; position: relative; }
.process .p::before { counter-increment: p; content: counter(p); width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 900; font-size: .85rem; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.process .p h3 { font-size: 1rem; font-weight: 900; color: var(--ink); line-height: 1.25; }
.process .p p { font-size: .86rem; color: var(--muted); margin-top: 6px; }

/* Formato del Test IQ por edad */
.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.format { border-radius: 22px; padding: 28px; background: var(--navy-2); border: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.7); }
.format .k { font-size: .74rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: #93c5fd; }
.format .big { display: flex; gap: 22px; margin: 14px 0 10px; }
.format .big b { display: block; font-size: 2.4rem; font-weight: 900; color: #fff; letter-spacing: -0.03em; line-height: 1; }
.format .big span { font-size: .82rem; }
.format p { font-size: .88rem; }

/* Informe con telaraña */
.report { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.report-card { border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: 0 24px 50px rgba(15,23,42,.07); padding: 26px; }
.report-card .top { display: flex; justify-content: space-between; gap: 12px; font-size: .78rem; color: var(--muted); font-weight: 700; }
.report-card .top b { color: var(--ink); font-size: 1rem; display: block; }
.radar { width: 100%; max-width: 360px; margin: 10px auto 0; display: block; }
.radar text { font-size: 9px; font-weight: 700; fill: #64748b; font-family: inherit; }
.legend { display: flex; gap: 16px; justify-content: center; font-size: .78rem; color: var(--muted); font-weight: 700; margin-top: 4px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* Bloques de dos columnas genéricos */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

@media (max-width: 1024px) {
  .process { grid-template-columns: repeat(2, 1fr); }
  .report { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .process, .formats, .split { grid-template-columns: minmax(0, 1fr); }
}

/* Reproductor del podcast de ejemplo */
.mini-player { display: flex; align-items: center; gap: 12px; margin-top: 12px; padding: 10px 14px 10px 10px; border-radius: 14px; background: var(--blue-soft); border: 1px solid #dbeafe; }
.mp-btn { width: 40px; height: 40px; border-radius: 50%; border: 0; background: var(--blue); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: background .2s, transform .2s; }
.mp-btn:hover { background: var(--blue-dark); transform: scale(1.05); }
.mp-info { flex: 1; min-width: 0; }
.mp-info b { display: block; font-size: .84rem; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mp-bar { height: 5px; border-radius: 5px; background: #bfdbfe; margin-top: 7px; cursor: pointer; overflow: hidden; }
.mp-bar i { display: block; height: 100%; width: 0; background: var(--blue); border-radius: 5px; }
.mp-time { font-size: .78rem; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; flex-shrink: 0; }
.mini-player.error .mp-info b { color: var(--muted); }
/* Las ondas de la tarjeta del podcast solo se mueven mientras suena */
.day-visual.podcast .bars i { animation-play-state: paused; }
.day.playing .day-visual.podcast .bars i { animation-play-state: running; }

/* Portada: los dos servicios como opciones en el hero */
.choices { display: grid; gap: 14px; }
.choice { display: flex; align-items: center; gap: 16px; padding: 22px; border-radius: 22px; background: rgba(15,23,42,.72); border: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(14px); color: #fff; transition: border-color .2s, transform .2s, background .2s; box-shadow: 0 30px 60px rgba(2,6,23,.4); }
.choice:hover { border-color: #93c5fd; background: rgba(30,58,138,.6); transform: translateY(-2px); }
.choice .c-ico { width: 52px; height: 52px; border-radius: 16px; background: rgba(37,99,235,.35); color: #bfdbfe; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.choice .c-body { flex: 1; min-width: 0; display: grid; gap: 2px; }
.choice .c-k { font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; color: #93c5fd; }
.choice .c-body b { font-size: 1.3rem; font-weight: 900; letter-spacing: -0.02em; }
.choice .c-body > span:last-child { font-size: .88rem; color: rgba(255,255,255,.68); }
.choice .c-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex-shrink: 0; }
.choice .c-side b { font-size: 1rem; font-weight: 900; }
@media (max-width: 480px) { .choice .c-side b { display: none; } }