:root {
  --bg-main: #0c0d0f;
  --bg-card: #14161b;
  --bg-card-hover: #1b1e26;
  --border-color: #232733;
  --border-focus: #4b5263;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent: #ffffff;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background-color: var(--bg-main); color: var(--text-main); line-height: 1.5; min-height: 100vh; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 48px; border-bottom: 1px solid var(--border-color); background: rgba(12, 13, 15, 0.9); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; }
.brand { display: flex; align-items: center; text-decoration: none; }
/* Logotipo corregido para que no se corte y luzca proporcionado */
.brand-logo { height: 52px; width: auto; max-width: 220px; object-fit: contain; display: block; }
.prototype { font-size: 10px; color: var(--text-muted); background: var(--bg-card); padding: 6px 14px; border: 1px solid var(--border-color); border-radius: 6px; letter-spacing: 1.5px; text-transform: uppercase; }

.hero { display: flex; justify-content: space-between; align-items: center; padding: 60px 48px; max-width: 1280px; margin: 0 auto; gap: 50px; }
.hero-copy { max-width: 650px; }
.eyebrow { font-size: 11px; letter-spacing: 2.5px; color: var(--text-muted); margin-bottom: 14px; font-weight: 600; text-transform: uppercase; }
.hero h1 { font-size: 46px; font-weight: 700; line-height: 1.1; margin-bottom: 20px; color: var(--accent); letter-spacing: -0.5px; }
.hero h1 em { font-style: italic; font-weight: 300; color: #d1d5db; }
.lead { font-size: 16px; color: var(--text-muted); margin-bottom: 28px; line-height: 1.6; }
.lead strong { color: var(--text-main); }
.trust-row { display: flex; gap: 24px; font-size: 13px; color: var(--text-main); font-weight: 500; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; }
.hero-primary { background: var(--accent); color: var(--bg-main); padding: 12px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; font-size: 14px; }
.hero-secondary { background: transparent; color: var(--text-main); border: 1px solid var(--border-color); padding: 12px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; font-size: 14px; }

/* Panel guía lateral del Hero */
.hero-guide { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 14px; padding: 28px; width: 440px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.guide-head { display: flex; justify-content: space-between; align-items: center; font-size: 11px; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 20px; font-weight: 700; }
.guide-content h3 { font-size: 18px; color: var(--accent); margin-bottom: 10px; }
.guide-content p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.5; }
.guide-content ul { padding-left: 18px; font-size: 13px; color: var(--text-main); display: flex; flex-direction: column; gap: 6px; margin-bottom: 24px; }
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; border-top: 1px solid var(--border-color); padding-top: 20px; text-align: center; }
.preview-grid span { display: block; font-size: 18px; font-weight: 700; color: var(--accent); }
.preview-grid small { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.signal { display: flex; gap: 6px; align-items: center; }
.signal i { width: 10px; height: 10px; border-radius: 50%; background: #374151; opacity: 0.4; }
.signal i.active { opacity: 1; background: var(--green); box-shadow: 0 0 10px var(--green); }

.product-strip { background: var(--bg-card); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); padding: 20px 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; font-size: 13px; color: var(--text-muted); max-width: 1280px; margin: 0 auto 40px auto; border-radius: 8px; }
.product-strip strong { display: block; color: var(--text-main); margin-bottom: 4px; font-size: 14px; }

.plans { max-width: 1280px; margin: 0 auto 60px auto; padding: 0 48px; }
.section-head { margin-bottom: 30px; }
.section-kicker { font-size: 10px; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 8px; font-weight: 700; text-transform: uppercase; }
.section-head h2 { font-size: 26px; color: var(--accent); margin-bottom: 8px; }
.section-head p { font-size: 14px; color: var(--text-muted); max-width: 700px; }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }
.plan-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; position: relative; }
.plan-card.featured { border-color: var(--accent); background: #181b22; }
.plan-label { font-size: 11px; letter-spacing: 1.5px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 12px; font-weight: 700; }
.plan-card h3 { font-size: 20px; color: var(--accent); margin-bottom: 8px; }
.price { font-size: 28px; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.price span { font-size: 13px; font-weight: 400; color: var(--text-muted); }
.plan-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.plan-card ul { padding-left: 16px; font-size: 13px; color: var(--text-main); display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; flex: 1; }
.plan-button { width: 100%; text-align: center; justify-content: center; }
.plan-notice { font-size: 12px; color: var(--text-muted); margin-top: 16px; text-align: center; }

.tool-shell { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
.account-preview { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px 12px 0 0; padding: 24px 32px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
.account-preview h2 { font-size: 18px; color: var(--accent); }
.account-meta { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.usage { display: flex; align-items: center; gap: 16px; }
.usage-ring { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--green); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--green); background: rgba(16, 185, 129, 0.05); }
.usage strong { display: block; font-size: 14px; color: var(--text-main); }
.usage span { font-size: 12px; color: var(--text-muted); }
.progress { width: 140px; height: 6px; background: var(--bg-main); border-radius: 3px; margin-top: 6px; overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--green); }

.workspace { display: grid; grid-template-columns: 360px 1fr; background: var(--bg-card); border: 1px solid var(--border-color); border-top: none; border-radius: 0 0 14px 14px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.route-panel { padding: 28px; border-right: 1px solid var(--border-color); height: fit-content; }
.route-panel h2 { font-size: 18px; margin-bottom: 20px; color: var(--accent); }
.route-list { display: flex; flex-direction: column; gap: 8px; }
.route-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 8px; background: var(--bg-main); border: 1px solid var(--border-color); font-size: 13px; color: var(--text-muted); }
.route-item b { color: var(--accent); font-size: 12px; }
.route-item span { flex: 1; }
.route-item .status { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.route-item.audit .status { background: var(--amber); }

.analyzer { padding: 48px; }
.step { font-size: 11px; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 10px; font-weight: 700; text-transform: uppercase; }
.analyzer h2 { font-size: 26px; margin-bottom: 10px; color: var(--accent); }
.muted { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.5; }
textarea { width: 100%; background: var(--bg-main); border: 1px solid var(--border-color); border-radius: 8px; padding: 16px; color: var(--text-main); font-size: 15px; resize: vertical; margin-bottom: 16px; outline: none; }
textarea:focus { border-color: var(--border-focus); }

.examples { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.examples button { background: var(--bg-main); border: 1px solid var(--border-color); color: var(--text-muted); padding: 6px 12px; border-radius: 6px; font-size: 12px; cursor: pointer; }
.examples button:hover { border-color: var(--accent); color: var(--text-main); }

button.primary { background: var(--accent); color: var(--bg-main); border: none; padding: 14px 24px; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
button.primary:hover { opacity: 0.9; }
button.secondary { background: transparent; color: var(--text-main); border: 1px solid var(--border-color); padding: 10px 18px; border-radius: 8px; font-size: 13px; cursor: pointer; }
button.secondary:hover { border-color: var(--text-muted); }

.question { border: none; margin-bottom: 24px; }
.question legend { font-size: 15px; font-weight: 600; color: var(--accent); margin-bottom: 12px; }
.choices { display: flex; flex-direction: column; gap: 8px; }
.choice { display: flex; align-items: center; gap: 12px; background: var(--bg-main); border: 1px solid var(--border-color); padding: 12px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; }
.choice input { accent-color: var(--accent); }

.actions { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; }
.hidden { display: none !important; }
.error { color: var(--red); font-size: 13px; margin-top: 8px; font-weight: 500; }

.result-card { border-radius: 10px; padding: 28px; border: 1px solid var(--border-color); background: var(--bg-main); position: relative; }
.result-card::before { content: "DICTAMEN CONFIDENCIAL"; position: absolute; top: 16px; right: 24px; font-size: 9px; letter-spacing: 2px; color: var(--text-muted); opacity: 0.4; font-weight: 700; }
.result-card.green { border-top: 3px solid var(--green); }
.result-card.amber { border-top: 3px solid var(--amber); }
.result-card.red { border-top: 3px solid var(--red); }
.result-card.insufficient { border-top: 3px solid var(--text-muted); }

.result-top { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.result-light { width: 12px; height: 12px; border-radius: 50%; margin-top: 6px; flex-shrink: 0; }
.green .result-light { background: var(--green); box-shadow: 0 0 10px var(--green); }
.amber .result-light { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.red .result-light { background: var(--red); box-shadow: 0 0 10px var(--red); }
.insufficient .result-light { background: var(--text-muted); }

.result-title { font-size: 20px; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.result-sub { font-size: 14px; color: var(--text-muted); }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.result-box { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; padding: 16px; }
.result-box h3 { font-size: 11px; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 12px; text-transform: uppercase; }
.result-box ul { padding-left: 16px; font-size: 13px; color: var(--text-main); display: flex; flex-direction: column; gap: 6px; }
.legal { font-size: 11px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.4; border-top: 1px solid var(--border-color); padding-top: 16px; }
.consult { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; padding: 16px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-size: 13px; }
.consult a { color: var(--accent); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }

.principles { max-width: 1280px; margin: 80px auto 0 auto; padding: 0 48px; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }
.principle-grid article { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; }
.principle-grid span { font-size: 11px; font-weight: 700; color: var(--text-muted); letter-spacing: 2px; }
.principle-grid h3 { font-size: 16px; color: var(--accent); margin: 8px 0; }
.principle-grid p { font-size: 13px; color: var(--text-muted); }

footer { border-top: 1px solid var(--border-color); padding: 48px; max-width: 1280px; margin: 60px auto 0 auto; display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); gap: 30px; background: rgba(12, 13, 15, 0.5); }
footer strong { color: var(--text-main); }
footer p { max-width: 420px; text-align: right; font-size: 11px; line-height: 1.5; }

@media (max-width: 960px) {
  .workspace { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; padding: 40px 24px; }
  .hero-guide { width: 100%; }
  .topbar, .product-strip, .plans, .tool-shell, .principles, footer { padding-left: 24px; padding-right: 24px; }
  .plan-grid, .principle-grid, .product-strip { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: left; }
  footer p { text-align: left; }
}