/* IA que Factura Tools — estilos compartidos */
:root {
  --navy: #0e1b33;
  --navy-2: #16263f;
  --amber: #f5a623;
  --amber-dark: #d98a0b;
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1c2433;
  --muted: #5b6577;
  --border: #e6e9f0;
  --green: #1d9e6c;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(14, 27, 51, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
header.site {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
header.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.brand span { color: var(--amber); }
nav.main a {
  color: #dfe6f2;
  text-decoration: none;
  margin-left: 22px;
  font-weight: 600;
  font-size: 0.95rem;
}
nav.main a:hover, nav.main a.active { color: var(--amber); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 70%);
  color: #fff;
  padding: 72px 0 64px;
  text-align: center;
}
.hero .badge {
  display: inline-block;
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid var(--amber);
  color: var(--amber);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 760px;
  margin: 0 auto 16px;
}
.hero h1 span { color: var(--amber); }
.hero p.sub {
  color: #c3cede;
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-meta {
  margin-top: 28px;
  color: #8fa0b8;
  font-size: 0.9rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  background: var(--amber);
  color: var(--navy);
  font-weight: 800;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245, 166, 35, 0.35); }
.btn:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-ghost {
  display: inline-block;
  background: transparent;
  color: #fff;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 12px;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.35);
  cursor: pointer;
  font-size: 1rem;
}
.btn-ghost:hover { border-color: #fff; }
.btn-outline {
  display: inline-block;
  background: #fff;
  color: var(--navy);
  font-weight: 700;
  padding: 11px 22px;
  border-radius: 10px;
  text-decoration: none;
  border: 2px solid var(--border);
  cursor: pointer;
  font-size: 0.95rem;
}
.btn-outline:hover { border-color: var(--amber); }
.btn-small { padding: 9px 18px; font-size: 0.9rem; }

/* ---------- Secciones ---------- */
section.block { padding: 64px 0; }
section.block h2 {
  text-align: center;
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
section.block p.lead {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
}

/* ---------- Tarjetas de herramientas ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.tool-card .icon { font-size: 2.4rem; margin-bottom: 14px; }
.tool-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.tool-card p { color: var(--muted); flex: 1; margin-bottom: 20px; }
.tool-card .tag {
  display: inline-block;
  background: #eef7f1;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  align-self: flex-start;
}

/* ---------- Pasos ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  counter-reset: paso;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  position: relative;
}
.step::before {
  counter-increment: paso;
  content: counter(paso);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: var(--navy);
  color: var(--amber);
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 12px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* ---------- Formularios ---------- */
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 32px;
  max-width: 680px;
  margin: 0 auto;
}
label.q-label {
  display: block;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 6px;
}
p.q-hint { color: var(--muted); font-size: 0.92rem; margin-bottom: 16px; }
input[type="text"], input[type="email"], input[type="number"], textarea, select {
  width: 100%;
  padding: 13px 15px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  margin-bottom: 6px;
  background: #fff;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--amber);
}
textarea { min-height: 110px; resize: vertical; }
.option-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.pill {
  border: 2px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: inherit;
}
.pill.selected { border-color: var(--amber); background: #fef6e7; color: var(--navy); }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 28px; }
.progress-wrap { margin-bottom: 28px; }
.progress-label { font-size: 0.85rem; color: var(--muted); margin-bottom: 8px; }
.progress-bar { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* ---------- Informe ---------- */
.report { max-width: 760px; margin: 0 auto; }
.report-summary {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 30px;
  margin-bottom: 24px;
}
.report-summary h2 { color: var(--amber); font-size: 1.4rem; margin-bottom: 12px; }
.report-summary p { color: #dfe6f2; }
.auto-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.auto-card .rank {
  display: inline-block;
  background: var(--navy);
  color: var(--amber);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.auto-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.auto-card p.desc { color: var(--muted); margin-bottom: 16px; }
.savings { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.saving-badge {
  background: #eef7f1;
  color: #147a52;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 0.95rem;
}
.tool-rec {
  background: #fef6e7;
  border: 1px dashed var(--amber);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 8px;
}
.tool-rec strong { display: block; margin-bottom: 4px; }
.tool-rec p { font-size: 0.92rem; color: var(--muted); margin-bottom: 12px; }
.cta-box {
  background: linear-gradient(135deg, var(--amber) 0%, #ffc85e 100%);
  border-radius: var(--radius);
  padding: 32px 30px;
  text-align: center;
  margin-top: 32px;
  color: var(--navy);
}
.cta-box h3 { font-size: 1.4rem; margin-bottom: 10px; }
.cta-box p { margin-bottom: 20px; font-weight: 500; }
.cta-box .btn { background: var(--navy); color: #fff; margin: 4px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Generadores ---------- */
.gen-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 760px;
  margin: 0 auto;
}
.gen-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 30px;
}
.gen-card h2 { font-size: 1.4rem; margin-bottom: 8px; }
.gen-card > p { color: var(--muted); margin-bottom: 20px; }
.result-box {
  background: #f9fafc;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-top: 20px;
  white-space: pre-wrap;
  font-size: 0.98rem;
  display: none;
}
.result-box.visible { display: block; }
.result-box ol { padding-left: 22px; }
.result-box li { margin-bottom: 8px; }
.result-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.result-foot {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}
.result-foot a { color: var(--amber-dark); font-weight: 700; }

/* ---------- Email capture ---------- */
.email-capture {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.email-capture h2 { font-size: 1.6rem; margin-bottom: 10px; }
.email-capture h2 span { color: var(--amber); }
.email-capture p { color: #c3cede; margin-bottom: 24px; }
.email-form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; }
.email-form input { flex: 1; margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 720px; margin: 0 auto; }
.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 12px;
}
.faq summary { font-weight: 700; cursor: pointer; }
.faq details p { color: var(--muted); margin-top: 10px; }

/* ---------- Estados ---------- */
.loading { text-align: center; padding: 48px 20px; }
.spinner {
  width: 48px; height: 48px;
  border: 5px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  margin: 0 auto 18px;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.error-box {
  background: #fdeeee;
  border: 1px solid #f3c1c1;
  color: #a33b3b;
  border-radius: 12px;
  padding: 20px 22px;
  max-width: 680px;
  margin: 24px auto;
  display: none;
}
.error-box.visible { display: block; }
.privacy-note {
  font-size: 0.85rem;
  color: var(--muted);
  background: #fff8e8;
  border: 1px solid #f0dfae;
  border-radius: 10px;
  padding: 12px 16px;
  margin-top: 24px;
}

/* ---------- Footer ---------- */
footer.site {
  background: var(--navy);
  color: #8fa0b8;
  padding: 40px 0;
  font-size: 0.88rem;
  margin-top: 40px;
}
footer.site .container {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
footer.site a { color: #c3cede; text-decoration: none; }
footer.site a:hover { color: var(--amber); }
footer.site .disclosure { max-width: 520px; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .hero { padding: 52px 0 44px; }
  section.block { padding: 44px 0; }
  .email-form { flex-direction: column; }
  nav.main a { margin-left: 14px; font-size: 0.88rem; }
  .form-card, .gen-card { padding: 26px 20px; }
}