/* =========================================================
   PYMEBILL - Hoja de estilos principal
   Colores de marca:
   --teal (#0DB1A2): color principal, botones, acentos
   --dark (#2C3639): texto principal, fondos oscuros
   ========================================================= */

:root {
  --teal: #0DB1A2;
  --teal-dark: #0a8a7e;
  --dark: #2C3639;
  --gray-50: #f7f9f9;
  --gray-100: #eef1f1;
  --gray-300: #cfd6d6;
  --gray-500: #6b7676;
  --white: #ffffff;
  --danger: #e5484d;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(44, 54, 57, 0.08);
  --max-width: 1140px;
  --font: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.55; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--gray-50); }
.section-title { font-size: 32px; text-align: center; margin-bottom: 12px; color: var(--dark); }
.section-subtitle { text-align: center; color: var(--gray-500); max-width: 620px; margin: 0 auto 48px; font-size: 16px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius); font-weight: 600; font-size: 15px;
  text-decoration: none; border: none; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-outline { background: transparent; color: var(--dark); border: 2px solid var(--gray-300); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-whatsapp { background: #25D366; color: var(--white); }
.btn-whatsapp:hover { background: #1ea952; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 13px; }

/* ---------- Header / Nav ---------- */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gray-100);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: var(--max-width); margin: 0 auto;
}
.logo-link {
  display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px;
  color: var(--dark); text-decoration: none;
}
.logo-link img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; color: var(--dark); font-size: 14.5px; font-weight: 500; }
.nav-links a:hover { color: var(--teal); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--dark); }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: 68px; left: 0; right: 0; background: var(--white);
    flex-direction: column; align-items: flex-start; padding: 20px 24px;
    box-shadow: var(--shadow); display: none; gap: 18px;
  }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero { padding: 70px 0 60px; background: linear-gradient(135deg, #f2fbfa 0%, #ffffff 60%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 42px; line-height: 1.15; margin-bottom: 18px; color: var(--dark); }
.hero h1 span { color: var(--teal); }
.hero p { font-size: 17px; color: var(--gray-500); margin-bottom: 28px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-img img { border-radius: 16px; box-shadow: var(--shadow); }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } }

/* ---------- Trust bar ---------- */
.trust-bar {
  display: flex; flex-wrap: wrap; gap: 28px; justify-content: center; padding: 22px 0;
  border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100);
  font-size: 13.5px; color: var(--gray-500); font-weight: 600;
}
.trust-bar span { display: flex; align-items: center; gap: 6px; }
.trust-bar span::before { content: "✔"; color: var(--teal); }

/* ---------- Cards genéricas ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 860px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.card .icon { font-size: 28px; margin-bottom: 14px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--gray-500); font-size: 14.5px; }

/* ---------- Cómo funciona (pasos) ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { text-align: center; padding: 20px; }
.step .step-number {
  width: 46px; height: 46px; border-radius: 50%; background: var(--teal); color: var(--white);
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px;
  margin: 0 auto 16px;
}
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Sección ROI (Calcula tu ahorro) ---------- */
.roi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) { .roi-grid { grid-template-columns: 1fr; } }
.roi-card {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; box-shadow: var(--shadow);
}
.roi-card h3 { font-size: 18px; margin-bottom: 6px; }
.roi-card .roi-number { font-size: 30px; font-weight: 700; color: var(--teal); margin-top: 8px; }
.roi-card .roi-label { color: var(--gray-500); font-size: 13px; margin-bottom: 14px; }
.roi-card .btn { margin-top: 12px; }

/* Efecto de resaltado cuando se llega desde el botón "Ver este plan" */
.pricing-card.resaltado {
  animation: pb-pulse 1.2s ease 2;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(13,177,162,0.25);
}
@keyframes pb-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* ---------- Planes / Precios ---------- */
.period-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.period-tabs button {
  border: 2px solid var(--gray-300); background: var(--white); padding: 10px 22px; border-radius: 30px;
  font-weight: 600; cursor: pointer; color: var(--dark);
}
.period-tabs button.active { border-color: var(--teal); background: var(--teal); color: var(--white); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
@media (max-width: 860px) { .pricing-grid { grid-template-columns: 1fr; } }

.pricing-card {
  background: var(--white); border: 2px solid var(--gray-100); border-radius: var(--radius);
  padding: 32px 26px; display: flex; flex-direction: column; position: relative;
  transition: box-shadow .2s ease;
}
.pricing-card.featured { border-color: var(--teal); box-shadow: var(--shadow); }
.pricing-card .badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: var(--white); font-size: 12px; font-weight: 700;
  padding: 5px 14px; border-radius: 20px;
}
.pricing-card h3 { font-size: 20px; margin-bottom: 4px; }
.pricing-card .plan-desc { color: var(--gray-500); font-size: 13.5px; margin-bottom: 18px; }
.pricing-card .price-onetime { font-size: 14px; color: var(--gray-500); }
.pricing-card .price-onetime strong { color: var(--dark); font-size: 18px; }
.pricing-card .price-setup-original { text-decoration: line-through; color: var(--gray-500); font-weight: 400; margin-right: 4px; font-size: 13px; }
.pricing-card .price-monthly { font-size: 34px; font-weight: 700; margin: 6px 0 2px; color: var(--dark); }
.pricing-card .price-monthly small { font-size: 14px; font-weight: 500; color: var(--gray-500); }
.pricing-card ul { flex: 1; margin-bottom: 10px; }
.pricing-card ul li { font-size: 14px; padding: 6px 0; display: flex; gap: 8px; }
.pricing-card ul li::before { content: "✓"; color: var(--teal); font-weight: 700; }
.pricing-card .plan-excedente-note { font-size: 12px; color: var(--gray-500); margin-bottom: 18px; }
.pricing-card .card-actions { display: flex; flex-direction: column; gap: 10px; }

/* ---------- ¿Por qué elegir PymeBill? ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq-item { max-width: 760px; margin: 0 auto 12px; border: 1px solid var(--gray-100); border-radius: var(--radius); overflow: hidden; }
.faq-question {
  width: 100%; text-align: left; background: var(--white); border: none; padding: 18px 22px;
  font-size: 15.5px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.faq-question::after { content: "+"; font-size: 20px; color: var(--teal); }
.faq-item.open .faq-question::after { content: "–"; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; padding: 0 22px; color: var(--gray-500); font-size: 14.5px; }
.faq-item.open .faq-answer { max-height: 280px; padding: 0 22px 18px; }

/* ---------- Contacto / CTA final ---------- */
.cta-final { background: var(--dark); color: var(--white); padding: 70px 0; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cta-final h2 { font-size: 30px; margin-bottom: 14px; }
.cta-final p { color: #c7cfcf; margin-bottom: 24px; }
.contact-methods { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.contact-methods a { display: flex; align-items: center; gap: 10px; color: var(--white); text-decoration: none; font-size: 15px; }
.form-box { background: var(--white); color: var(--dark); padding: 30px; border-radius: var(--radius); }
.form-box input, .form-box textarea, .form-box select {
  width: 100%; padding: 12px 14px; margin-bottom: 14px; border: 1px solid var(--gray-300);
  border-radius: 8px; font-family: inherit; font-size: 14.5px;
}
.form-box label { font-size: 13px; font-weight: 600; display: block; margin-bottom: 4px; }
.form-msg { font-size: 13.5px; margin-top: 10px; padding: 10px; border-radius: 6px; display: none; }
.form-msg.ok { display: block; background: #e7f9ee; color: #1a7d3c; }
.form-msg.err { display: block; background: #fdecec; color: #b3261e; }
@media (max-width: 860px) { .cta-grid { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
footer { background: var(--dark); color: #9fb0af; padding: 40px 0 20px; font-size: 13.5px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 24px; }
.footer-grid a { color: #c7cfcf; text-decoration: none; }
.footer-bottom { border-top: 1px solid #3d4a4d; padding-top: 16px; text-align: center; color: #7f9291; }

/* ---------- Botón flotante de WhatsApp ---------- */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; background: #25D366; color: var(--white);
  width: 58px; height: 58px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 28px; box-shadow: 0 6px 16px rgba(0,0,0,0.25); z-index: 999; text-decoration: none;
  transition: transform .15s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Modal de pago ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(44,54,57,0.55); display: none;
  align-items: center; justify-content: center; z-index: 1000; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--white); border-radius: var(--radius); padding: 32px; max-width: 440px;
  width: 100%; max-height: 90vh; overflow-y: auto; position: relative;
}
.modal-close { position: absolute; top: 14px; right: 16px; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--gray-500); }
.modal-box h3 { margin-bottom: 6px; }
.modal-summary { background: var(--gray-50); border-radius: 8px; padding: 12px 14px; font-size: 13.5px; margin: 14px 0 18px; }

/* ---------- Cómo funciona: mockups ---------- */
.mockup-block { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 50px 0; border-bottom: 1px solid var(--gray-100); }
.mockup-block.reverse .mockup-img { order: 2; }
.mockup-img img { border-radius: 14px; box-shadow: var(--shadow); }
.mockup-text h3 { font-size: 24px; margin-bottom: 12px; }
.mockup-text p { color: var(--gray-500); margin-bottom: 10px; }
@media (max-width: 860px) {
  .mockup-block, .mockup-block.reverse { grid-template-columns: 1fr; }
  .mockup-block.reverse .mockup-img { order: 0; }
}

.page-hero { padding: 60px 0 40px; text-align: center; background: linear-gradient(135deg, #f2fbfa 0%, #ffffff 60%); }
.page-hero h1 { font-size: 34px; margin-bottom: 12px; }
.page-hero p { color: var(--gray-500); max-width: 640px; margin: 0 auto; }

.disclaimer-note { font-size: 12.5px; color: var(--gray-500); text-align: center; max-width: 700px; margin: 30px auto 0; font-style: italic; }

/* ---------- Legal page ---------- */
.legal-content { max-width: 820px; margin: 0 auto; padding: 60px 24px; }
.legal-content h2 { margin: 28px 0 12px; font-size: 20px; }
.legal-content p, .legal-content li { color: var(--gray-500); margin-bottom: 10px; font-size: 15px; }
.legal-content ul { padding-left: 20px; list-style: disc; }