/* ==========================================================================
   WaBot Colombia - Main Stylesheet
   Estilo Inspirado en Callbell.eu: Limpio, Profesional, Azul Corporativo y Blanco.
   ========================================================================== */

:root {
  --primary: #0066FF;
  --primary-hover: #0052CC;
  --primary-light: #E6F0FF;
  --navy: #0F172A;
  --navy-light: #1E293B;
  --whatsapp: #25D366;
  --whatsapp-hover: #1EBE5D;
  --whatsapp-light: #DCF8C6;
  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-light: #E2E8F0;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 35px -10px rgba(0, 102, 255, 0.15);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--text-main);
  background-color: #FFFFFF;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography & Utilities */
h1, h2, h3, h4 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.badge-whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: #128C7E;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #00C6FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-main);
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  width: 320px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
}

.dropdown-item:hover {
  background: var(--bg-light);
  color: var(--primary);
}

.dropdown-item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.35);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.45);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.1rem;
  border-radius: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--navy);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.2rem;
  margin: 20px 0;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.trust-avatars {
  display: flex;
}

.trust-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid white;
  margin-left: -10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--primary);
}

.trust-avatar:first-child { margin-left: 0; }

/* WhatsApp Simulated Chat Box (Callbell style mockup) */
.chat-mockup-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: white;
}

.chat-mockup-header {
  background: #075E54;
  color: white;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #128C7E;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
}

.chat-user-name {
  font-weight: 600;
  font-size: 1.05rem;
}

.chat-status {
  font-size: 0.75rem;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chat-status::before {
  content: '';
  width: 8px;
  height: 8px;
  background: #25D366;
  border-radius: 50%;
  display: inline-block;
}

.chat-body {
  background: #E5DDD5;
  background-image: radial-gradient(#000000 0.5px, transparent 0.5px);
  background-size: 16px 16px;
  background-opacity: 0.05;
  padding: 20px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-bubble {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.92rem;
  position: relative;
  line-height: 1.45;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.chat-bubble-received {
  background: white;
  align-self: flex-start;
  border-top-left-radius: 2px;
  color: #111B21;
}

.chat-bubble-sent {
  background: #DCF8C6;
  align-self: flex-end;
  border-top-right-radius: 2px;
  color: #111B21;
}

.chat-meta {
  font-size: 0.7rem;
  color: #667781;
  text-align: right;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.chat-typing {
  align-self: flex-start;
  background: white;
  padding: 10px 16px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.dot {
  width: 6px;
  height: 6px;
  background: #8696A0;
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out;
}

.dot:nth-child(2) { animation-delay: 0.2s; }
.dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* Stats Counter Bar */
.stats-bar {
  background: var(--navy);
  color: white;
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: #00C6FF;
}

.stat-label {
  font-size: 0.95rem;
  color: #94A3B8;
  margin-top: 4px;
}

/* Section Common */
.section {
  padding: 90px 0;
}

.section-light {
  background-color: var(--bg-light);
}

.section-header {
  max-width: 750px;
  margin: 0 auto 60px;
  text-align: center;
}

.section-title {
  font-size: 2.4rem;
  margin-top: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 20px;
  font-size: 0.9rem;
}

.feature-link:hover {
  gap: 10px;
}

/* Use Cases / Sectors Tabbed Section */
.sectors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.sector-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sector-item {
  background: white;
  border: 1px solid var(--border-light);
  padding: 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.sector-item.active, .sector-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  background: var(--primary-light);
}

.sector-item h4 {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sector-item p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 8px;
}

/* Pricing Section */
.pricing-switch {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.switch-label {
  font-weight: 600;
  font-size: 1rem;
}

.switch-toggle {
  width: 56px;
  height: 30px;
  background: #CBD5E1;
  border-radius: 30px;
  padding: 3px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.switch-toggle.active {
  background: var(--primary);
}

.switch-circle {
  width: 24px;
  height: 24px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
}

.switch-toggle.active .switch-circle {
  transform: translateX(26px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pricing-header h3 {
  font-size: 1.5rem;
}

.pricing-price {
  margin: 20px 0;
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--navy);
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-features {
  margin: 24px 0 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.pricing-feature svg {
  color: var(--whatsapp);
  flex-shrink: 0;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-stars {
  color: #F59E0B;
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-main);
  font-style: italic;
  line-height: 1.6;
}

.testimonial-author {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--primary);
}

.author-info h5 {
  font-size: 1rem;
  color: var(--navy);
}

.author-info span {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 24px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-icon {
  font-size: 1.4rem;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding: 0 24px 24px;
  max-height: 300px;
}

/* Final CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, #0046B8 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: 70px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  color: white;
  font-size: 2.6rem;
}

.cta-banner p {
  color: #94A3B8;
  font-size: 1.15rem;
  max-width: 640px;
  margin: 16px auto 32px;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.whatsapp-btn-float {
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
  position: relative;
}

.whatsapp-btn-float:hover {
  transform: scale(1.1);
  background: var(--whatsapp-hover);
}

.whatsapp-badge-pulse {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 16px;
  height: 16px;
  background: #EF4444;
  border: 2px solid white;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.whatsapp-tooltip {
  background: white;
  color: var(--navy);
  padding: 10px 16px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  white-space: nowrap;
}

/* Footer */
.footer {
  background: var(--navy);
  color: #94A3B8;
  padding: 80px 0 30px;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.footer-links h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a:hover {
  color: white;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* Service Detail Page Specific Styles */
.page-hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.content-block {
  margin: 40px 0;
}

.content-block h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.content-block p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
}

.features-list li svg {
  color: var(--whatsapp);
  flex-shrink: 0;
  margin-top: 4px;
}

/* Media Queries for Mobile Responsiveness */
@media (max-width: 1024px) {
  .hero-grid, .sectors-grid { grid-template-columns: 1fr; gap: 40px; }
  .features-grid, .pricing-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: white;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
    transition: var(--transition);
    overflow-y: auto;
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle { display: block; }
  .hero-content h1 { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .features-grid, .pricing-grid, .testimonials-grid, .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .whatsapp-tooltip { display: none; }
}