:root {
  --pk-primary: #0ea5e9;       
  --pk-primary-dark: #0284c7;
  --pk-whatsapp: #25D366;
  --pk-whatsapp-dark: #128C7E;
  --pk-dark: #0f172a;     
  --pk-accent: #38bdf8;        
  --pk-text: #334155;          
  --pk-text-light: #64748b;    
  --pk-bg: #f8fafc;            
  --pk-white: #ffffff;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-float: 0 20px 40px -15px rgba(0,0,0,0.08);
  --shadow-premium: 0 25px 50px -12px rgba(0,0,0,0.25);
}

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

body {
  font-family: var(--font-sans); color: var(--pk-text); background-color: var(--pk-bg);
  line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--pk-dark); line-height: 1.1; letter-spacing: -0.025em; font-weight: 700; }
a { text-decoration: none; color: inherit; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* Header Premium con Glassmorphism */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(248, 250, 252, 0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05); padding: 1rem 0; transition: all 0.3s ease;
}
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-weight: 800; font-size: 1.5rem; color: var(--pk-dark); display: flex; align-items: center; gap: 0.5rem; letter-spacing: -0.02em; }
.logo span { color: var(--pk-primary); }
.logo::before {
  content: ''; width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--pk-primary), var(--pk-accent));
  box-shadow: 0 4px 8px rgba(14, 165, 233, 0.3);
}
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-link { font-weight: 500; font-size: 0.95rem; color: var(--pk-text); position: relative; padding: 0.5rem 0; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--pk-primary); transition: width 0.3s ease; border-radius: 2px; }
.nav-link:hover { color: var(--pk-primary); }
.nav-link:hover::after { width: 100%; }

/* Botones Premium */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.75rem;
  padding: 1rem 2rem; border-radius: 50px; font-weight: 600; font-size: 1.05rem;
  cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: none; white-space: nowrap;
}
.btn-whatsapp { 
  background: var(--pk-whatsapp); color: var(--pk-white); 
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3); width: 100%;
}
.btn-whatsapp:hover { 
  background: var(--pk-whatsapp-dark); transform: translateY(-3px); 
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4); 
}
.btn-outline-dark { 
  border: 2px solid var(--pk-dark); color: var(--pk-dark); background: transparent; width: 100%;
}
.btn-outline-dark:hover { background: var(--pk-dark); color: var(--pk-white); }

.template-btn {
  border-radius: 50px; border: 1px solid rgba(148,163,184,0.4); padding: 0.7rem 1.2rem;
  font-size: 0.9rem; color: var(--pk-text-light); display: inline-flex;
  align-items: center; justify-content: center; text-align: center;
  transition: all 0.3s ease; background: var(--pk-white);
}
.template-btn:hover { border-color: var(--pk-whatsapp); color: var(--pk-whatsapp-dark); background: rgba(37,211,102,0.05); }

/* Hero Interno Premium */
.hero-inner { 
  padding: 11rem 0 8rem; 
  background: linear-gradient(-45deg, var(--pk-dark), #1e293b, #0f172a, #020617);
  background-size: 400% 400%; animation: gradientBG 15s ease infinite;
  color: var(--pk-white); text-align: center; position: relative; overflow: hidden;
}
@keyframes gradientBG { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
.hero-inner::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle at 30% 20%, rgba(14,165,233,0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(37,211,102,0.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner h1 { color: var(--pk-white); font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1.5rem; position: relative; font-weight: 800; }
.hero-inner h1 span { background: linear-gradient(135deg, #4ade80, #22c55e); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-inner p { color: #cbd5e1; font-size: clamp(1.1rem, 2vw, 1.25rem); max-width: 700px; margin: 0 auto; position: relative; }

/* Grid de Contacto Bento Premium */
.section { padding: 0; }
.contact-bento {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 2rem;
  max-width: 1000px; margin: -120px auto 0; position: relative; z-index: 10;
  padding: 0 1.5rem;
}

.contact-card {
  background: var(--pk-white); border-radius: var(--radius-lg); padding: 3rem;
  box-shadow: var(--shadow-premium); border: 1px solid rgba(0,0,0,0.05);
  display: flex; flex-direction: column; justify-content: center;
}

/* WhatsApp Card - Protagonista absoluto */
.card-wa { 
  grid-column: span 12; text-align: center; 
  border: 2px solid rgba(37, 211, 102, 0.2); position: relative; overflow: hidden;
}
.card-wa::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 6px;
  background: var(--pk-whatsapp);
}
.card-wa h2 { font-size: 2.2rem; margin-bottom: 1rem; color: var(--pk-dark); }
.card-wa p { color: var(--pk-text-light); font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; }

.wa-main-btn {
  max-width: 400px; margin: 0 auto 2.5rem; width: 100%;
}

/* Plantillas Rápidas */
.quick-templates { 
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
  gap: 1rem; margin-top: 1.5rem; 
}
.templates-title { 
  font-size: 1.1rem; margin-bottom: 1rem; color: var(--pk-text); 
  text-align: center; font-weight: 600; 
}

/* Teléfono y Email - Secundarios */
.card-phone { grid-column: span 6; text-align: center; padding: 2.5rem; }
.card-email { grid-column: span 6; text-align: center; padding: 2.5rem; }

.contact-icon { font-size: 2.5rem; margin-bottom: 1rem; display: inline-block; }
.card-phone h3, .card-email h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.card-phone p, .card-email p { color: var(--pk-text-light); margin-bottom: 1.5rem; font-size: 0.95rem; }

/* Info Local (NAP) para SEO */
.local-info {
  margin-top: 5rem; margin-bottom: 4rem; text-align: center; background: var(--pk-white);
  padding: 3rem; border-radius: var(--radius-lg); border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.03);
}
.local-info h3 { font-size: 1.5rem; margin-bottom: 2rem; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.info-item h4 { font-size: 1.1rem; color: var(--pk-dark); margin-bottom: 0.5rem; }
.info-item p { color: var(--pk-text-light); font-size: 1rem; }

/* Footer */
.footer { background: var(--pk-dark); color: var(--pk-white); padding: 5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 4rem; margin-bottom: 4rem; }
.footer h3 { color: var(--pk-white); margin-bottom: 1.5rem; font-size: 1.1rem; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.85rem; color: #cbd5e1; font-size: 0.95rem; }
.footer a { color: #cbd5e1; }
.footer a:hover { color: var(--pk-white); }
.footer-desc { color: #cbd5e1; font-size: 0.95rem; line-height: 1.7; margin-bottom: 1rem; }
.copyright { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 2rem; text-align: center; color: #94a3b8; font-size: 0.875rem; }

.nav-toggle {
  display: none; width: 44px; height: 44px; 
  border: 1px solid rgba(0,0,0,0.1); background: var(--pk-white);
  border-radius: 12px; cursor: pointer; flex-direction: column; 
  justify-content: center; gap: 5px; padding: 8px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--pk-dark); border-radius: 2px; transition: 0.3s; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px); padding: 1.5rem; 
    border-bottom: 1px solid rgba(0,0,0,0.05); gap: 1rem; border-radius: 0 0 16px 16px;
  }
  .nav-links.is-open { display: flex; }
  .hero-inner { padding: 9rem 0 8rem; }
  .card-phone, .card-email { grid-column: span 12; }
  .contact-bento { margin-top: -80px; }
  .card-wa { padding: 2rem 1.5rem; }
  .quick-templates { grid-template-columns: 1fr; }
}