/* ========================================
   ECOSISTIA DESIGN SYSTEM v2.0 MEJORADO
   Diseño Sofisticado y Atractivo
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,200..900;1,9..144,200..900&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ========================================
   1. PALETA DE COLORES SOFISTICADA
   ======================================== */
:root {
  /* Colores Primarios - Elegantes y Modernos */
  --eco-deep-blue: #0F172A;        /* Azul profundo para textos importantes */
  --eco-slate: #1E293B;            /* Azul gris elegante */
  --eco-indigo: #3730A3;           /* Índigo refinado */
  --eco-blue: #1D4ED8;             /* Azul vibrante pero profesional */
  
  /* Colores Secundarios - Energéticos */
  --eco-teal: #0F766E;             /* Verde azulado sofisticado */
  --eco-emerald: #059669;          /* Esmeralda profesional */
  --eco-cyan: #0891B2;             /* Cian moderno */
  
  /* Colores de Acento - Vibrantes */
  --eco-orange: #EA580C;           /* Naranja energético */
  --eco-amber: #D97706;            /* Ámbar cálido */
  --eco-rose: #E11D48;             /* Rosa vibrante para CTAs */
  
  /* Neutros Refinados */
  --eco-white: #FFFFFF;
  --eco-gray-50: #F8FAFC;
  --eco-gray-100: #F1F5F9;
  --eco-gray-200: #E2E8F0;
  --eco-gray-300: #CBD5E1;
  --eco-gray-400: #94A3B8;
  --eco-gray-500: #64748B;
  --eco-gray-600: #475569;
  --eco-gray-700: #334155;
  --eco-gray-800: #1E293B;
  --eco-gray-900: #0F172A;
  
  /* Colores Semánticos */
  --eco-success: #22C55E;
  --eco-warning: #F59E0B;
  --eco-error: #EF4444;
  --eco-info: #3B82F6;
  
  /* Gradientes Sofisticados */
  --eco-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --eco-gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #3730A3 100%);
  --eco-gradient-accent: linear-gradient(135deg, #EA580C 0%, #D97706 100%);
  --eco-gradient-success: linear-gradient(135deg, #059669 0%, #0F766E 100%);
  --eco-gradient-subtle: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  
  /* Gradientes con Textura */
  --eco-texture-primary: 
    linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%),
    radial-gradient(circle at 20% 80%, rgba(55, 48, 163, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(234, 88, 12, 0.2) 0%, transparent 50%);
    
  --eco-texture-surface: 
    linear-gradient(135deg, rgba(248, 250, 252, 0.9) 0%, rgba(241, 245, 249, 0.7) 100%),
    radial-gradient(circle at 30% 70%, rgba(5, 150, 105, 0.1) 0%, transparent 50%);
}

/* ========================================
   2. TIPOGRAFÍA MEJORADA
   ======================================== */

:root {
  /* Familias de Fuentes */
  --eco-font-display: 'Fraunces', Georgia, serif;      /* Para títulos importantes */
  --eco-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --eco-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Escalas Tipográficas Mejoradas */
  --eco-text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --eco-text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --eco-text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --eco-text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --eco-text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
  --eco-text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
  --eco-text-3xl: clamp(1.875rem, 1.6rem + 1.4vw, 3rem);
  --eco-text-4xl: clamp(2.25rem, 1.8rem + 2.25vw, 4rem);
  --eco-text-5xl: clamp(3rem, 2.2rem + 4vw, 6rem);
  
  /* Pesos de Fuente */
  --eco-weight-thin: 200;
  --eco-weight-light: 300;
  --eco-weight-normal: 400;
  --eco-weight-medium: 500;
  --eco-weight-semibold: 600;
  --eco-weight-bold: 700;
  --eco-weight-extrabold: 800;
  --eco-weight-black: 900;
  
  /* Alturas de Línea */
  --eco-leading-tight: 1.1;
  --eco-leading-snug: 1.25;
  --eco-leading-normal: 1.5;
  --eco-leading-relaxed: 1.75;
  --eco-leading-loose: 2;
  
  /* Espaciado de Letras */
  --eco-tracking-tighter: -0.05em;
  --eco-tracking-tight: -0.025em;
  --eco-tracking-normal: 0;
  --eco-tracking-wide: 0.025em;
  --eco-tracking-wider: 0.05em;
  --eco-tracking-widest: 0.1em;
}

/* ========================================
   3. ESPACIADO OPTIMIZADO
   ======================================== */
:root {
  /* Escala de Espaciado Mejorada */
  --eco-space-0: 0;
  --eco-space-px: 1px;
  --eco-space-0-5: 0.125rem;   /* 2px */
  --eco-space-1: 0.25rem;      /* 4px */
  --eco-space-1-5: 0.375rem;   /* 6px */
  --eco-space-2: 0.5rem;       /* 8px */
  --eco-space-2-5: 0.625rem;   /* 10px */
  --eco-space-3: 0.75rem;      /* 12px */
  --eco-space-3-5: 0.875rem;   /* 14px */
  --eco-space-4: 1rem;         /* 16px */
  --eco-space-5: 1.25rem;      /* 20px */
  --eco-space-6: 1.5rem;       /* 24px */
  --eco-space-7: 1.75rem;      /* 28px */
  --eco-space-8: 2rem;         /* 32px */
  --eco-space-9: 2.25rem;      /* 36px */
  --eco-space-10: 2.5rem;      /* 40px */
  --eco-space-11: 2.75rem;     /* 44px */
  --eco-space-12: 3rem;        /* 48px */
  --eco-space-14: 3.5rem;      /* 56px */
  --eco-space-16: 4rem;        /* 64px */
  --eco-space-20: 5rem;        /* 80px */
  --eco-space-24: 6rem;        /* 96px */
  --eco-space-28: 7rem;        /* 112px */
  --eco-space-32: 8rem;        /* 128px */
  
  /* Contenedores Responsivos */
  --eco-container-xs: 20rem;    /* 320px */
  --eco-container-sm: 24rem;    /* 384px */
  --eco-container-md: 28rem;    /* 448px */
  --eco-container-lg: 32rem;    /* 512px */
  --eco-container-xl: 36rem;    /* 576px */
  --eco-container-2xl: 42rem;   /* 672px */
  --eco-container-3xl: 48rem;   /* 768px */
  --eco-container-4xl: 56rem;   /* 896px */
  --eco-container-5xl: 64rem;   /* 1024px */
  --eco-container-6xl: 72rem;   /* 1152px */
  --eco-container-7xl: 80rem;   /* 1280px */
}

/* ========================================
   4. EFECTOS Y SOMBRAS SOFISTICADAS
   ======================================== */
:root {
  /* Sombras Elegantes */
  --eco-shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --eco-shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.1), 0 1px 2px 0 rgba(15, 23, 42, 0.06);
  --eco-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
  --eco-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --eco-shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --eco-shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  --eco-shadow-inner: inset 0 2px 4px 0 rgba(15, 23, 42, 0.06);
  
  /* Sombras Coloreadas */
  --eco-shadow-blue: 0 10px 25px -5px rgba(55, 48, 163, 0.3);
  --eco-shadow-teal: 0 10px 25px -5px rgba(15, 118, 110, 0.3);
  --eco-shadow-orange: 0 10px 25px -5px rgba(234, 88, 12, 0.3);
  
  /* Sombras para Hover */
  --eco-shadow-hover: 0 20px 40px -10px rgba(15, 23, 42, 0.2);
  --eco-shadow-glow: 0 0 20px rgba(55, 48, 163, 0.4);
  
  /* Bordes Redondeados */
  --eco-radius-none: 0;
  --eco-radius-sm: 0.125rem;     /* 2px */
  --eco-radius-md: 0.375rem;     /* 6px */
  --eco-radius-lg: 0.5rem;       /* 8px */
  --eco-radius-xl: 0.75rem;      /* 12px */
  --eco-radius-2xl: 1rem;        /* 16px */
  --eco-radius-3xl: 1.5rem;      /* 24px */
  --eco-radius-4xl: 2rem;        /* 32px */
  --eco-radius-full: 9999px;
  
  /* Transiciones Suaves */
  --eco-transition-fast: 100ms ease-out;
  --eco-transition-base: 200ms ease-out;
  --eco-transition-slow: 300ms ease-out;
  --eco-transition-slower: 500ms ease-out;
  
  /* Easing Personalizado */
  --eco-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --eco-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --eco-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --eco-ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --eco-ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========================================
   5. COMPONENTES SOFISTICADOS
   ======================================== */

/* Botones Mejorados */
.eco-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--eco-space-3) var(--eco-space-6);
  font-family: var(--eco-font-body);
  font-size: var(--eco-text-base);
  font-weight: var(--eco-weight-semibold);
  line-height: var(--eco-leading-tight);
  border-radius: var(--eco-radius-xl);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  overflow: hidden;
  transition: all var(--eco-transition-base);
  letter-spacing: var(--eco-tracking-wide);
  text-transform: uppercase;
  font-size: var(--eco-text-sm);
}

.eco-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--eco-transition-slow);
}

.eco-btn:hover::before {
  left: 100%;
}

.eco-btn-primary {
  background: var(--eco-gradient-primary);
  color: var(--eco-white);
  box-shadow: var(--eco-shadow-lg), var(--eco-shadow-blue);
}

.eco-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--eco-shadow-xl), var(--eco-shadow-glow);
}

.eco-btn-secondary {
  background: var(--eco-white);
  color: var(--eco-deep-blue);
  border: 2px solid var(--eco-gray-200);
  box-shadow: var(--eco-shadow-sm);
}

.eco-btn-secondary:hover {
  background: var(--eco-gray-50);
  border-color: var(--eco-indigo);
  color: var(--eco-indigo);
  transform: translateY(-1px);
  box-shadow: var(--eco-shadow-md);
}

.eco-btn-accent {
  background: var(--eco-gradient-accent);
  color: var(--eco-white);
  box-shadow: var(--eco-shadow-lg), var(--eco-shadow-orange);
}

.eco-btn-accent:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--eco-shadow-xl), var(--eco-shadow-orange);
}

/* Cards Elegantes */
.eco-card {
  background: var(--eco-white);
  border-radius: var(--eco-radius-3xl);
  padding: var(--eco-space-8);
  box-shadow: var(--eco-shadow-md);
  border: 1px solid var(--eco-gray-100);
  transition: all var(--eco-transition-base);
  position: relative;
  overflow: hidden;
}

.eco-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--eco-gradient-primary);
  transform: scaleX(0);
  transition: transform var(--eco-transition-base);
  transform-origin: left;
}

.eco-card:hover::before {
  transform: scaleX(1);
}

.eco-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--eco-shadow-xl);
  border-color: var(--eco-gray-200);
}

/* Inputs Modernos */
.eco-input {
  width: 100%;
  padding: var(--eco-space-4) var(--eco-space-4);
  font-family: var(--eco-font-body);
  font-size: var(--eco-text-base);
  background: var(--eco-white);
  border: 2px solid var(--eco-gray-200);
  border-radius: var(--eco-radius-xl);
  transition: all var(--eco-transition-base);
  outline: none;
}

.eco-input:focus {
  border-color: var(--eco-indigo);
  box-shadow: 0 0 0 4px rgba(55, 48, 163, 0.1);
  background: var(--eco-gray-50);
}

/* Badges y Tags */
.eco-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--eco-space-1) var(--eco-space-3);
  font-size: var(--eco-text-xs);
  font-weight: var(--eco-weight-semibold);
  border-radius: var(--eco-radius-full);
  letter-spacing: var(--eco-tracking-wide);
  text-transform: uppercase;
}

.eco-badge-primary {
  background: var(--eco-indigo);
  color: var(--eco-white);
}

.eco-badge-success {
  background: var(--eco-emerald);
  color: var(--eco-white);
}

.eco-badge-accent {
  background: var(--eco-orange);
  color: var(--eco-white);
}

/* ========================================
   6. UTILIDADES AVANZADAS
   ======================================== */

/* Glassmorphism */
.eco-glass {
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--eco-shadow-lg);
}

/* Neumorphism sutil */
.eco-neuro {
  background: var(--eco-gray-50);
  box-shadow: 
    inset 8px 8px 16px rgba(203, 213, 225, 0.4),
    inset -8px -8px 16px rgba(255, 255, 255, 0.8);
}

/* Efectos de hover sofisticados */
.eco-hover-lift {
  transition: all var(--eco-transition-base);
}

.eco-hover-lift:hover {
  transform: translateY(-4px);
}

.eco-hover-scale {
  transition: all var(--eco-transition-base);
}

.eco-hover-scale:hover {
  transform: scale(1.02);
}

/* Gradientes de texto */
.eco-text-gradient {
  background: var(--eco-gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eco-text-gradient-accent {
  background: var(--eco-gradient-accent);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ========================================
   7. RESPONSIVE Y MOBILE FIRST
   ======================================== */

/* Breakpoints */
@media (max-width: 640px) {
  :root {
    --eco-space-section: var(--eco-space-12);
    --eco-space-container: var(--eco-space-4);
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  :root {
    --eco-space-section: var(--eco-space-16);
    --eco-space-container: var(--eco-space-6);
  }
}

@media (min-width: 1025px) {
  :root {
    --eco-space-section: var(--eco-space-20);
    --eco-space-container: var(--eco-space-8);
  }
}

/* ========================================
   8. DARK MODE PREPARADO
   ======================================== */
@media (prefers-color-scheme: dark) {
  :root {
    --eco-background: var(--eco-gray-900);
    --eco-surface: var(--eco-gray-800);
    --eco-text-primary: var(--eco-gray-100);
    --eco-text-secondary: var(--eco-gray-300);
  }
}

/* ========================================
   9. ANIMACIONES SUAVES
   ======================================== */
@keyframes eco-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes eco-slide-in-right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes eco-pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(55, 48, 163, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(55, 48, 163, 0.6);
  }
}

.eco-animate-fade-in {
  animation: eco-fade-in-up 0.6s var(--eco-ease-out);
}

.eco-animate-slide-in {
  animation: eco-slide-in-right 0.8s var(--eco-ease-out);
}

.eco-animate-pulse {
  animation: eco-pulse-glow 2s infinite;
}

/* ========================================
   10. ACCESIBILIDAD MEJORADA
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.eco-focus-visible:focus-visible {
  outline: 3px solid var(--eco-orange);
  outline-offset: 2px;
}