/* ==========================================================================
   GRUPO SUSTECH - DESIGN SYSTEM & GLOBAL TOKENS
   ========================================================================== */

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

:root {
  /* Brand Core Colors */
  --color-primary: #8cc74f;          /* Eco Green */
  --color-primary-dark: #6fa63a;     /* Darker Eco Green */
  --color-primary-light: #a6db70;    /* Vibrant Eco Green */
  --color-primary-glow: rgba(140, 199, 79, 0.35);

  --color-secondary: #21a9d8;        /* Tech Aqua / Water Blue */
  --color-secondary-dark: #0a7c9b;   /* Deep Cyan */
  --color-secondary-light: #50c2ea;  /* Sky Water */
  --color-secondary-glow: rgba(33, 169, 216, 0.35);

  --color-accent-gold: #f9ce2a;      /* Warm Gold / Energy */
  --color-accent-orange: #ff6400;    /* Industrial Safety Orange */

  /* Neutral Light Palette */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-subtle: #f1f5f9;
  --bg-surface-dark: #0f172a;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #94a3b8;
  --text-inverse: #ffffff;

  --border-color: #e2e8f0;
  --border-color-subtle: #f1f5f9;
  --border-glow: rgba(33, 169, 216, 0.3);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.07);

  /* Elevation Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 30px -8px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 24px 50px -12px rgba(15, 23, 42, 0.16);
  --shadow-glow: 0 0 35px var(--color-primary-glow);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-main: #090e1a;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-surface-subtle: #131d33;
  --bg-surface-dark: #020617;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --border-color: #1e293b;
  --border-color-subtle: #182235;

  --glass-bg: rgba(15, 23, 42, 0.82);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   BASE RESET & GLOBAL STYLES
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

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

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

img, svg {
  max-width: 100%;
  display: block;
}

/* ==========================================================================
   CORE UTILITIES & DESIGN SYSTEM ATOMS
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #0284c7 0%, #21a9d8 50%, #8cc74f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: rgba(140, 199, 79, 0.15);
  color: var(--color-primary-dark);
  border: 1px solid rgba(140, 199, 79, 0.3);
}
[data-theme="dark"] .badge-primary {
  color: var(--color-primary-light);
}

.badge-secondary {
  background: rgba(33, 169, 216, 0.15);
  color: var(--color-secondary-dark);
  border: 1px solid rgba(33, 169, 216, 0.3);
}
[data-theme="dark"] .badge-secondary {
  color: var(--color-secondary-light);
}

.badge-warning {
  background: rgba(249, 206, 42, 0.18);
  color: #b45309;
  border: 1px solid rgba(249, 206, 42, 0.4);
}
[data-theme="dark"] .badge-warning {
  color: #fbbf24;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
[data-theme="dark"] .badge-danger {
  color: #f87171;
}

/* Standard UI Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #76b139 100%);
  color: #0b1f07;
  font-weight: 700;
  box-shadow: 0 8px 20px -6px var(--color-primary-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  box-shadow: 0 12px 28px -4px var(--color-primary-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px -6px var(--color-secondary-glow);
}
.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border-color);
}
.btn-outline:hover {
  background: var(--bg-surface-subtle);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.btn-ms {
  background: #ffffff;
  color: #2f2f2f;
  border: 1px solid #d1d5db;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.btn-ms:hover {
  background: #f9fafb;
  border-color: #9ca3af;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  transform: translateY(-1px);
}
[data-theme="dark"] .btn-ms {
  background: #1e293b;
  color: #f8fafc;
  border-color: #334155;
}
[data-theme="dark"] .btn-ms:hover {
  background: #334155;
}

/* Glass Panels */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* Micro-animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes floatWater {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(1deg); }
}

.animate-fade-in {
  animation: fadeIn 0.4s var(--transition-smooth) forwards;
}

.animate-float {
  animation: floatWater 6s ease-in-out infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-surface-subtle);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #334155;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 320px;
  max-width: 440px;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
  animation: fadeIn 0.3s ease-out;
}

.toast-success {
  border-left: 4px solid var(--color-primary);
}
.toast-info {
  border-left: 4px solid var(--color-secondary);
}
.toast-warning {
  border-left: 4px solid var(--color-accent-gold);
}