/* ==========================================================================
   KUDEN DESIGN SYSTEM — TOKENS & GLOBALS (kuden-tokens.css)
   Basado en la especificación oficial Kuden_Design_System.md
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Paleta Core Global */
  --kuden-indigo: #635BFF;
  --electric-violet: #7E5CFF;
  --cyan-pulse: #37D7FF;
  --aurora-blue: #00A6FF;
  
  /* Estados Semánticos */
  --success: #16D38A;
  --warning: #F6B940;
  --danger: #FF5E73;
  
  /* Tipografía */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Radios de Esquina (Radii) */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 28px;
  
  /* ==========================================================================
     LIGHT MODE (DEFAULT)
     ========================================================================== */
  --bg-primary: #F8FAFF;
  --bg-secondary: #EEF2F9;
  --bg-radial: radial-gradient(circle at 50% 20%, #F8FAFF 0%, #EEF2F9 80%);
  --bg-card: #FFFFFF;
  
  /* Glassmorphism Light */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(99, 91, 255, 0.12);
  --glass-shadow: 0 30px 80px rgba(99, 91, 255, 0.10);
  
  /* Textos Light */
  --text-title: #101828;
  --text-main: #101828;
  --text-secondary: #667085;
  --text-tertiary: #98A2B3;
  
  /* Navbar Light */
  --nav-bg: rgba(248, 250, 255, 0.85);
  --nav-border: rgba(99, 91, 255, 0.10);
  
  /* Botones y acentos */
  --btn-primary-bg: linear-gradient(135deg, var(--kuden-indigo), var(--electric-violet));
  --btn-primary-shadow: 0 8px 24px rgba(99, 91, 255, 0.35);
  --btn-secondary-bg: rgba(99, 91, 255, 0.08);
  --btn-secondary-border: rgba(99, 91, 255, 0.20);
  --btn-secondary-text: var(--kuden-indigo);
}

/* ==========================================================================
   DARK MODE (NIGHTFALL)
   ========================================================================== */
html[data-theme="dark"] {
  --bg-primary: #1C2035;
  --bg-secondary: #171A2F;
  --bg-radial: radial-gradient(circle at 50% 20%, #1C2035 0%, #0D1020 80%);
  --bg-card: #0D1020;
  
  /* Glassmorphism Dark */
  --glass-bg: rgba(28, 32, 53, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 30px 80px rgba(0, 0, 0, 0.65);
  
  /* Textos Dark */
  --text-title: #FFFFFF;
  --text-main: #FFFFFF;
  --text-secondary: #A9B0C3;
  --text-tertiary: #6E768A;
  
  /* Navbar Dark */
  --nav-bg: rgba(28, 32, 53, 0.85);
  --nav-border: rgba(255, 255, 255, 0.08);
  
  /* Botones secundaria Dark */
  --btn-secondary-bg: rgba(255, 255, 255, 0.06);
  --btn-secondary-border: rgba(255, 255, 255, 0.15);
  --btn-secondary-text: #FFFFFF;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-radial);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-title);
  letter-spacing: -0.02em;
  line-height: 1.25;
  transition: color 0.4s ease;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

ul {
  list-style: none;
}

/* ==========================================================================
   GLOBAL NAVBAR (SHARED ACROSS SUITE)
   ========================================================================== */
.kuden-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--nav-border);
  padding: 16px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

.kuden-navbar .nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-title);
  letter-spacing: -0.03em;
}

.kuden-navbar .nav-logo span {
  background: linear-gradient(135deg, var(--kuden-indigo), var(--cyan-pulse));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.kuden-navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.kuden-navbar .nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.kuden-navbar .nav-links a:hover,
.kuden-navbar .nav-links a.active {
  color: var(--cyan-pulse);
}

.kuden-navbar .nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan-pulse);
  border-radius: 2px;
}

.kuden-navbar .nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Botón Conmutador de Tema (Dark/Light) */
.theme-switch-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  color: var(--text-main);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-switch-btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-pulse);
  color: var(--cyan-pulse);
}

/* Botón CTA Global */
.btn-primary {
  background: var(--btn-primary-bg);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: var(--btn-primary-shadow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(126, 92, 255, 0.55);
}

.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--btn-secondary-border);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: var(--cyan-pulse);
  color: var(--cyan-pulse);
  transform: translateY(-2px);
}

/* Badges / Kickers */
.badge-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(126, 92, 255, 0.15);
  border: 1px solid rgba(126, 92, 255, 0.35);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan-pulse);
  margin-bottom: 20px;
}

/* Container común */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Footer Compartido */
.kuden-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--glass-border);
  padding: 60px 5% 40px;
  margin-top: 100px;
}

.kuden-footer .footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.kuden-footer .footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 320px;
}

.kuden-footer h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-title);
}

.kuden-footer ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kuden-footer ul a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.kuden-footer ul a:hover {
  color: var(--cyan-pulse);
}

.kuden-footer .footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

@media (max-width: 992px) {
  .kuden-navbar .nav-links {
    display: none;
  }
  .kuden-footer .footer-grid {
    grid-template-columns: 1fr;
  }
}