/* === LENDCASH DESIGN SYSTEM === */

/* Fuentes — importar desde Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* Tokens de color */
:root {
  --color-primary: #1A56FF;
  --color-primary-dark: #1240CC;
  --color-primary-light: #E8EEFF;
  --color-accent: #00C896;
  --color-accent-dark: #00A87E;
  --color-bg: #F8FAFF;
  --color-surface: #FFFFFF;
  --color-text: #0F172A;
  --color-text-secondary: #64748B;
  --color-border: #E2E8F0;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-success: #10B981;

  /* Espaciado */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Tipografía */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;
  --text-4xl: 40px;
  --text-5xl: 52px;

  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-primary: 0 4px 20px rgba(26,86,255,0.25);

  /* Transiciones */
  --transition: all 0.2s ease;
}

/* Reset y base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* Componentes reutilizables */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: 600;
  border: none; cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-1px); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary-light); }
.btn-ghost { background: transparent; color: var(--color-text-secondary); }
.btn-ghost:hover { color: var(--color-text); }
.btn-lg { padding: 18px 36px; font-size: var(--text-lg); }
.btn-sm { padding: 10px 20px; font-size: var(--text-sm); }

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.badge {
  display: inline-flex; align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-popular { background: var(--color-accent); color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg); }
.container-sm { max-width: 800px; margin: 0 auto; padding: 0 var(--space-lg); }

.section { padding: var(--space-3xl) 0; }
.section-sm { padding: var(--space-2xl) 0; }

.section-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}
.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* Grid system */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: var(--space-sm); font-weight: 700; font-size: var(--text-lg); color: var(--color-text); }
.nav-logo img { width: 32px; height: 32px; border-radius: var(--radius-sm); }
.nav-links { display: flex; align-items: center; gap: var(--space-xl); list-style: none; }
.nav-links a { font-size: var(--text-sm); font-weight: 500; color: var(--color-text-secondary); }
.nav-links a:hover { color: var(--color-text); }
.nav-cta { display: flex; align-items: center; gap: var(--space-md); }

/* Footer */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-2xl); margin-bottom: var(--space-2xl); }
.footer-brand p { font-size: var(--text-sm); line-height: 1.7; margin-top: var(--space-md); max-width: 280px; }
.footer-col h4 { color: #fff; font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-md); letter-spacing: 0.5px; text-transform: uppercase; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a { font-size: var(--text-sm); color: rgba(255,255,255,0.6); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-lg); display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: var(--text-sm); }

/* Mockup teléfono CSS */
.phone-mockup {
  width: 260px;
  background: #1a1a1a;
  border-radius: 44px;
  padding: 12px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.05);
  position: relative;
  flex-shrink: 0;
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 6px;
  background: #333;
  border-radius: 3px;
}
.phone-screen {
  border-radius: 34px;
  overflow: hidden;
  background: #fff;
  aspect-ratio: 9/19.5;
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}
@media (max-width: 768px) {
  :root { --text-5xl: 36px; --text-4xl: 28px; --text-3xl: 24px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.nav-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--space-md);
  }
  .nav-hamburger { display: block !important; }
  .section { padding: var(--space-2xl) 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .phone-mockup { width: 200px; }
}