/* Reset Moderno */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

/* Tipografía */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); color: var(--accent); margin-bottom: var(--spacing-sm); }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

/* Accesibilidad: Foco Visible */
:focus-visible {
  outline: 3px solid var(--secondary-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Layout & Componentes */
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: var(--spacing-md) 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.5rem; border-radius: var(--radius);
  background-color: var(--accent); color: var(--white);
  font-weight: 600; border: none; cursor: pointer;
  transition: var(--transition); gap: 0.5rem;
}
.btn:hover { background-color: var(--accent-hover); transform: translateY(-2px); }
.btn-secondary { background-color: var(--secondary-accent); color: var(--text-primary); }

/* Header & Nav */
.site-header {
  background-color: var(--bg-secondary); padding: var(--spacing-sm) 0;
  position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.nav-links { display: flex; gap: var(--spacing-sm); list-style: none; }
.nav-links a { color: var(--text-primary); font-weight: 500; padding: 0.5rem; border-radius: var(--radius); }
.nav-links a.active, .nav-links a:hover { background-color: var(--accent); color: var(--white); }

/* Mobile Menu */
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-primary); cursor: pointer; }
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 80%; height: 100vh;
    background-color: var(--bg-secondary); flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-md); transition: var(--transition);
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  }
  .nav-links.open { right: 0; }
}

/* Banner Honesto */
.honest-banner {
  background-color: var(--secondary-accent); color: var(--text-primary);
  text-align: center; padding: var(--spacing-xs); font-size: 0.9rem; font-weight: 600;
}

/* Chatbot & Constructor */
.chat-widget {
  position: fixed; bottom: 20px; right: 20px; width: 350px;
  background: var(--bg-secondary); border-radius: var(--radius);
  box-shadow: var(--shadow); z-index: 90; overflow: hidden;
  border: 1px solid var(--accent);
}
.chat-header { background: var(--accent); color: white; padding: 1rem; cursor: pointer; display: flex; justify-content: space-between; }
.chat-body { height: 300px; overflow-y: auto; padding: 1rem; display: none; }
.chat-body.open { display: block; }
.chat-msg { margin-bottom: 0.5rem; padding: 0.5rem; border-radius: var(--radius); max-width: 85%; }
.chat-msg.bot { background: var(--bg-primary); align-self: flex-start; }
.chat-msg.user { background: var(--secondary-accent); margin-left: auto; color: var(--text-primary); }

/* Modal Login */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: none; justify-content: center; align-items: center; z-index: 200;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-primary); padding: var(--spacing-md);
  border-radius: var(--radius); width: 90%; max-width: 400px;
  box-shadow: var(--shadow); position: relative;
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
.form-group input {
  width: 100%; padding: 0.75rem; border: 1px solid var(--text-secondary);
  border-radius: var(--radius); background: var(--bg-secondary); color: var(--text-primary);
}

/* Footer */
.site-footer { background: var(--bg-secondary); padding: var(--spacing-md) 0; text-align: center; margin-top: var(--spacing-lg); }