@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Plus+Jakarta+Sans:wght@400;600;700&display=swap');
@import 'variables.css';

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

/* Accesibilidad: Foco Visible WCAG AA */
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }

/* Header & Navegación */
.header { background: var(--color-surface); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 100; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: var(--spacing-sm) var(--spacing-md); display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; color: var(--color-secondary); text-decoration: none; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.logo span { color: var(--color-primary); }
.nav-links { display: flex; gap: var(--spacing-sm); list-style: none; }
.nav-link { text-decoration: none; color: var(--color-text); font-weight: 600; padding: 0.5rem; border-radius: var(--radius); transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--color-primary); background: rgba(255, 102, 0, 0.1); }

/* Banner de Simulación Honesta */
.banner-simulacion { background: var(--color-secondary); color: white; padding: var(--spacing-sm); text-align: center; font-size: 0.9rem; display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.banner-simulacion svg { width: 24px; height: 24px; fill: var(--color-primary); }

/* Componentes */
.btn { display: inline-block; padding: 0.75rem 1.5rem; background: var(--color-primary); color: white; border: none; border-radius: var(--radius); font-weight: 600; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn:hover { background: #E55C00; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-secondary { background: var(--color-secondary); }

/* Grid y Layout */
.container { max-width: 1200px; margin: 0 auto; padding: var(--spacing-lg) var(--spacing-md); }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-md); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-md); }

/* Tarjetas */
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: var(--spacing-md); transition: var(--transition); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--color-primary); }

/* Chatbot Flotante */
.chat-widget { position: fixed; bottom: 2rem; right: 2rem; z-index: 200; }
.chat-button { width: 60px; height: 60px; border-radius: 50%; background: var(--color-primary); color: white; border: none; cursor: pointer; box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.chat-button:hover { transform: scale(1.1); }
.chat-window { position: absolute; bottom: 80px; right: 0; width: 320px; height: 400px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); display: none; flex-direction: column; overflow: hidden; }
.chat-window.open { display: flex; animation: slideUp 0.3s ease; }
.chat-messages { flex: 1; padding: var(--spacing-sm); overflow-y: auto; display: flex; flex-direction: column; gap: 0.5rem; }
.chat-msg { padding: 0.75rem; border-radius: var(--radius); max-width: 85%; font-size: 0.9rem; }
.chat-msg.bot { background: var(--color-border); color: var(--color-text); align-self: flex-start; }
.chat-msg.user { background: var(--color-primary); color: white; align-self: flex-end; }
.chat-input-area { display: flex; border-top: 1px solid var(--color-border); }
.chat-input { flex: 1; padding: 0.75rem; border: none; background: var(--color-bg); color: var(--color-text); outline: none; }

/* FAQ Acordeón */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-btn { width: 100%; text-align: left; padding: var(--spacing-sm); background: none; border: none; color: var(--color-text); font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 var(--spacing-sm); color: var(--color-text-muted); }
.faq-content.open { max-height: 200px; padding-bottom: var(--spacing-sm); }

/* Modo Oscuro Toggle */
.theme-toggle { background: none; border: 1px solid var(--color-border); padding: 0.5rem; border-radius: 50%; cursor: pointer; color: var(--color-text); }

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-surface); flex-direction: column; padding: var(--spacing-md); border-bottom: 1px solid var(--color-border); }
  .nav-links.open { display: flex; }
  .mobile-menu-btn { display: block; background: none; border: none; font-size: 1.5rem; color: var(--color-text); cursor: pointer; }
}
@media (min-width: 769px) { .mobile-menu-btn { display: none; } }