/* ==========================================================================
   1. VARIABLES & RESET
   ========================================================================== */
:root {
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --primary: #F27A18;
  --primary-hover: #D96509;
  --whatsapp-color: #25D366;
  --whatsapp-hover: #1DA851;
  --bg-main: #121212;
  --bg-card: #1E1E1E;
  --bg-nav: rgba(18, 18, 18, 0.95);
  --text-main: #F5F5F5;
  --text-muted: #A0A0A0;
  --border-color: #2D2D2D;
}

[data-theme="light"] {
  --bg-main: #F8F9FA;
  --bg-card: #FFFFFF;
  --bg-nav: rgba(248, 249, 250, 0.95);
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --border-color: #E5E7EB;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-family: var(--font-family); }
body { background-color: var(--bg-main); color: var(--text-main); line-height: 1.6; font-size: 16px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; }

/* NAVBAR */
.navbar { position: sticky; top: 0; z-index: 1000; background: var(--bg-nav); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); padding: 12px 0; }
.navbar-container { display: flex; justify-content: space-between; align-items: center; }
.logo-box { cursor: pointer; display: flex; align-items: center; user-select: none; }
.brand-logo { height: 44px; width: auto; color: var(--text-main); overflow: visible; }

.nav-links { display: flex; gap: 24px; }
.nav-link { font-weight: 500; font-size: 0.95rem; color: var(--text-muted); transition: color 0.2s ease; }
.nav-link:hover { color: var(--primary); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.action-btn { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); width: 40px; height: 40px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.mobile-menu-btn { display: none; }

/* HERO */
.hero-section { padding: 80px 0 60px; text-align: center; background: radial-gradient(circle at top, rgba(242, 122, 24, 0.15) 0%, transparent 70%); }
.hero-badges { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.badge { background: var(--bg-card); border: 1px solid var(--border-color); padding: 6px 14px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; }
.badge-accent { border-color: var(--primary); color: var(--primary); }
.hero-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; margin-bottom: 16px; }
.hero-subtitle { max-width: 650px; margin: 0 auto 30px; color: var(--text-muted); font-size: 1rem; }

.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; cursor: pointer; border: none; }
.btn-primary { background: var(--primary); color: #FFF; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-card); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-whatsapp { background: var(--whatsapp-color); color: #FFF; width: 100%; justify-content: center; }

/* CATÁLOGO */
.catalog-section, .requirements-section, .contact-section { padding: 60px 0; border-top: 1px solid var(--border-color); }
.section-header { text-align: center; margin-bottom: 30px; }
.section-title { font-size: 2rem; font-weight: 700; }
.section-subtitle { color: var(--text-muted); font-size: 0.95rem; }

.filter-bar { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-btn { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-muted); padding: 8px 18px; border-radius: 50px; cursor: pointer; font-family: inherit; font-size: 0.9rem; transition: all 0.2s ease; }
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #FFF; border-color: var(--primary); }

.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 24px; }
.tool-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }

/* OPTIMIZACIÓN Y MARCO LIMPIO DE IMÁGENES */
.tool-image-wrapper { 
  height: 220px; 
  background-color: #FFFFFF; 
  position: relative; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}
.tool-image { 
  max-width: 100%; 
  max-height: 100%; 
  width: auto; 
  height: auto; 
  object-fit: contain; 
  filter: drop-shadow(0px 2px 4px rgba(0, 0, 0, 0.08));
  transition: transform 0.3s ease;
}
.tool-card:hover .tool-image {
  transform: scale(1.04);
}

.tool-status { position: absolute; top: 10px; right: 10px; padding: 4px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; background: rgba(37, 211, 102, 0.9); color: #FFF; }

.tool-content { padding: 18px; display: flex; flex-direction: column; flex-grow: 1; }
.tool-category { font-size: 0.75rem; text-transform: uppercase; color: var(--primary); font-weight: 700; }
.tool-title { font-size: 1.15rem; font-weight: 700; margin: 4px 0; }
.tool-model { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }

/* REQUISITOS & CONTACTO */
.requirements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-bottom: 40px; }
.requirement-card { background: var(--bg-card); border: 1px solid var(--border-color); padding: 24px; border-radius: 12px; position: relative; }
.req-number { font-size: 2rem; font-weight: 800; color: var(--primary); opacity: 0.2; position: absolute; top: 12px; right: 16px; }
.req-icon { font-size: 1.8rem; color: var(--primary); margin-bottom: 12px; }
.req-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.req-desc { color: var(--text-muted); font-size: 0.88rem; }
.requirements-cta { background: var(--bg-card); border: 1px solid var(--primary); border-radius: 12px; padding: 28px; text-align: center; max-width: 700px; margin: 0 auto; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-icon { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--primary); width: 44px; height: 44px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.contact-map { height: 320px; border-radius: 12px; overflow: hidden; border: 1px solid var(--border-color); }

.footer { background: var(--bg-card); border-top: 1px solid var(--border-color); padding: 24px 0; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* ESTILOS PANEL ADMIN */
.admin-container { padding: 40px 20px; }
.admin-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.admin-card h2 { font-size: 1.25rem; color: var(--primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }

.admin-form { display: flex; flex-direction: column; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 0.82rem; font-weight: 600; }
.form-group input, .form-group select { background: var(--bg-main); border: 1px solid var(--border-color); color: var(--text-main); padding: 10px; border-radius: 6px; font-family: inherit; font-size: 0.9rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.admin-item { display: flex; justify-content: space-between; align-items: center; padding: 12px; border-bottom: 1px solid var(--border-color); font-size: 0.9rem; }
.admin-actions-btns { display: flex; gap: 8px; align-items: center; }

.btn-edit { background: #3182CE; color: #FFF; border: none; padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.btn-delete { background: #E53E3E; color: #FFF; border: none; padding: 6px 12px; border-radius: 6px; cursor: pointer; }

.hidden { display: none !important; }

@media (max-width: 768px) {
  .mobile-menu-btn { display: flex; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border-color); flex-direction: column; padding: 20px; gap: 16px; text-align: center; }
  .nav-links.active { display: flex; }
  .contact-grid, .form-row { grid-template-columns: 1fr; }
}