/* ==========================================================================
   FEER — Custom Styles (complementa Tailwind CDN)
   ========================================================================== */

/* --- CSS Variables --- */
:root {
  --bg-base: #0B0F19;
  --bg-card: #1C2438;
  --bg-card-hover: #232b42;
  --primary: #3B82F6;
  --primary-glow: rgba(59, 130, 246, 0.45);
  --secondary: #6366F1;
  --accent: #58DDF5;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --success: #22C55E;
  --danger: #EF4444;
  --glass-bg: rgba(28, 36, 56, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}

/* --- Base Resets --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5 { font-family: 'Space Grotesk', sans-serif; font-weight: 700; line-height: 1.15; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }

/* --- Glassmorphism Utility --- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius);
}

/* --- Navbar --- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 24px rgba(0,0,0,0.3);
}
.nav-logo svg { transition: transform var(--transition); }
.nav-logo:hover svg { transform: scale(1.06); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-main); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Nav */
.mobile-menu {
  display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
  background: rgba(11, 15, 25, 0.97); backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center; gap: 32px;
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.25rem; font-weight: 500; transition: color var(--transition); }
.mobile-menu a:hover { color: var(--primary); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links { display: none !important; }
  .nav-cta-desktop { display: none !important; }
}

/* --- CTA Buttons --- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-sm);
  background: var(--primary); color: #fff; font-weight: 600; font-size: 0.95rem;
  border: none; transition: var(--transition);
  box-shadow: 0 0 20px var(--primary-glow), 0 4px 12px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  background: #2563EB; transform: translateY(-2px);
  box-shadow: 0 0 30px var(--primary-glow), 0 8px 20px rgba(0,0,0,0.4);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius-sm);
  background: transparent; color: var(--text-main); font-weight: 600; font-size: 0.95rem;
  border: 1px solid var(--glass-border); transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* --- Hero --- */
.hero-canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; opacity: 0.3;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px; font-size: 0.8rem; font-weight: 500;
  background: rgba(59, 130, 246, 0.12); border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--accent); margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); animation: pulse-dot 2s infinite; }
.hero-stats { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 32px; }
.hero-stat { text-align: center; }
.hero-stat .num { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.hero-stat .label { font-size: 0.75rem; color: var(--text-muted); }

/* Interactive graph area */
.hero-graph-container {
  position: relative; width: 100%; aspect-ratio: 1;
  max-width: 480px; margin: 0 auto;
}
.hero-graph-container canvas { width: 100%; height: 100%; }

/* --- Problem/Solution Section --- */
.problem-card, .solution-card {
  padding: 20px; border-radius: var(--radius-sm); transition: transform var(--transition);
}
.problem-card {
  background: rgba(239, 68, 68, 0.06); border: 1px solid rgba(239, 68, 68, 0.15);
}
.solution-card {
  background: rgba(34, 197, 94, 0.06); border: 1px solid rgba(34, 197, 94, 0.15);
}
.problem-card:hover, .solution-card:hover { transform: translateY(-4px); }

/* --- Service Cards --- */
.service-card {
  padding: 32px 24px; border-radius: var(--radius);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); transition: var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity var(--transition);
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(59,130,246,0.3); }
.service-card:hover::before { opacity: 1; }
.service-card.featured {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.1);
}
.service-card.featured::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: rgba(59, 130, 246, 0.1); color: var(--primary); font-size: 1.5rem; margin-bottom: 20px;
}
.badge-new {
  position: absolute; top: 16px; right: 16px;
  padding: 4px 12px; border-radius: 999px; font-size: 0.7rem; font-weight: 700;
  background: var(--primary); color: #fff; letter-spacing: 0.5px;
}

/* --- Programa Comercial --- */
.programa-card {
  padding: 36px 28px; border-radius: var(--radius);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); transition: var(--transition);
  position: relative;
}
.programa-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.25); }
.comision-badge {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-weight: 700; font-size: 0.85rem;
}

/* --- Testimonios --- */
.testimonial-card {
  padding: 28px 24px; border-radius: var(--radius);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.2); }
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; color: #fff;
}
.stars { color: #FBBF24; display: flex; gap: 2px; }

/* --- Form Multi-Step --- */
.form-container {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 40px 32px; max-width: 640px; margin: 0 auto;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.progress-bar { height: 4px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; margin-bottom: 32px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; transition: width 0.5s ease; }
.step-indicator { display: flex; justify-content: center; gap: 12px; margin-bottom: 28px; }
.step-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.1); transition: var(--transition);
}
.step-dot.active { background: var(--primary); box-shadow: 0 0 10px var(--primary-glow); }
.step-dot.completed { background: var(--success); }
.form-step { display: none; }
.form-step.active { display: block; animation: fadeInUp 0.4s ease; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-muted);
  margin-bottom: 8px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border);
  color: var(--text-main); font-family: inherit; font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.form-group select option { background: var(--bg-card); color: var(--text-main); }

/* Radio group */
.radio-group { display: flex; flex-direction: column; gap: 10px; }
.radio-option {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.02); cursor: pointer; transition: var(--transition);
}
.radio-option:hover { border-color: rgba(59,130,246,0.3); }
.radio-option input[type="radio"] { display: none; }
.radio-option .radio-circle {
  width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center; transition: var(--transition);
  flex-shrink: 0;
}
.radio-option input[type="radio"]:checked ~ .radio-circle {
  border-color: var(--primary);
}
.radio-option input[type="radio"]:checked ~ .radio-circle::after {
  content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--primary);
}
.radio-option input[type="radio"]:checked ~ span:last-child { color: var(--primary); }
.form-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; }
.form-error { color: var(--danger); font-size: 0.8rem; margin-top: 6px; display: none; }
.form-success {
  text-align: center; padding: 40px 20px;
}
.form-success i { font-size: 3rem; color: var(--success); margin-bottom: 16px; }

/* --- Scroll Animations --- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* --- Section Divider Glow --- */
.section-glow {
  position: absolute; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  filter: blur(80px); opacity: 0.15; pointer-events: none;
}

/* --- Footer --- */
.footer-link { transition: color var(--transition); }
.footer-link:hover { color: var(--primary); }

/* --- Keyframes --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50% { box-shadow: 0 0 35px var(--primary-glow), 0 0 60px rgba(59,130,246,0.2); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* --- Responsive Fine-Tuning --- */
@media (max-width: 640px) {
  .form-container { padding: 24px 16px; }
  .hero-stats { gap: 16px; justify-content: center; }
}