:root {
  --bg-color: #0d1117;
  --surface-color: rgba(22, 27, 34, 0.7);
  --primary-color: #00ff88;
  --secondary-color: #00b8ff;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --font-main: 'Outfit', sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 15% 50%, rgba(0, 255, 136, 0.05), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(0, 184, 255, 0.05), transparent 25%);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.text-center { text-align: center; }

/* Typography */
h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 1.5rem; font-weight: 800; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; font-weight: 600; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; font-weight: 600; }
p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 1.1rem; }
.highlight { 
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* Glassmorphism */
.glass-card {
  background: var(--surface-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}
.glass-card:hover { transform: translateY(-5px); border-color: rgba(0, 255, 136, 0.3); }

/* Header */
.header { padding: 1.5rem 0; position: sticky; top: 0; z-index: 100; backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border); }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.5rem; font-weight: 800; }

/* Buttons */
.btn {
  display: inline-flex; justify-content: center; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.8rem; border-radius: 50px; text-decoration: none; font-weight: 600;
  transition: var(--transition); border: none; cursor: pointer; font-family: var(--font-main);
  text-align: center;
}
.btn-primary { 
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); 
  color: var(--bg-color); 
  box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}
.btn-primary:hover { box-shadow: 0 8px 25px rgba(0, 255, 136, 0.5); transform: translateY(-2px) scale(1.02); color: var(--bg-color); }
.btn-large { padding: 1rem 2.5rem; font-size: 1.2rem; }

/* Animations */
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4); } 70% { box-shadow: 0 0 0 15px rgba(0, 255, 136, 0); } 100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); } }
.pulse { animation: pulse 2s infinite; }

@keyframes pulse-strong {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.6); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(0, 255, 136, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); }
}
.pulse-strong { animation: pulse-strong 1.5s infinite linear; }

.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-left { opacity: 0; transform: translateX(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.visible { opacity: 1; transform: translate(0); }

/* Hero */
.hero { padding: 6rem 0; min-height: 80vh; display: flex; align-items: center; }
.badge { display: inline-block; padding: 0.4rem 1rem; border-radius: 50px; background: rgba(0, 255, 136, 0.1); color: var(--primary-color); font-weight: 600; margin-bottom: 1.5rem; font-size: 0.9rem; border: 1px solid rgba(0, 255, 136, 0.2); }
.trust-card { display: flex; flex-direction: column; gap: 1.5rem; }
.trust-stat h3 { color: var(--primary-color); font-size: 2rem; margin-bottom: 0.2rem; }
.trust-stat p { margin: 0; font-size: 1rem; }

/* Steps */
.step-card { background: var(--surface-color); padding: 2.5rem; border-radius: 20px; border: 1px solid var(--glass-border); position: relative; overflow: hidden; }
.step-number { position: absolute; top: -10px; right: -10px; font-size: 6rem; font-weight: 800; color: rgba(255, 255, 255, 0.03); line-height: 1; }

.check-list { list-style: none; }
.check-list li { margin-bottom: 1rem; font-size: 1.1rem; color: var(--text-primary); display: flex; align-items: center; gap: 0.8rem; }

/* Reviews */
.review-card { background: var(--surface-color); padding: 2rem; border-radius: 20px; border: 1px solid var(--glass-border); }
.review-stars { color: #ffd700; margin-bottom: 1rem; font-size: 1.2rem; }
.review-author { display: block; margin-top: 1rem; font-weight: 600; color: var(--primary-color); }

/* Form */
.contact-form-card { max-width: 600px; margin: 3rem auto 0; text-align: left; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--text-primary); }
.form-control { width: 100%; padding: 1rem; border-radius: 12px; border: 1px solid var(--glass-border); background: rgba(0, 0, 0, 0.2); color: var(--text-primary); font-family: var(--font-main); font-size: 1rem; outline: none; transition: var(--transition); }
.form-control:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1); }
.submit-btn { width: 100%; margin-top: 1rem; }

/* Footer */
.footer { border-top: 1px solid var(--glass-border); padding: 4rem 0 2rem; background: rgba(0,0,0,0.3); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 4rem; margin-bottom: 3rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.8rem; color: var(--text-secondary); }
.footer-bottom { text-align: center; border-top: 1px dotted var(--glass-border); padding-top: 2rem; color: var(--text-secondary); font-size: 0.9rem; }
.footer-bottom a { color: var(--primary-color); text-decoration: none; }

/* Responsive */
@media (max-width: 768px) {
  .header-container { flex-direction: column; gap: 1rem; text-align: center; }
  .logo { justify-content: center; align-items: center; width: 100%; }
  .grid-2, .grid-3, .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  h1 { font-size: 2.5rem; }
  .hero { padding: 3rem 0; text-align: center; }
  #choiceStep div { grid-template-columns: 1fr !important; }
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#choiceStep, #successBlock {
    animation: fade-in 0.5s ease-out;
}

/* Social Links */
.social-links { display: flex; gap: 1rem; margin-top: 1rem; }
.social-icon { 
    display: flex; align-items: center; justify-content: center;
    width: 45px; height: 45px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary); text-decoration: none;
    font-size: 1.2rem; transition: var(--transition);
    border: 1px solid var(--glass-border);
}
.social-icon:hover { 
    transform: translateY(-3px);
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.social-icon.whatsapp:hover { background: rgba(37, 211, 102, 0.1); color: #25d366; border-color: #25d366; }
.social-icon.facebook:hover { background: rgba(24, 119, 242, 0.1); color: #1877f2; border-color: #1877f2; }
.social-icon.instagram:hover { background: rgba(225, 48, 108, 0.1); color: #e1306c; border-color: #e1306c; }

@media (max-width: 768px) {
    .social-links { justify-content: center; }
}