/* Car Audio Pro - Styles
   Tema: Oscuro automotriz (negro + verde 🟢)
*/

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --text: #f5f5f5;
  --text-muted: #999;
  --primary: #00e676;
  --primary-dark: #00c853;
  --primary-glow: rgba(0, 230, 118, 0.3);
  --border: #222;
  --whatsapp: #25d366;
  --radius: 12px;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 70px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.text-green { color: var(--primary); }

/* === Navbar === */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,230,118,0.1); }
.nav-container {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 20px; height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.1rem; }
.logo-icon { font-size: 1.3rem; }
.nav-menu { display: flex; gap: 4px; }
.nav-menu a {
  padding: 8px 14px; border-radius: 8px; font-size: 0.9rem; color: var(--text-muted);
  transition: all 0.2s;
}
.nav-menu a:hover { color: var(--primary); background: rgba(0,230,118,0.1); }
.nav-whatsapp-btn {
  background: var(--whatsapp); color: #fff;
  padding: 8px 16px; border-radius: 8px; font-size: 0.9rem; font-weight: 600;
  display: flex; align-items: center; gap: 6px; transition: transform 0.2s;
}
.nav-whatsapp-btn:hover { transform: scale(1.05); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

@media (max-width: 768px) {
  .nav-menu {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; background: var(--bg); padding: 16px;
    border-bottom: 1px solid var(--border); gap: 0;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px; border-radius: 0; }
  .nav-whatsapp-btn { display: none; }
  .nav-toggle { display: block; }
}

/* === Hero === */
.hero {
  position: relative; padding: 80px 20px; text-align: center;
  background: linear-gradient(135deg, #0a0a0a 0%, #0d1f0d 50%, #0a0a0a 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; opacity: 0.15;
  background: radial-gradient(circle at 30% 30%, var(--primary) 0%, transparent 40%),
              radial-gradient(circle at 70% 70%, var(--primary) 0%, transparent 40%);
}
.hero-content { position: relative; max-width: 800px; margin: 0 auto; }
.hero-badge {
  display: inline-block; background: rgba(0,230,118,0.15);
  color: var(--primary); padding: 6px 16px; border-radius: 20px;
  font-size: 0.85rem; font-weight: 600; margin-bottom: 20px;
}
.hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 8px; }
.hero-subtitle { font-size: 1.3rem; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.hero-desc { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 24px; }
.hero-benefits {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 32px;
}
.hero-benefits li {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); padding: 8px 16px; border-radius: 20px;
  font-size: 0.9rem; border: 1px solid var(--border);
}
.hero-benefits i { color: var(--primary); }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 10px; font-weight: 700; font-size: 1rem;
  cursor: pointer; border: none; transition: all 0.3s;
}
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,0.4); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #000; }
.btn-full { width: 100%; justify-content: center; }

/* === Section Headers === */
.section-header { text-align: center; margin-bottom: 48px; }
.section-badge {
  display: inline-block; background: rgba(0,230,118,0.15);
  color: var(--primary); padding: 6px 16px; border-radius: 20px;
  font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 16px;
}
.section-header h2 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.section-header p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* === Services === */
.services { padding: 80px 0; }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.3s; display: flex; flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px); border-color: var(--primary);
  box-shadow: 0 8px 30px rgba(0,230,118,0.1); background: var(--bg-card-hover);
}
.service-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: rgba(0,230,118,0.1); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  margin-bottom: 16px;
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.service-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; flex: 1; }
.service-link {
  color: var(--primary); font-size: 0.9rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}

/* === Gallery === */
.gallery-section { padding: 80px 0; background: #080808; }
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}
.gallery-item {
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); cursor: pointer; position: relative;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s;
}
.gallery-item:hover img { transform: scale(1.1); }

/* === Comunas === */
.comunas-section { padding: 80px 0; }
.comunas-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.comuna-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; font-size: 0.9rem; color: var(--text-muted);
  transition: all 0.2s;
}
.comuna-chip:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,230,118,0.05); }
.comuna-chip i { color: var(--primary); font-size: 0.8rem; }

/* === FAQ === */
.faq-section { padding: 80px 0; background: #080808; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 12px; padding: 20px; cursor: pointer;
}
.faq-item summary {
  font-weight: 700; font-size: 1rem; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--primary); transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 12px; color: var(--text-muted); font-size: 0.95rem; }

/* === Contact === */
.contact-section { padding: 80px 0; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 2fr; gap: 40px;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item i { font-size: 1.5rem; color: var(--primary); width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,230,118,0.1); border-radius: 10px; }
.contact-item h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-item p, .contact-item a { color: var(--text-muted); font-size: 0.9rem; }
.contact-form { display: flex; flex-direction: column; gap: 12px; }
.contact-form input, .contact-form select, .contact-form textarea {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; color: var(--text); font-size: 1rem; font-family: inherit;
  transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary);
}
.contact-form textarea { min-height: 120px; resize: vertical; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .section-header h2 { font-size: 1.5rem; }
}

/* === Footer === */
.footer { background: #050505; border-top: 1px solid var(--border); padding: 60px 0 20px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.1rem; margin-bottom: 16px; }
.footer-col p { color: var(--text-muted); font-size: 0.9rem; }
.footer-col h4 { font-size: 1rem; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.9rem; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-col ul li i { color: var(--primary); margin-right: 8px; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 20px; text-align: center;
  font-size: 0.8rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* === WhatsApp Float === */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--whatsapp); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  animation: pulse 2s infinite; transition: transform 0.3s;
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
  70% { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}