/* ======================================
   Variables y Reset
====================================== */
:root {
  background: linear-gradient(135deg, #1a1c2b, #1a1c2b);
  --bg: #1a1c2b;
  --bg-card: #1a1c2b;   
  --primary: #2272FF;   
  --accent: #ff0000;    
  --text: #f5f6fa;      
  --muted: #a3a9b8;     
  --ok: #29d397;
  --radius: 15px;
  --shadow: 0 10px 25px rgba(0,0,0,0.5);
  --transition: 0.5s;
}

/* Modo claro */
body.light-mode {
  --bg: #ffffff;
  --bg-card: #f2f2f2;
  --primary: #2272FF;
  --accent: #ff0000;
  --text: #1d1d1d;
  --muted: #6b6b6b;
  --shadow: 0 10px 25px rgba(0,0,0,0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  scroll-behavior: smooth;
  font-family: 'Poppins', sans-serif;
}

a {
  text-decoration: none;
}

/* ======================================
   Header y Navegación
====================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 50px;
  background: transparent;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  color: var(--text);
}

header.scrolled {
  background: var(--bg-card);
  border-bottom-color: var(--accent);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  color: var(--text);
}

.logo img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
}

nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

nav a {
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
}

nav a:hover {
  color: var(--accent);
}

.btn-contact {
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-contact:hover {
  background: var(--primary);
}

.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.burger div {
  width: 28px;
  height: 3px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ======================================
   Aviso Legal
====================================== */
.legal-card {
  max-width: 900px;
  margin: 80px auto 60px auto;
  padding: 30px 25px;
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition) ease, box-shadow var(--transition) ease;
}

.legal-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.legal-card h1 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
  text-align: center;
}

.legal-card h2 {
  font-size: 1.5rem;
  color: var(--accent);
  margin-top: 20px;
  margin-bottom: 10px;
}

.legal-card p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 15px;
}

.legal-card a {
  color: var(--accent);
  text-decoration: underline;
  font-weight: bold;
}

.legal-card a:hover {
  color: var(--primary);
}

/* ======================================
   Footer
====================================== */
.footer {
  background: var(--bg-card);
  color: var(--text);
  padding: 40px 20px;
  text-align: center;
  border-top: 1px solid #333;
  transition: var(--transition);
}

.footer-contenedor {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-logo img {
  width: 60px;
  border-radius: 50%;
  box-shadow: 0 0 10px #ff0000;
  margin-bottom: 10px;
}

.footer-logo h3 {
  color: #ff0000;
  font-size: 1.5rem;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.footer-links a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #ff0000;
}

.footer-redes a {
  color: var(--text);
  margin: 0 10px;
  font-size: 1.2rem;
  transition: color 0.3s;
}

.footer-redes a:hover {
  color: #ff0000;
}

.footer-copy {
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Modo claro */
body.light-mode .footer {
  background: var(--bg-card);
  color: var(--text);
  border-top: 1px solid #ccc;
}

body.light-mode .footer-links a,
body.light-mode .footer-redes a,
body.light-mode .footer-copy {
  color: var(--text);
}

body.light-mode .footer-links a:hover,
body.light-mode .footer-redes a:hover {
  color: #ff0000;
}

/* ======================================
   WhatsApp Flotante
====================================== */
#whatsapp {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 50px;
  height: 50px;
  background-color: var(--ok);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease, background-color 0.3s;
  z-index: 1000;
  box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

#whatsapp:hover {
  background-color: var(--accent);
  transform: scale(1.1);
}

/* ======================================
   Scroll to Top
====================================== */
#scrollToTopBtn {
  position: fixed;
  bottom: 40px;
  left: 40px;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, background-color 0.3s;
  z-index: 1000;
}

#scrollToTopBtn:hover {
  background-color: var(--accent);
}

#scrollToTopBtn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ======================================
   Media Queries
====================================== */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .burger {
    display: flex;
  }

  nav {
    display: flex;
    flex-direction: column;
    width: 250px;
    height: 100%;
    position: fixed;
    left: -100%;
    top: 0;
    background: var(--bg-card);
    padding-top: 100px;
    gap: 20px;
    transition: var(--transition);
  }

  nav.show {
    left: 0;
  }
}