/* ===== VARIABLES ===== */
:root {
  --azul: #1a3a6b;
  --azul-btn: #2563c9;
  --blanco: #ffffff;
  --gris: #f4f6fb;
  --texto: #555;
  --borde: #dde3ef;
}

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

body { font-family: 'Segoe UI', Arial, sans-serif; color: #333; }

/* ===== ANIMACIÓN ===== */
@keyframes fadein {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fadein { animation: fadein 0.7s ease forwards; }
.animate-slideup { animation: fadein 0.8s ease 0.2s forwards; opacity: 0; }

/* ===== NAVBAR ===== */
.navbar {
  background: var(--blanco);
  border-bottom: 2px solid var(--borde);
  padding: 14px 0;
  position: sticky; top: 0; z-index: 100;
}
.nav-container {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.logo {
  font-size: 1.2rem; font-weight: 700; color: var(--azul);
  text-decoration: none; display: flex; align-items: center; gap: 8px;
}
.logo svg { color: var(--azul-btn); }
.nav-links { list-style: none; display: flex; gap: 28px; }
.nav-links a {
  text-decoration: none; color: #444; font-weight: 500;
  padding-bottom: 4px; border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--azul-btn); border-bottom-color: var(--azul-btn); }

/* ===== CABECERAS ===== */
.hero {
  background: linear-gradient(135deg, #122d57, #1e4a8c);
  color: var(--blanco); padding: 70px 24px;
  display: flex; align-items: center; justify-content: center;
  gap: 50px; flex-wrap: wrap;
}
.hero-tag { font-size: 0.78rem; letter-spacing: 2px; opacity: 0.7; margin-bottom: 12px; }
.hero-text h1 { font-size: 2.3rem; line-height: 1.2; margin-bottom: 16px; }
.hero-text p  { opacity: 0.85; line-height: 1.7; margin-bottom: 26px; }
.hero-img img { width: 100%; max-width: 430px; border-radius: 12px; box-shadow: 0 16px 40px rgba(0,0,0,0.3); }

.page-header {
  background: linear-gradient(135deg, #122d57, #1e4a8c);
  color: var(--blanco); text-align: center; padding: 60px 24px;
}
.page-header h1 { font-size: 2rem; margin: 10px 0; }
.page-header p  { opacity: 0.85; max-width: 600px; margin: 0 auto; line-height: 1.6; }

/* ===== IMAGEN BANNER ===== */
.full-img-banner { position: relative; height: 200px; overflow: hidden; }
.full-img-banner img { width: 100%; height: 100%; object-fit: cover; }
.img-overlay {
  position: absolute; inset: 0;
  background: rgba(18,45,87,0.55);
  display: flex; align-items: center; justify-content: center;
}
.img-overlay p { color: var(--blanco); font-size: 1.1rem; font-weight: 600; }

/* ===== BOTONES ===== */
.btn, .btn-primary {
  display: inline-block; background: var(--azul-btn); color: var(--blanco);
  padding: 11px 26px; border-radius: 6px; text-decoration: none;
  font-weight: 600; border: none; cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn:hover, .btn-primary:hover { background: #1a4fa0; transform: translateY(-2px); }

.btn-outline {
  display: inline-block; border: 2px solid var(--azul-btn); color: var(--azul-btn);
  padding: 9px 22px; border-radius: 6px; text-decoration: none;
  font-weight: 600; margin-top: 14px;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.btn-outline:hover { background: var(--azul-btn); color: var(--blanco); transform: translateY(-2px); }
.btn-primary { margin-top: 14px; }

/* ===== TARJETAS GENÉRICAS ===== */
.features, .stats-section {
  background: var(--azul); display: flex; flex-wrap: wrap;
  justify-content: center; gap: 12px; padding: 40px 24px;
}
.stats-section { background: var(--gris); }
.features-white { background: var(--gris); }

.feature-card, .stat-card {
  background: rgba(255,255,255,0.09); color: var(--blanco);
  border-radius: 10px; padding: 26px 20px; width: 210px; text-align: center;
  transition: transform 0.2s;
}
.feature-card:hover, .stat-card:hover { transform: translateY(-5px); }
.stat-card, .features-white .feature-card {
  background: var(--blanco); color: #333; border: 1px solid var(--borde);
}
.stat-card:hover, .features-white .feature-card:hover { box-shadow: 0 8px 22px rgba(0,0,0,0.08); }

.icon { margin-bottom: 10px; }
.icon svg, .features-white .icon svg, .stat-card .icon svg { color: var(--azul-btn); }
.features .icon svg { color: rgba(255,255,255,0.85); }
.feature-card h3, .stat-card h3 { font-size: 0.97rem; margin-bottom: 6px; }
.feature-card p,  .stat-card p  { font-size: 0.86rem; opacity: 0.78; line-height: 1.5; }

/* ===== ABOUT ===== */
.about { padding: 60px 24px; background: var(--blanco); }
.about-dark { background: var(--gris); }
.about-container {
  max-width: 1000px; margin: 0 auto;
  display: flex; gap: 44px; align-items: center; flex-wrap: wrap;
}
.about-text h2 { color: var(--azul); font-size: 1.5rem; margin-bottom: 14px; }
.about-text p  { color: var(--texto); line-height: 1.7; margin-bottom: 12px; font-size: 0.95rem; }
.about-img img { width: 100%; max-width: 380px; border-radius: 12px; box-shadow: 0 8px 28px rgba(0,0,0,0.12); }

/* ===== CONSEJOS ===== */
.tips { background: var(--azul); color: var(--blanco); padding: 60px 24px; }
.tips h2 { text-align: center; font-size: 1.4rem; margin-bottom: 34px; }
.tips-grid {
  max-width: 1000px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px;
}
.tip-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: rgba(255,255,255,0.08); border-radius: 10px; padding: 20px;
  transition: background 0.2s, transform 0.2s;
}
.tip-card:hover { background: rgba(255,255,255,0.14); transform: translateY(-3px); }
.tip-icon { flex-shrink: 0; opacity: 0.85; }
.tip-card h4 { font-size: 0.93rem; margin-bottom: 5px; }
.tip-card p  { font-size: 0.84rem; opacity: 0.78; line-height: 1.5; }

/* ===== PRODUCTOS ===== */
.products-section { padding: 60px 24px; background: var(--gris); }
.products-section h2 { text-align: center; color: var(--azul); font-size: 1.4rem; margin-bottom: 34px; }
.products-grid {
  max-width: 1000px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 22px;
}
.product-card {
  background: var(--blanco); border: 1px solid var(--borde); border-radius: 12px;
  padding: 26px 20px; text-align: center; position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 12px 28px rgba(0,0,0,0.09); }
.product-card.featured { border: 2px solid var(--azul-btn); }
.badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--azul-btn); color: var(--blanco);
  font-size: 0.74rem; font-weight: 700; padding: 4px 14px; border-radius: 20px;
}
.product-icon { margin-bottom: 12px; }
.product-icon svg { color: var(--azul-btn); display: block; margin: 0 auto; }
.product-card h3 { color: var(--azul); font-size: 0.98rem; margin-bottom: 12px; }
.product-card ul { list-style: none; text-align: left; font-size: 0.86rem; color: var(--texto); line-height: 2; margin-bottom: 8px; }
.product-card p  { font-size: 0.9rem; color: var(--texto); line-height: 1.6; }
.check { color: #2e9e5b; margin-right: 5px; }
.cross { color: #b0b8c8; margin-right: 5px; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--azul-btn); color: var(--blanco); padding: 40px 24px;
  display: flex; justify-content: center; align-items: center;
  gap: 28px; flex-wrap: wrap; text-align: center;
}
.cta-banner.dark { background: var(--azul); }
.cta-text h3 { font-size: 1.3rem; margin-bottom: 5px; }
.cta-text p  { opacity: 0.85; }
.cta-banner .btn { background: var(--blanco); color: var(--azul); }
.cta-banner .btn:hover { background: #e8eef8; }

/* ===== SERVICIOS ===== */
.services-section { padding: 60px 24px; background: var(--blanco); }
.services-section h2 { text-align: center; color: var(--azul); font-size: 1.4rem; margin-bottom: 34px; }
.services-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.service-card {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--gris); border-radius: 10px; padding: 24px;
  border-left: 4px solid var(--azul-btn);
  transition: transform 0.2s, box-shadow 0.2s;
}
.service-card:hover { transform: translateX(4px); box-shadow: 0 4px 16px rgba(0,0,0,0.07); }
.service-icon { flex-shrink: 0; }
.service-icon svg { color: var(--azul-btn); }
.service-text h3 { color: var(--azul); margin-bottom: 7px; }
.service-text p  { color: var(--texto); font-size: 0.9rem; line-height: 1.6; }
.service-text ul { color: var(--texto); font-size: 0.9rem; padding-left: 18px; margin-bottom: 7px; line-height: 1.8; }

/* ===== CONTACTO ===== */
.contact-section {
  max-width: 1000px; margin: 0 auto; padding: 60px 24px;
  display: flex; gap: 50px; flex-wrap: wrap;
}
.contact-form, .contact-info { flex: 1; min-width: 270px; }
.contact-form h2, .contact-info h2 { color: var(--azul); font-size: 1.3rem; margin-bottom: 22px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 5px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--borde);
  border-radius: 6px; font-size: 0.9rem; font-family: inherit; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--azul-btn); box-shadow: 0 0 0 3px rgba(37,99,201,0.1);
}
.form-group textarea { resize: vertical; }

.info-item { display: flex; gap: 12px; margin-bottom: 20px; align-items: flex-start; }
.info-svg svg { color: var(--azul-btn); }
.info-item strong { display: block; font-size: 0.88rem; color: var(--azul); margin-bottom: 3px; }
.info-item p { font-size: 0.86rem; color: var(--texto); line-height: 1.5; }
.contact-img img { width: 100%; border-radius: 10px; height: 160px; object-fit: cover; margin: 14px 0; }

.social-links { display: flex; gap: 12px; margin-top: 6px; }
.social-links a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--borde);
  color: var(--azul); transition: background 0.2s, color 0.2s, transform 0.15s;
}
.social-links a:hover { background: var(--azul-btn); color: var(--blanco); border-color: var(--azul-btn); transform: translateY(-2px); }

/* ===== FOOTER ===== */
.footer { background: var(--azul); color: rgba(255,255,255,0.6); text-align: center; padding: 18px; font-size: 0.87rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .hero, .contact-section, .cta-banner { flex-direction: column; }
  .hero { text-align: center; padding: 50px 20px; }
  .hero-text h1 { font-size: 1.8rem; }
  .nav-links { gap: 16px; }
  .about-container { flex-direction: column; }
}