 :root {
  --azul-celeste: #066cfb;
  --azul-oscuro: #033874;
  --amarillo: #ffc107;
  --rojo: #dc3545;
  --blanco: #f8f9fa;
  --gris-claro: #ccd4e2;
}
body {
  font-family: 'Montserrat', Arial, sans-serif;
  background: linear-gradient(120deg, var(--azul-celeste) 0%, var(--azul-oscuro) 100%);
  color: var(--blanco);
  min-height: 100vh;
}

.navbar, .teceec-header {
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-celeste));
}
.navlogo-img, .logo-header {
  width: 60px;
  height: auto;
  filter: drop-shadow(0 2px 6px #0003);
}
.navbar-nav .nav-link {
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--blanco) !important;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.3s;
}
.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 10%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--amarillo);
  transition: width 0.3s;
}
.navbar-nav .nav-link:hover::after {
  width: 80%;
}
.navbar-nav .nav-link:hover {
  color: var(--amarillo) !important;
  text-shadow: 0 0 8px var(--amarillo);
}  

/* WhatsApp y redes en header */
.icon-box {
  background-color: #ffffff10;
  padding: 0.75rem;
  border-radius: 50%;
  box-shadow: 0 0 10px var(--azul-celeste);
}
.btn-outline-danger, .btn-outline-primary {
  border-radius: 30px;
  font-weight: 600;
  padding: 0.5rem 1.5rem;
  transition: background 0.3s, color 0.3s;
}
.btn-outline-danger:hover, .btn-outline-primary:hover {
  background: var(--amarillo);
  color: #212529;
  border-color: var(--amarillo);
}

/* HERO PRINCIPAL */
.hero-section {
    background: linear-gradient(135deg, #0d6efd, #204073, #e63946);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
}

.hero-section p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.hero-section .btn {
    margin-top: 25px;
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 30px;
}

/* SECCIONES DE SERVICIOS */
.service-section {
    padding: 80px 20px;
}

.service-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 40px 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-card i {
    font-size: 3rem;
    color: #0d6efd;
    margin-bottom: 20px;
}

.service-card h4 {
    font-weight: 700;
    color: #204073;
    margin-bottom: 15px;
}

.service-card p {
    color: #555;
    font-size: 1rem;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, #204073, #0d6efd);
    color: white;
    padding: 70px 20px;
    text-align: center;
    border-top: 3px solid #ffc107;
}

.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.cta-section .btn {
    font-size: 1.2rem;
    padding: 12px 30px;
    border-radius: 50px;
}

footer {
    background-color: #0b1d3a;
}