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

:root {
  --color-oscuro:  #1B3A5C;   
  --color-acento:  #4292C4;   
  --color-blanco:  #FFFFFF;
  --color-texto:   #2c2c2c;   
  --color-gris:    #f4f5f7;   
  --fuente-titulo: 'Cormorant Garamond', serif;
  --fuente-cuerpo: 'Inter', sans-serif;
}

body {
  font-family: var(--fuente-cuerpo);
  color: var(--color-texto);
  background: var(--color-blanco);
}


.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}


/* HEADER Y NAV */
header {
  position: fixed;        
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-oscuro);
  z-index: 100;
  padding: 18px 40px;
}

nav {
  display: flex;
  justify-content: space-between;   
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  color: var(--color-blanco);
  font-family: var(--fuente-titulo);
  font-size: 22px;
  letter-spacing: 6px;
  font-weight: 300;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 36px;
}

nav ul a {
  color: var(--color-blanco);
  text-decoration: none;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 1px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

nav ul a:hover {
  opacity: 1;
}

/* Botón del nav */
.btn-nav {
  background: transparent;
  color: var(--color-blanco);
  border: 1px solid rgba(255,255,255,0.5);
  padding: 9px 20px;
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 1px;
  font-weight: 400;
  transition: background 0.2s, border-color 0.2s;
}

.btn-nav:hover {
  background: var(--color-acento);
  border-color: var(--color-acento);
}


/* HERO */
#hero {
  position: relative;
  height: 100vh;
  background-image: url('imagen.jpg');
  background-size: cover;
  background-position: center top;
  display: flex;
  align-items: flex-end;         
}

/* Overlay oscuro encima de la foto */
.overlay {
  position: absolute;
  inset: 0;                       
  background: linear-gradient(
    to bottom,
    rgba(27, 58, 92, 0.6) 0%,    
    rgba(10, 20, 35, 0.85) 100%  
  );
}

.hero-contenido {
  position: relative;   
  z-index: 1;
  padding: 0 80px 80px;
  max-width: 800px;
}

.hero-subtitulo {
  color: var(--color-acento);
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 400;
}

.hero-contenido h1 {
  font-family: var(--fuente-titulo);
  font-size: 80px;
  font-weight: 300;
  color: var(--color-blanco);
  line-height: 1;
  letter-spacing: 8px;
  margin-bottom: 24px;
}

.hero-descripcion {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 300;
}

.btn-hero {
  display: inline-block;
  background: var(--color-acento);
  color: var(--color-blanco);
  text-decoration: none;
  padding: 14px 36px;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 400;
  transition: background 0.2s;
}

.btn-hero:hover {
  background: #3278a8;
}


/* NOSOTROS */
#nosotros {
  padding: 100px 0;
  background: var(--color-blanco);
}


.etiqueta {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-acento);
  font-weight: 500;
  margin-bottom: 16px;
}

.etiqueta-claro {
  color: rgba(255,255,255,0.6);   
}

.nosotros-texto h2 {
  font-family: var(--fuente-titulo);
  font-size: 42px;
  font-weight: 400;
  color: var(--color-oscuro);
  line-height: 1.2;
  margin-bottom: 32px;
  max-width: 600px;
}

.nosotros-texto p {
  font-size: 15px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 20px;
  max-width: 660px;
}


/* PILARES */
#pilares {
  background: var(--color-oscuro);
  padding: 100px 0;
}

.titulo-claro {
  font-family: var(--fuente-titulo);
  font-size: 42px;
  font-weight: 400;
  color: var(--color-blanco);
  line-height: 1.2;
  margin-bottom: 60px;
  max-width: 500px;
}

.pilares-grid {
  display: flex;
  gap: 40px;
}

.pilar-card {
  flex: 1;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 32px;
}

.pilar-numero {
  display: block;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--color-acento);
  margin-bottom: 16px;
  font-weight: 500;
}

.pilar-card h3 {
  font-family: var(--fuente-titulo);
  font-size: 24px;
  font-weight: 400;
  color: var(--color-blanco);
  margin-bottom: 12px;
}

.pilar-card p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
  font-weight: 300;
}


/* SERVICIOS */
#servicios {
  background: var(--color-gris);
  padding: 100px 0;
}

#servicios h2 {
  font-family: var(--fuente-titulo);
  font-size: 36px;
  font-weight: 400;
  color: var(--color-oscuro);
  margin-bottom: 60px;
  max-width: 600px;
  line-height: 1.3;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.servicio-card {
  background: var(--color-blanco);
  padding: 36px 28px;
  border-top: 3px solid var(--color-acento);   
  transition: transform 0.2s, box-shadow 0.2s; 
  
}

.servicio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(27, 58, 92, 0.1);
}

.servicio-icono {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--color-acento);
  font-weight: 500;
  margin-bottom: 16px;
}

.servicio-card h3 {
  font-family: var(--fuente-titulo);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-oscuro);
  margin-bottom: 12px;
  line-height: 1.3;
}

.servicio-card p {
  font-size: 13px;
  line-height: 1.8;
  color: #666;
  font-weight: 300; 
  text-align: justify;
}


/* CONTACTO */
#contacto {
  background: var(--color-oscuro);
  padding: 100px 0;
}

.contacto-contenido {
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.contacto-texto {
  flex: 1;
}

.contacto-texto h2 {
  font-family: var(--fuente-titulo);
  font-size: 42px;
  font-weight: 400;
  color: var(--color-blanco);
  line-height: 1.2;
  margin-bottom: 20px;
}

.contacto-desc {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
  font-weight: 300;
}

.contacto-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contacto-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 28px;
}

.contacto-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-acento);
  font-weight: 500;
}

.contacto-item span:last-child {
  font-size: 15px;
  color: var(--color-blanco);
  font-weight: 300;
}

.btn-contacto {
  display: inline-block;
  background: var(--color-acento);
  color: var(--color-blanco);
  text-decoration: none;
  padding: 14px 36px;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 400;
  text-align: center;
  transition: background 0.2s;
  margin-top: 8px;
}

.btn-contacto:hover {
  background: #3278a8;
}


/* FOOTER */
footer {
  background: #0f2236;    
  padding: 28px 40px;
}

.footer-contenido {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--fuente-titulo);
  font-size: 18px;
  letter-spacing: 6px;
  color: var(--color-blanco);
  font-weight: 300;
  opacity: 0.7;
}

footer p {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  font-weight: 300;
  letter-spacing: 1px;
} 
/*nr*/