:root {
  --azul-principal: #3A7DFF;
  --azul-oscuro: #185492;
  --azul-claro: #E5EDFF;
  --gris: #F7F9FC;
  --gris-medio: #E2E8F0;
  --rojo-detalle: #FF4B4B;
  --blanco: #fff;
  --negro: #222;
  --borde-radio: 12px;
  --sombra-suave: 0 8px 20px rgba(0,0,0,0.04);
  --sombra-botones: 0 4px 12px rgba(58,125,255,0.15);
  --transicion: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--gris);
  color: var(--negro);
  line-height: 1.6;
  font-size: 16px;
}

/* Header y hero section */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--blanco);
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  padding: 0.8rem 1rem;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.header-logo {
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: none;
}

.nav-links a {
  color: var(--azul-oscuro);
  text-decoration: none;
  font-weight: 500;
  margin-left: 1.5rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--azul-principal);
}

.hero {
  padding-top: 4rem;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  background: var(--azul-oscuro);
  color: var(--blanco);
  padding-bottom: 2rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  text-align: center;
  max-width: 800px;
}

.hero-text {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 1.5rem auto;
  text-align: center;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 60px;
  background: var(--gris);
  clip-path: ellipse(50% 60% at 50% 100%);
  z-index: 2;
}

.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.logo-img {
  width: 100px;
  height: 100px;
  border-radius: 15px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.brand-name {
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.hero-tagline {
  font-size: 1.3rem;
  opacity: 0.95;
  margin-bottom: 1.5rem;
}

/* Contenedor principal */
.container {
  max-width: 900px;
  margin: -50px auto 2rem auto;
  position: relative;
  z-index: 10;
  padding: 0 1rem;
}

/* Tarjetas modulares */
.card {
  background: var(--blanco);
  border-radius: var(--borde-radio);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  box-shadow: var(--sombra-suave);
}

/* Grid para algunas cards en desktop */
@media (min-width: 768px) {
  .card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }
  
  .card-grid-reverse {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }
  
  .card-grid-reverse .card-content {
    order: 1;
  }
  
  .card-grid-reverse .card-image {
    order: 2;
  }
  
  header {
    padding: 1rem 2rem;
  }
  
  .header-logo img {
    height: 50px;
  }
  
  .nav-links {
    display: flex;
  }
  
  .hero {
    padding-top: 5rem;
    min-height: 50vh;
    padding-bottom: 3rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-text {
    font-size: 1.4rem;
  }
  
  .logo-img {
    width: 130px;
    height: 130px;
  }
  
  .brand-name {
    font-size: 2.2rem;
  }
}

/* Imágenes en cards */
.card-image {
  margin: 0 -1.5rem;
  overflow: hidden;
  height: 200px;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--borde-radio) var(--borde-radio) 0 0;
  transition: transform 0.5s ease;
}

@media (min-width: 768px) {
  .card-image {
    margin: 0;
    height: 100%;
    border-radius: var(--borde-radio);
  }
  
  .card-image img {
    border-radius: var(--borde-radio);
  }
}

.card:hover .card-image img {
  transform: scale(1.03);
}

/* Encabezados */
h2 {
  color: var(--azul-principal);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

h2 svg {
  width: 1.3rem;
  height: 1.3rem;
  margin-right: 0.6rem;
  color: var(--azul-principal);
}

/* Listas con íconos */
.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.9rem;
  font-size: 1rem;
}

.feature-list li svg {
  width: 1.2rem;
  height: 1.2rem;
  margin-right: 0.8rem;
  margin-top: 0.2rem;
  color: var(--azul-principal);
  flex-shrink: 0;
}

/* Lista normal */
.simple-list {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.simple-list li {
  margin-bottom: 0.5rem;
}

/* Tarjeta CTA */
.cta-card {
  background: var(--azul-claro);
  padding: 2rem 1.5rem;
  text-align: center;
  margin-top: 2rem;
}

.cta-title {
  color: var(--azul-oscuro);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--blanco);
  color: var(--azul-principal);
  font-weight: 500;
  padding: 0.9rem;
  border-radius: 10px;
  text-decoration: none;
  transition: var(--transicion);
  box-shadow: var(--sombra-botones);
}

.contact-btn svg {
  width: 1.2rem;
  height: 1.2rem;
}

.contact-btn.whatsapp:hover {
  background: #25D366;
  color: var(--blanco);
}

.contact-btn.telegram:hover {
  background: #229ED9;
  color: var(--blanco);
}

.contact-btn.email:hover {
  background: var(--azul-oscuro);
  color: var(--blanco);
}

.mini-text {
  font-size: 0.9rem;
  color: var(--azul-oscuro);
  opacity: 0.8;
}

/* Footer */
footer {
  text-align: center;
  color: #777;
  font-size: 0.9rem;
  padding: 2rem 1rem 1.5rem 1rem;
}

/* Diseño modular - iconos */
.icon-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.icon-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
  background: var(--gris);
  border-radius: var(--borde-radio);
  font-size: 0.9rem;
}

.icon-box svg {
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 0.5rem;
  color: var(--azul-principal);
}

/* Animaciones sutiles */
.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}

.contact-btn {
  position: relative;
  overflow: hidden;
}

.contact-btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.1);
  transition: all 0.4s ease;
}

.contact-btn:hover::after {
  left: 100%;
}

/* Responsive */
@media (min-width: 768px) {
  .contact-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .contact-btn {
    padding: 0.9rem 1.4rem;
  }
  
  .container {
    margin-top: -70px;
  }
  
  .card {
    padding: 1.8rem;
  }
}