/* variables de color, tipografía y utilidades */
:root {
  --primary-color: #0b2545; /* Azul oscuro elegante */
  --secondary-color: #f77f00; /* Naranja para llamados a la acción */
  --accent-color: #8d99ae;
  --bg-light: #f8f9fa;
  --text-dark: #2b2d42;
  --text-light: #edf2f4;
  --white: #ffffff;
  
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-heading: 'Outfit', sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Header */
header {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header .logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--white);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul li a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--secondary-color);
}

.contact-btn {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s, transform 0.2s;
}

.contact-btn:hover {
  background-color: #d66b00;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  height: 80vh;
  background: linear-gradient(rgba(11, 37, 69, 0.7), rgba(11, 37, 69, 0.7)), url('../assets/hero_banner.jpg') center/cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--white);
  padding: 0 1rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: fadeInDown 1s ease;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease;
}

/* Products Section */
.products {
  padding: 5rem 5%;
  text-align: center;
}

.products h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.product-info {
  padding: 1.5rem;
}

.product-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.product-info .price {
  color: var(--secondary-color);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  max-width: 500px;
  width: 90%;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-family: var(--font-main);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.checkbox-group input {
  margin-top: 5px;
}

.checkbox-group label {
  font-weight: 400;
  font-size: 0.9rem;
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: var(--text-light);
  padding: 4rem 5% 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  margin-bottom: 1.5rem;
  color: var(--secondary-color);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

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

.footer-col a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    display: none; /* simple mobile version */
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}