/* Reset y base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1rem, 1vw + 0.5rem, 1.2rem);
  color: #333;
  line-height: 1.6;
  background: #fff;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header base */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  padding: 1rem 0;
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Container flex for navbar */
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  font-size: 1.8rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: #007bff;
}

/* Navbar */
.nav-list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}
.nav-list a {
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 5px;
  color: #333;
  transition: background 0.3s ease, color 0.3s ease;
}
.nav-list a:hover {
  background: #007bff;
  color: #fff;
}

/* Toggle (mobile) */
.nav-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
}

/* Responsive nav */
@media (max-width: 768px) {
  .nav-list {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 1rem;
    border-radius: 0 0 8px 8px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  .nav-list.show {
    transform: translateX(0);
  }

  .nav-toggle {
    display: block;
  }
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
}

/* hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 1rem 80px;
  min-height: 90vh;
  text-align: center;
  background: url('img/hero-bg.jpg') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4); /* Degradado oscuro encima de la imagen */
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
}

.hero p {
  font-size: 1.2rem;
  color: #ddd;
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-block;
  background: #007bff;
  color: #fff;
  padding: 14px 32px;
  font-size: 1.1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
  transition: background 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
  background: #0056b3;
  transform: translateY(-3px);
}


/* Servicios */
.services-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin: 2rem 0;
}
.service-card {
  background: #fafafa;
  padding: 2rem;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* Portafolio */
.portfolio-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

/* Contacto */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-form input,
.contact-form textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}
textarea {
  resize: vertical;
  min-height: 100px;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
  background: #f8f8f8;
  font-size: 0.9rem;
}

/* Animaciones */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  body {
    background: #121212;
    color: #e0e0e0;
  }
  .header, .nav-list, .service-card, .contact-form input,
  .contact-form textarea, .footer {
    background: #1e1e1e;
    color: #e0e0e0;
    border-color: #333;
  }
  .btn-primary {
    background: #0a84ff;
  }
  .btn-primary:hover {
    background: #0063cc;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-list {
    flex-direction: column;
    position: absolute;
    top: 60px; right: 0;
    background: #fff;
    width: 200px;
    transform: translateX(100%);
    transition: transform 0.3s;
    padding: 1rem;
  }
  .nav-list.show {
    transform: translateX(0);
  }
  .nav-toggle {
    display: block;
  }
}