/* DESIGN TOKENS (Variables que cambian por cliente) */
:root {
  --primary-color: #0F172A;
  --secondary-color: #2563EB;
  --accent-color: #F59E0B;
  --bg-color: #FFFFFF;
  --text-color: #334155;
  --font-family: 'Inter', system-ui, sans-serif;
  --border-radius: 8px;
  --transition-speed: 0.3s;
}

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

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

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

/* NAVBAR */
.navbar {
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  transition: color var(--transition-speed);
}

.nav-menu a:hover {
  color: var(--secondary-color);
}

.nav-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* HERO SECTION */
.hero-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.8rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.hero-image img {
  width: 100%;
  border-radius: var(--border-radius);
  object-fit: cover;
}

/* BOTONES */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform var(--transition-speed), background var(--transition-speed);
}

.btn-primary {
  background-color: var(--secondary-color);
  color: #ffffff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(0.9);
}

/* GALERÍA */
.gallery-section, .contact-section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  cursor: pointer;
  transition: transform var(--transition-speed);
}

.gallery-card:hover {
  transform: translateY(-5px);
}

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

.gallery-card-info {
  padding: 1rem;
  background: #ffffff;
}

/* FORMULARIO & FOOTER */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input, .contact-form textarea {
  padding: 0.8rem;
  border: 1px solid #cbd5e1;
  border-radius: var(--border-radius);
  font-family: inherit;
}

.footer {
  background: var(--primary-color);
  color: #ffffff;
  padding: 2rem 0;
  margin-top: 2rem;
}

/* MODAL */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(0,0,0,0.85);
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.modal-content {
  max-width: 80%;
  max-height: 80vh;
  border-radius: var(--border-radius);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  cursor: pointer;
}

/* RESPONSIVO */
@media (max-width: 768px) {
  .hero-container, .contact-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #ffffff;
    padding: 1rem;
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
}