:root {
  --verde: #173A24;
  --negro: #0A0A0A;
  --gris: #4A4A4A;
  --blanco: #FFFFFF;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--blanco);
  color: var(--negro);
  line-height: 1.5;
}

header {
  background: var(--negro);
  padding: 24px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header img { height: 40px; }

nav a {
  color: var(--blanco);
  text-decoration: none;
  margin-left: 28px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

nav a:hover { color: var(--gris); }

.hero {
  background: var(--verde);
  color: var(--blanco);
  padding: 90px 5% 70px;
  text-align: center;
}

.hero img { max-width: 320px; width: 60%; margin-bottom: 32px; }

.hero h1 {
  font-size: 2.2rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero p {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: #d8e0da;
}

.cta {
  display: inline-block;
  margin-top: 32px;
  background: var(--blanco);
  color: var(--negro);
  padding: 14px 36px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  font-size: 0.9rem;
}

.cta:hover { background: var(--gris); color: var(--blanco); }

section { padding: 60px 5%; max-width: 1100px; margin: 0 auto; }

section h2 {
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
  border-left: 6px solid var(--verde);
  padding-left: 14px;
}

section .subtitulo {
  color: var(--gris);
  margin-bottom: 36px;
  padding-left: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  border: 1px solid #e2e2e2;
  padding: 24px;
  background: var(--blanco);
}

.card .foto {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 16px;
  display: block;
}

.card .tag {
  display: inline-block;
  background: var(--gris);
  color: var(--blanco);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1.1rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.card p { color: var(--gris); font-size: 0.92rem; margin-bottom: 16px; }

.card .precio {
  font-weight: 700;
  color: var(--verde);
  font-size: 1.1rem;
}

.aviso {
  background: #f4f4f4;
  border-left: 6px solid var(--gris);
  padding: 18px 22px;
  font-size: 0.92rem;
  color: var(--negro);
  margin-bottom: 36px;
}

.metodos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.metodo {
  background: var(--negro);
  color: var(--blanco);
  padding: 26px;
  text-align: center;
}

.metodo h3 { text-transform: uppercase; font-size: 1rem; margin-bottom: 10px; }
.metodo p { color: #bbb; font-size: 0.85rem; }

.whatsapp-cta {
  background: var(--verde);
  color: var(--blanco);
  text-align: center;
  padding: 50px 5%;
}

.whatsapp-cta a {
  display: inline-block;
  margin-top: 18px;
  background: var(--blanco);
  color: var(--negro);
  padding: 14px 36px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
}

footer {
  background: var(--negro);
  color: #888;
  text-align: center;
  padding: 24px;
  font-size: 0.8rem;
}