/* Estilos comunes de las páginas de trabajo (portada, logos, estructuras) */
:root {
  --color-primary: #7a9e8e;
  --color-primary-dark: #5d8172;
  --color-bg: #fbf8f4;
  --color-bg-alt: #f1ebe3;
  --color-text: #3a3a3a;
  --color-muted: #6b6b6b;
  --font-title: "Lora", serif;
  --font-body: "Nunito Sans", sans-serif;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}
h1, h2, h3 { font-family: var(--font-title); line-height: 1.2; font-weight: 500; }

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: .8rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--color-primary-dark); border: 2px solid var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; }

/* ===== Portada: en construcción ===== */
.construccion {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem 1rem;
}
.construccion__logo { font-family: var(--font-title); font-size: 1.3rem; letter-spacing: .05em; }
.construccion__logo span { color: var(--color-primary); }
.construccion h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); margin: 1.5rem 0 1rem; }
.construccion p { color: var(--color-muted); max-width: 32rem; margin: 0 auto 2.5rem; }
.construccion__botones { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.construccion__linea { width: 60px; height: 2px; background: var(--color-primary); margin: 0 auto; }

/* ===== Páginas internas ===== */
.pagina { max-width: 1100px; margin: 0 auto; padding: 3rem 1rem; }
.pagina__cabecera { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.pagina__cabecera h1 { font-size: 2.2rem; }
.vacio {
  border: 2px dashed #d8d0c5;
  border-radius: var(--radius);
  padding: 5rem 1rem;
  text-align: center;
  color: var(--color-muted);
}

/* ===== Miniaturas de estructuras ===== */
.miniaturas { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.miniatura { text-decoration: none; color: inherit; display: block; }
.miniatura__marco {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid #e2d9cd;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  transition: transform .2s, box-shadow .2s;
}
/* El iframe se renderiza a 1280px de ancho y se escala para que quepa */
.miniatura__marco iframe {
  position: absolute; top: 0; left: 0;
  width: 1280px; height: 960px;
  border: 0;
  transform-origin: 0 0;
  pointer-events: none;
}
.miniatura:hover .miniatura__marco { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,.1); }
.miniatura h2 { font-size: 1.2rem; margin-top: 1rem; }
.miniatura p { color: var(--color-muted); font-size: .95rem; }