/* Sitio de Arcelio U. Blanco N. — moderno, cálido, sin publicidad */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #0f766e;        /* verde teal profundo */
  --primary-dark: #115e59;
  --gold: #d9a441;
  --line: #e5e7eb;
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
h1, h2, h3, .serif { font-family: 'Playfair Display', Georgia, serif; }

/* ===== Puerta de acceso ===== */
#puerta {
  position: fixed; inset: 0; z-index: 100;
  background: linear-gradient(140deg, #0f766e 0%, #134e4a 60%, #1c1917 100%);
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 1.5rem;
}
#puerta .caja {
  max-width: 440px; width: 100%;
  background: rgba(255,255,255,.97);
  border-radius: 24px; padding: 3rem 2.4rem;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}
#puerta h1 { font-size: 1.75rem; color: #115e59; margin-bottom: .35rem; }
#puerta .sub { font-size: 1.05rem; color: #6b7280; font-style: italic; margin-bottom: 1.8rem; }
#puerta label { display: block; text-align: left; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin: 1rem 0 .35rem; color: #6b7280; }
#puerta input {
  width: 100%; padding: .85rem 1rem; font-size: 1rem; font-family: inherit;
  border: 1.5px solid #e5e7eb; border-radius: 12px; background: #f9fafb;
  transition: border-color .2s, box-shadow .2s;
}
#puerta input:focus { outline: none; border-color: #0f766e; box-shadow: 0 0 0 4px rgba(15,118,110,.12); background: #fff; }
#puerta button {
  margin-top: 1.6rem; width: 100%; padding: .9rem; font-family: inherit;
  font-weight: 600; font-size: 1rem; cursor: pointer;
  background: linear-gradient(135deg, #0f766e, #0d9488); color: #fff;
  border: none; border-radius: 12px; letter-spacing: .3px;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 6px 18px rgba(13,148,136,.35);
}
#puerta button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(13,148,136,.45); }
#puerta .error { color: #dc2626; font-size: .88rem; margin-top: .9rem; min-height: 1.3em; }
#puerta .externo { font-size: .82rem; color: #9ca3af; margin-top: 1.4rem; line-height: 1.55; }
#puerta .externo a { color: #0f766e; font-weight: 600; text-decoration: none; }
#puerta .externo a:hover { text-decoration: underline; }
body.acceso-ok #puerta { display: none; }

/* ===== Encabezado ===== */
header {
  text-align: center; padding: 5rem 1.5rem 3rem;
  background: linear-gradient(180deg, rgba(15,118,110,.06), transparent);
}
header h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 700; color: #134e4a; letter-spacing: -.5px; }
header p { color: var(--muted); font-size: 1.05rem; margin-top: .6rem; }
header p::after { content: ""; display: block; width: 70px; height: 3px; background: var(--gold); border-radius: 2px; margin: 1.2rem auto 0; }

nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem;
  padding: .8rem 1rem; margin: 0 auto; max-width: 860px;
  background: rgba(255,255,255,.85); backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 999px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
nav a {
  color: #374151; text-decoration: none; font-size: .82rem; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase; padding: .45rem 1.1rem; border-radius: 999px;
  transition: background .2s, color .2s;
}
nav a:hover { background: rgba(15,118,110,.09); color: var(--primary-dark); }

main { max-width: 1080px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
section { margin-bottom: 5rem; }
h2 { text-align: center; font-size: 1.9rem; font-weight: 600; color: #134e4a; margin-bottom: .5rem; }
section > p.intro { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 2.4rem; }

/* ===== Tarjetas de catálogo ===== */
.catalogo { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.4rem; }
.tarjeta {
  background: var(--surface); border-radius: var(--radius); overflow: hidden; cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.05);
  transition: transform .2s ease, box-shadow .2s ease;
  border: 1px solid rgba(0,0,0,.03);
}
.tarjeta:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(15,118,110,.16); }
.tarjeta img { width: 100%; aspect-ratio: 4/3.2; object-fit: cover; background: linear-gradient(135deg, #e0f2f1, #f1f5f9); display: block; }
.tarjeta .info { padding: 1.15rem 1.25rem 1.35rem; }
.tarjeta h3 { font-size: 1.08rem; font-weight: 600; color: #134e4a; margin: .35rem 0 .3rem; line-height: 1.35; }
.tarjeta p { color: var(--muted); font-size: .88rem; line-height: 1.55; }
.cat-tag {
  display: inline-block; font-size: .68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; color: #0d9488; background: rgba(13,148,136,.09);
  border-radius: 999px; padding: .22rem .7rem;
}

/* Detalle desplegable */
.detalle {
  display: none; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem; margin: 1.4rem 0 2.6rem;
  box-shadow: 0 12px 32px rgba(0,0,0,.07);
  border-top: 4px solid var(--gold);
  animation: aparecer .25s ease;
}
@keyframes aparecer { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.detalle.abierto { display: block; }
.detalle h3 { font-size: 1.35rem; color: #134e4a; margin-bottom: .9rem; }
.detalle p { color: #374151; margin-bottom: .8rem; }
.detalle .accion {
  display: inline-block; margin-top: .6rem; padding: .65rem 1.6rem; border-radius: 999px;
  background: var(--primary); color: #fff; text-decoration: none; font-size: .9rem; font-weight: 600;
  transition: background .2s, transform .15s;
}
.detalle .accion:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* ===== Galería ===== */
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.1rem; }
.galeria img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0,0,0,.08); transition: transform .25s ease, box-shadow .25s ease;
}
.galeria img:hover { transform: scale(1.025); box-shadow: 0 12px 32px rgba(0,0,0,.14); }

.vacio { text-align: center; color: #b0b7c3; font-style: italic; padding: 2.5rem 1rem; background: repeating-linear-gradient(45deg, #f3f4f6, #f3f4f6 12px, #f9fafb 12px, #f9fafb 24px); border-radius: var(--radius); }

/* ===== Autor ===== */
.sobre { max-width: 700px; margin: 0 auto; text-align: center; font-size: 1.02rem; color: #374151; }
.sobre img {
  width: 230px; height: 287px; object-fit: cover; border-radius: 20px;
  box-shadow: 0 18px 44px rgba(0,0,0,.18); margin: 0 auto 2rem; display: block;
  border: 5px solid #fff;
}
.sobre p { margin-bottom: 1.2rem; }
.sobre strong { color: #134e4a; }

/* Solicitud de acceso */
.solicitud { max-width: 540px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.2rem; box-shadow: 0 8px 28px rgba(0,0,0,.06); }
.solicitud textarea, .solicitud input {
  width: 100%; padding: .8rem 1rem; font-family: inherit; border: 1.5px solid var(--line);
  border-radius: 10px; margin-bottom: .9rem; background: #f9fafb; font-size: .95rem;
}
.solicitud textarea:focus, .solicitud input:focus { outline: none; border-color: var(--primary); background: #fff; }
.solicitud button { padding: .8rem 2rem; background: linear-gradient(135deg, #0f766e, #0d9488); color: #fff; border: none; border-radius: 999px; cursor: pointer; font-family: inherit; font-weight: 600; }

footer {
  text-align: center; padding: 2.6rem 1rem; color: #9ca3af; font-size: .84rem;
  border-top: 1px solid var(--line); background: #fff;
}

/* ===== Adaptacion movil ===== */
@media (max-width: 900px) {
  main { padding: 2.2rem 1.1rem 3.5rem; }
  .catalogo { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.1rem; }
  h2 { font-size: 1.6rem; }
}

@media (max-width: 640px) {
  /* tipografia legible sin zoom */
  body { font-size: 16px; line-height: 1.7; }
  h2 { font-size: 1.45rem; margin-bottom: .8rem; }
  section > p.intro { font-size: .95rem; margin-bottom: 1.8rem; }

  /* la puerta ocupa bien la pantalla del telefono */
  #puerta { padding: 1rem; }
  #puerta .caja { padding: 2rem 1.3rem; border-radius: 18px; }
  #puerta h1 { font-size: 1.45rem; }
  #puerta .sub { font-size: .95rem; margin-bottom: 1.3rem; }
  /* campos grandes: evita el zoom automatico de iOS y facilita el toque */
  #puerta input { font-size: 16px; padding: .95rem 1rem; }
  #puerta button { font-size: 16px; padding: 1rem; }

  /* navegacion: botones tactiles, no texto apretado */
  nav, .menu { flex-wrap: wrap; padding: .6rem .7rem; gap: .35rem; }
  nav a, .menu a { font-size: .82rem; padding: .45rem .7rem; }

  /* catalogo a una columna, tarjetas comodas */
  main { padding: 1.8rem .9rem 3rem; }
  .catalogo { grid-template-columns: 1fr; gap: 1rem; }
  .tarjeta { border-radius: 14px; }
  .tarjeta img { aspect-ratio: 16/11; }
  .tarjeta .info { padding: 1rem 1.05rem 1.15rem; }
  .tarjeta h3 { font-size: 1rem; }
  .tarjeta p { font-size: .86rem; }

  /* botones de accion: area de toque minima recomendada (44px) */
  .accion, .detalle .accion, .solicitud button {
    display: block; width: 100%; text-align: center;
    padding: .85rem 1rem; font-size: 15px; min-height: 44px;
  }

  /* ficha del autor */
  .sobre img, .sobre .retrato { width: 150px; height: 190px; margin-bottom: 1.4rem; }
  .sobre p { font-size: .95rem; }

  .solicitud { padding: 1.5rem 1.1rem; }
  .solicitud input, .solicitud textarea { font-size: 16px; }

  footer { padding: 2rem 1rem; font-size: .78rem; }
}

/* pantallas muy estrechas (iPhone SE y similares) */
@media (max-width: 380px) {
  #puerta .caja { padding: 1.6rem 1rem; }
  #puerta h1 { font-size: 1.3rem; }
  h2 { font-size: 1.3rem; }
  main { padding: 1.5rem .7rem 2.5rem; }
}