/* ==========================================================================
   Sole — sistema visual
   Concepto: una carta escrita a mano, con notas de campo a máquina al margen.
   Papel, tinta, aire, una sola columna de lectura. Nada de tarjetas con
   íconos ni degradados: esto se lee, no se "consume".

   Tipografías: Fraunces (títulos, serif blanda) · Newsreader (texto) ·
   Courier Prime (metadatos, notas de campo) · Caveat (firma).
   ========================================================================== */

:root {
  color-scheme: light dark;

  --papel:        #faf6ef;
  --papel-hueco:  #f4ede1;
  --tinta:        #241f1a;
  --tinta-suave:  #5f5548;
  /* Los textos pequeños (notas, etiquetas, pie) usan --tinta-tenue: tiene que
     mantener 4.5:1 sobre --papel Y sobre --papel-hueco. No aclarar. */
  --tinta-tenue:  #726556;
  --acento:       #9c5b34;
  --acento-claro: #b8734a;
  --linea:        #e3d9c9;
  --linea-fuerte: #cdbfa9;

  --lectura: 35rem;
  --margen-nota: 12.5rem;

  --serif-titulo: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --serif-texto:  "Newsreader", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --maquina:      "Courier Prime", "Courier New", ui-monospace, monospace;
  --manuscrita:   "Caveat", "Segoe Script", "Bradley Hand", cursive;
}

@media (prefers-color-scheme: dark) {
  :root {
    --papel:        #16120e;
    --papel-hueco:  #1e1913;
    --tinta:        #f0e8dc;
    --tinta-suave:  #b6a894;
    --tinta-tenue:  #9c8e7c;
    --acento:       #dc9264;
    --acento-claro: #eaad84;
    --linea:        #322a20;
    --linea-fuerte: #493c2d;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--serif-texto);
  font-size: clamp(1.06rem, 0.99rem + 0.3vw, 1.17rem);
  line-height: 1.72;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

/* URLs largas (el enlace de Chile Cuida, por ejemplo) no rompen el layout. */
a { overflow-wrap: anywhere; }

/* Grano de papel: casi imperceptible, pero quita el plano digital perfecto. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) { body::after { opacity: 0.055; } }

/* ------------------------------------------------------------- tipografía */

h1, h2, h3 {
  font-family: var(--serif-titulo);
  font-weight: 500;
  font-variation-settings: "SOFT" 40, "WONK" 1;
  line-height: 1.13;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.15rem, 1.3rem + 3.5vw, 3.4rem);
  line-height: 1.03;
  margin: 0 0 1.15rem;
}

h2 {
  font-size: clamp(1.5rem, 1.22rem + 1.1vw, 1.95rem);
  margin: 3.6rem 0 1rem;
}

h3 {
  font-size: 1.18rem;
  letter-spacing: -0.008em;
  margin: 2.2rem 0 0.5rem;
}

p { margin: 0 0 1.28rem; }

a {
  color: inherit;
  text-decoration-color: var(--linea-fuerte);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
a:hover { color: var(--acento); text-decoration-color: var(--acento); }

strong { font-weight: 600; }

::selection { background: var(--acento); color: var(--papel); }

:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ------------------------------------------------------------- estructura */

.pagina { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
.lectura { max-width: var(--lectura); margin-inline: auto; }

/* ------------------------------------------------------------- cabecera */

.masthead { border-bottom: 1px solid var(--linea); }

.masthead__interior {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem 2rem;
  flex-wrap: wrap;
}

.marca {
  font-family: var(--serif-titulo);
  font-size: 1.55rem;
  font-weight: 500;
  font-variation-settings: "SOFT" 60, "WONK" 1;
  letter-spacing: -0.025em;
  text-decoration: none;
  line-height: 1;
}
.marca:hover { color: var(--acento); }

.marca__pie {
  display: block;
  font-family: var(--maquina);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tinta-tenue);
  margin-top: 0.45rem;
}

.navegacion {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-family: var(--maquina);
  font-size: 0.81rem;
  letter-spacing: 0.01em;
}

.navegacion a { text-decoration: none; color: var(--tinta-suave); }
.navegacion a:hover { color: var(--acento); }
.navegacion a[aria-current="page"] {
  color: var(--tinta);
  text-decoration: underline;
  text-decoration-color: var(--acento);
  text-underline-offset: 0.32em;
  text-decoration-thickness: 1.5px;
}

/* ------------------------------------------------------------- portada */

.encabezado { padding: clamp(3.2rem, 8vw, 6rem) 0 0; }

.epigrafe {
  font-family: var(--maquina);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acento);
  margin: 0 0 1.7rem;
}

.bajada {
  font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.42rem);
  line-height: 1.55;
  color: var(--tinta-suave);
  margin: 0 0 2.6rem;
  text-wrap: pretty;
}

.fecha-lugar {
  font-family: var(--maquina);
  font-size: 0.77rem;
  letter-spacing: 0.04em;
  color: var(--tinta-tenue);
  margin: 0 0 2.8rem;
  padding-bottom: 2.8rem;
  border-bottom: 1px solid var(--linea);
}

/* ------------------------------------------------------------- la carta */

/* Capitular: solo en la carta de la portada, nunca en las páginas interiores
   (ahí el primer <p> no es el comienzo de nada y la letra queda suelta). */
.carta--epistola > p:first-of-type::first-letter {
  float: left;
  font-family: var(--serif-titulo);
  font-size: 3.85em;
  line-height: 0.76;
  font-weight: 500;
  color: var(--acento);
  padding: 0.06em 0.085em 0 0;
}

.destacado {
  font-family: var(--serif-titulo);
  font-size: clamp(1.25rem, 1.08rem + 0.75vw, 1.52rem);
  font-weight: 400;
  font-style: italic;
  font-variation-settings: "SOFT" 60, "WONK" 1;
  line-height: 1.4;
  margin: 2.8rem 0;
  padding-left: 1.5rem;
  border-left: 2px solid var(--acento);
  text-wrap: pretty;
}

/* Notas de campo: flotan al margen izquierdo en pantallas anchas. */
.nota {
  font-family: var(--maquina);
  font-size: 0.79rem;
  line-height: 1.62;
  color: var(--tinta-tenue);
  margin: 0.35rem 0 1.7rem;
  padding-left: 0.95rem;
  border-left: 2px solid var(--linea);
}
.nota p { margin: 0 0 0.6rem; }
.nota p:last-child { margin-bottom: 0; }
.nota b { color: var(--tinta-suave); font-weight: 700; }

@media (min-width: 1140px) {
  .nota {
    float: left;
    width: var(--margen-nota);
    margin-left: calc(-1 * (var(--margen-nota) + 2.9rem));
    margin-bottom: 1rem;
    text-align: right;
    padding-left: 0;
    padding-right: 0.95rem;
    border-left: 0;
    border-right: 2px solid var(--linea);
  }
}

.asterismo {
  display: block;
  text-align: center;
  font-family: var(--serif-titulo);
  color: var(--linea-fuerte);
  letter-spacing: 0.85em;
  text-indent: 0.85em;
  margin: 3.2rem 0;
  font-size: 0.85rem;
}

/* ------------------------------------------------------------- preguntas */

.preguntas { counter-reset: pregunta; margin: 2.2rem 0 0; padding: 0; list-style: none; }

.preguntas > li {
  counter-increment: pregunta;
  border-top: 1px solid var(--linea);
  padding: 1.7rem 0 0.5rem 3.4rem;
  position: relative;
}

.preguntas > li::before {
  content: counter(pregunta, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.85rem;
  font-family: var(--maquina);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--acento);
}

.preguntas h3 { margin-top: 0; }
.preguntas p { font-size: 0.99rem; color: var(--tinta-suave); }

/* ------------------------------------------------------------- bifurcación */

.bifurcacion {
  display: grid;
  margin: 3.2rem 0 0;
  border-top: 1px solid var(--linea);
}

@media (min-width: 46rem) {
  .bifurcacion { grid-template-columns: 1fr 1fr; column-gap: 3rem; }
  .bifurcacion__via + .bifurcacion__via {
    border-left: 1px solid var(--linea);
    padding-left: 3rem;
    margin-left: -1.5rem;
  }
}

.bifurcacion__via { padding: 1.9rem 0 0.6rem; }
.bifurcacion__via h3 { margin-top: 0.45rem; }
.bifurcacion__via p { font-size: 0.99rem; color: var(--tinta-suave); }

.etiqueta {
  font-family: var(--maquina);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tinta-tenue);
  display: block;
}

.flecha {
  font-family: var(--maquina);
  font-size: 0.87rem;
  text-decoration: none;
  color: var(--acento);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.flecha:hover { color: var(--acento-claro); border-bottom-color: var(--acento-claro); }
.flecha::after { content: "\2192"; transition: transform 0.18s ease; }
.flecha:hover::after { transform: translateX(3px); }

/* ------------------------------------------------------------- bitácora */

.bitacora {
  border: 1px solid var(--linea-fuerte);
  background: var(--papel-hueco);
  padding: 1.7rem 1.8rem 1.3rem;
  margin: 2.6rem 0;
}

.bitacora__titulo {
  font-family: var(--maquina);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--tinta-tenue);
  margin: 0 0 1.3rem;
}

.bitacora__lista { list-style: none; margin: 0 0 1.1rem; padding: 0; display: grid; gap: 1.2rem; }

@media (min-width: 34rem) {
  .bitacora__lista { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
}

.bitacora__lista b {
  display: block;
  font-family: var(--serif-titulo);
  font-size: 2.15rem;
  font-weight: 500;
  line-height: 1;
  color: var(--acento);
  margin-bottom: 0.35rem;
}

.bitacora__lista span {
  font-family: var(--maquina);
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--tinta-suave);
  display: block;
}

.bitacora__pie {
  font-family: var(--maquina);
  font-size: 0.73rem;
  color: var(--tinta-tenue);
  margin: 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--linea);
  line-height: 1.6;
}

/* ------------------------------------------------------------- listas */

.compromisos { list-style: none; margin: 1.6rem 0; padding: 0; }
.compromisos li { position: relative; padding-left: 1.75rem; margin-bottom: 1.1rem; }
.compromisos li::before { content: "\2014"; position: absolute; left: 0; color: var(--acento); }

.recursos { list-style: none; margin: 1.6rem 0 0; padding: 0; }
.recursos li { border-top: 1px solid var(--linea); padding: 1.15rem 0; }
.recursos b { font-family: var(--serif-titulo); font-weight: 500; font-size: 1.06rem; }
.recursos span {
  display: block;
  font-family: var(--maquina);
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--tinta-suave);
  margin-top: 0.3rem;
}

.directorio { list-style: none; margin: 1.6rem 0 0; padding: 0; }
.directorio li { border-top: 1px solid var(--linea); padding: 1.1rem 0; }
.directorio b { font-weight: 600; }
.directorio span { display: block; font-size: 0.96rem; color: var(--tinta-suave); }

/* ------------------------------------------------------------- firma */

.firma {
  margin: 3.6rem 0 0;
  padding-top: 2.6rem;
  border-top: 1px solid var(--linea);
  display: flex;
  gap: 1.7rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.firma__retrato {
  width: 94px;
  height: 94px;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(0.3) sepia(0.14);
  border: 1px solid var(--linea-fuerte);
  flex-shrink: 0;
}

.firma__texto { flex: 1 1 16rem; }
.firma__texto p { margin-bottom: 0.4rem; }

.firma__rubrica {
  font-family: var(--manuscrita);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--tinta);
  margin: 0.6rem 0 0;
  display: block;
}

.firma__trazo { display: block; width: 190px; height: 12px; color: var(--acento); margin: -2px 0 0.5rem; }
.firma__trazo path { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; opacity: 0.75; }

.firma__pie {
  font-family: var(--maquina);
  font-size: 0.77rem;
  line-height: 1.6;
  color: var(--tinta-tenue);
  margin: 0.4rem 0 0;
}
.firma__pie a { color: var(--tinta-suave); }

/* ------------------------------------------------------------- botones */

.boton {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  background: var(--tinta);
  color: var(--papel);
  font-family: var(--maquina);
  font-size: 0.87rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--tinta);
  border-radius: 2px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.boton:hover { background: var(--acento); border-color: var(--acento); color: #fff; }
.boton:disabled { opacity: 0.45; cursor: not-allowed; }

.boton--tenue { background: transparent; color: var(--tinta); border-color: var(--linea-fuerte); }
.boton--tenue:hover { background: transparent; color: var(--acento); border-color: var(--acento); }

.acciones { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 2.2rem 0; align-items: center; }

/* ------------------------------------------------------------- formulario */

.formulario { margin: 2.6rem 0 0; }

.campo { margin-bottom: 1.6rem; }

.campo label {
  display: block;
  font-family: var(--maquina);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--tinta-suave);
  margin-bottom: 0.5rem;
}

.campo__ayuda {
  display: block;
  font-family: var(--serif-texto);
  font-size: 0.92rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--tinta-tenue);
  margin-top: 0.3rem;
}

.campo input[type="text"],
.campo input[type="email"],
.campo select,
.campo textarea {
  width: 100%;
  font-family: var(--serif-texto);
  font-size: 1rem;
  color: var(--tinta);
  background: var(--papel-hueco);
  border: 1px solid var(--linea-fuerte);
  border-radius: 2px;
  padding: 0.72rem 0.9rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.campo textarea { min-height: 7.5rem; resize: vertical; line-height: 1.62; }

.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--acento);
  background: var(--papel);
}

.campo select {
  font-family: var(--serif-texto);
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--tinta-suave) 50%),
                    linear-gradient(135deg, var(--tinta-suave) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.6rem;
}

.campo--consentimiento {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  background: var(--papel-hueco);
  border: 1px solid var(--linea);
  padding: 1.15rem 1.25rem;
}

.campo--consentimiento input {
  margin-top: 0.3rem;
  flex-shrink: 0;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--acento);
}

.campo--consentimiento label {
  font-family: var(--serif-texto);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.94rem;
  line-height: 1.58;
  color: var(--tinta);
  margin: 0;
}

.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.aviso {
  font-size: 0.96rem;
  line-height: 1.65;
  padding: 1.1rem 1.3rem;
  border-left: 3px solid var(--acento);
  background: var(--papel-hueco);
  margin: 1.6rem 0;
}
.aviso--error { border-left-color: #b4472f; }
.aviso--logrado { border-left-color: #4a7c52; }
.aviso p { margin: 0 0 0.6rem; }
.aviso p:last-child { margin-bottom: 0; }
.aviso b { font-family: var(--serif-titulo); font-weight: 500; }

/* ------------------------------------------------------------- pie */

.pie {
  border-top: 1px solid var(--linea);
  margin-top: clamp(4rem, 9vw, 7rem);
  padding: 2.6rem 0 3.5rem;
  font-family: var(--maquina);
  font-size: 0.78rem;
  color: var(--tinta-tenue);
  line-height: 1.7;
}

.pie__rejilla { display: grid; gap: 1.9rem; max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }

@media (min-width: 46rem) {
  .pie__rejilla { grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; }
}

.pie h4 {
  font-family: var(--maquina);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--tinta-suave);
  margin: 0 0 0.85rem;
}

.pie ul { list-style: none; margin: 0; padding: 0; }
.pie li { margin-bottom: 0.5rem; }
.pie a { text-decoration: none; color: var(--tinta-tenue); }
.pie a:hover { color: var(--acento); }
.pie__rejilla p { margin: 0 0 0.7rem; max-width: 27rem; }

.pie__legal {
  max-width: 72rem;
  margin: 2.3rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--linea);
  font-size: 0.73rem;
}

/* ------------------------------------------------------------- utilidades */

.saltar {
  position: absolute;
  left: -9999px;
  background: var(--tinta);
  color: var(--papel);
  padding: 0.7rem 1.2rem;
  font-family: var(--maquina);
  font-size: 0.8rem;
  z-index: 10000;
}
.saltar:focus { left: 1rem; top: 1rem; }

.tenue { color: var(--tinta-suave); }
.pequeno { font-size: 0.94rem; }

/* ------------------------------------------------------------- entrada */

@media (prefers-reduced-motion: no-preference) {
  .entra {
    animation: surgir 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) both;
  }
  .entra:nth-child(1) { animation-delay: 0.04s; }
  .entra:nth-child(2) { animation-delay: 0.12s; }
  .entra:nth-child(3) { animation-delay: 0.2s; }
  .entra:nth-child(4) { animation-delay: 0.28s; }

  @keyframes surgir {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: none; }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}