:root {
  --ink: #1c1c1c;
  --ink-soft: #55524c;
  --paper: #f6f3ec;
  --card: #fffdf8;
  --line: #e3ddcf;
  --gold: #c6ab6e;
  --gold-ink: #86703c;
  --night: #141414;
  --danger: #a4452f;
  --serif: "Bodoni Moda", Didot, "Times New Roman", serif;
  --sans: "Abel", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.6 var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
button, input, textarea { font: inherit; color: inherit; }

/* Barra superior */
.topbar { position: sticky; top: 0; z-index: 10; background: var(--night); color: #f3efe6; }
.topbar-inner {
  max-width: 820px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.wordmark { font: 400 26px/1 var(--serif); color: #f3efe6; text-decoration: none; letter-spacing: -0.01em; }
.save-status { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: #b9b2a3; white-space: nowrap; }
.save-status.warn { color: #e6b98f; }
.progress { height: 3px; background: #2a2926; }
.progress span { display: block; height: 100%; width: 0; background: var(--gold); transition: width 0.4s ease; }

/* Página */
.page { flex: 1; width: 100%; max-width: 820px; margin: 0 auto; padding: 40px 20px 72px; outline: none; }
.loading { color: var(--ink-soft); }
.foot { text-align: center; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: #9b958a; padding: 28px 16px 36px; }

.kicker { font-size: 14px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold-ink); margin: 0 0 10px; }
h1 { font: 400 clamp(34px, 6vw, 52px)/1.08 var(--serif); margin: 0 0 28px; letter-spacing: -0.01em; }
h2 { font: 400 clamp(28px, 4.6vw, 38px)/1.15 var(--serif); margin: 0 0 8px; }
h3 { font: 500 14px/1.4 var(--sans); letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-ink); margin: 36px 0 12px; }
p { margin: 0 0 16px; }
.lede { font: 400 21px/1.55 var(--serif); }
.muted { color: var(--ink-soft); }
ul.plain { margin: 0; padding: 0; list-style: none; }
ul.plain li { position: relative; padding-left: 22px; margin-bottom: 12px; }
ul.plain li::before { content: ""; position: absolute; left: 2px; top: 0.72em; width: 8px; height: 1px; background: var(--gold); }

/* Acceso */
.gate { max-width: 460px; margin: 6vh auto 0; }
.gate label { display: block; font-size: 14px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin: 28px 0 8px; }
.gate input {
  width: 100%; padding: 14px 16px; font-size: 20px; letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--card); border: 1px solid var(--line); border-radius: 2px;
}
.gate input:focus, textarea:focus, .other input:focus, .extra input:focus { outline: 2px solid var(--gold); outline-offset: 1px; border-color: var(--gold); }
.gate .error { color: var(--danger); margin-top: 12px; min-height: 1.6em; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border: 1px solid var(--gold); background: var(--gold); color: #1c1c1c;
  font-size: 14px; letter-spacing: 0.2em; text-transform: uppercase; cursor: pointer; border-radius: 1px;
  transition: background 0.2s, color 0.2s;
}
.btn:hover { background: #b8995a; }
.btn.ghost { background: transparent; color: var(--ink); border-color: #c9c1b0; }
.btn.ghost:hover { border-color: var(--gold); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn:focus-visible { outline: 2px solid var(--night); outline-offset: 2px; }
.gate .btn { margin-top: 18px; width: 100%; }

/* Índice de bloques */
.steps { display: flex; gap: 6px; overflow-x: auto; padding: 0 0 6px; margin: 0 0 34px; scrollbar-width: thin; }
.steps button {
  flex: 0 0 auto; border: 1px solid var(--line); background: transparent; padding: 6px 12px;
  font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); cursor: pointer; border-radius: 20px;
}
.steps button.done { border-color: #d8c9a3; color: var(--gold-ink); }
.steps button.current { background: var(--night); border-color: var(--night); color: #f3efe6; }

/* Preguntas */
.block-head { margin-bottom: 30px; }
.q { padding: 26px 0 30px; border-top: 1px solid var(--line); }
.q-num { font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-ink); margin-bottom: 8px; }
.q-num .tag { margin-left: 10px; color: var(--ink-soft); letter-spacing: 0.12em; }
.q-text { font: 400 21px/1.45 var(--serif); margin: 0 0 16px; }
textarea {
  width: 100%; min-height: 120px; padding: 14px 16px; resize: vertical; line-height: 1.55; font-size: 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: 2px;
}
textarea.short { min-height: 64px; }
textarea.long { min-height: 220px; }

.options { display: grid; gap: 8px; }
.opt {
  display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: 2px; line-height: 1.4;
}
.opt:hover { border-color: #cdbd97; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt .mark {
  flex: 0 0 18px; width: 18px; height: 18px; margin-top: 2px; border: 1px solid #a9a191; background: #fff;
  display: grid; place-items: center;
}
.opt.radio .mark { border-radius: 50%; }
.opt input:checked + .mark { border-color: var(--gold-ink); background: var(--gold); }
.opt input:checked + .mark::after { content: ""; width: 6px; height: 6px; background: #1c1c1c; border-radius: 50%; }
.opt.check input:checked + .mark::after { width: 9px; height: 5px; background: none; border-radius: 0; border-left: 2px solid #1c1c1c; border-bottom: 2px solid #1c1c1c; transform: rotate(-45deg) translate(1px, -1px); }
.opt input:focus-visible + .mark { outline: 2px solid var(--night); outline-offset: 2px; }
.opt:has(input:checked) { border-color: var(--gold); background: #fbf6ea; }
.other, .extra { margin-top: 10px; }
.other label, .extra label { display: block; font-size: 15px; color: var(--ink-soft); margin-bottom: 6px; }
.other input, .extra input {
  width: 100%; padding: 11px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 2px; font-size: 17px;
}

/* Navegación entre bloques */
.nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.nav .spacer { flex: 1; }

/* Revisión y envío */
.review { display: grid; gap: 8px; margin: 24px 0 34px; }
.review button {
  display: flex; justify-content: space-between; gap: 12px; text-align: left; width: 100%;
  padding: 14px 16px; background: var(--card); border: 1px solid var(--line); cursor: pointer; border-radius: 2px;
}
.review button:hover { border-color: var(--gold); }
.review .count { color: var(--gold-ink); white-space: nowrap; }
.confirm { background: var(--card); border: 1px solid var(--gold); padding: 22px; margin-top: 18px; }
.confirm .row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.error-box { color: var(--danger); margin-top: 14px; }

.thanks { text-align: left; margin-top: 4vh; }
.thanks .rule { width: 56px; height: 1px; background: var(--gold); margin: 26px 0; }

@media (max-width: 560px) {
  body { font-size: 17px; }
  .page { padding-top: 28px; }
  .q-text { font-size: 19px; }
  .nav .btn { flex: 1; }
  .save-status { font-size: 11px; }
}