@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 400 700; font-display: swap; src: url('/fonts/instrument-sans-var.woff2') format('woff2'); }
@font-face { font-family: 'Marcellus'; font-style: normal; font-weight: 400; font-display: swap; src: url('/fonts/marcellus.woff2') format('woff2'); }
@font-face { font-family: 'Young Serif'; font-style: normal; font-weight: 400; font-display: swap; src: url('/fonts/young-serif.woff2') format('woff2'); }

/* ==========================================================================
   LIBERTUS · landing
   Tokens: hierro (fondo), grafito (superficies), piedra (texto: la caliza de
   Delfos, no blanco), ceniza (secundario), cobre (acento: el eslabón abierto).
   ========================================================================== */
:root {
  --hierro: #141518;
  --grafito: #1F2127;
  --grafito-2: #2C2F38;
  --piedra: #E6DFD2;
  --ceniza: #9A948A;
  --cobre: #C4753F;
  --cobre-claro: #D98F57;
  --oxido: #7A3B25;
  --error: #E08A6B;

  --font-display: 'Young Serif', Georgia, 'Times New Roman', serif;
  --font-latin: 'Marcellus', 'Trajan Pro', Georgia, serif;
  --font-body: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --measure: 42rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --ease-out: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--hierro);
  color: var(--piedra);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
main { display: block; }
a { color: inherit; text-decoration-color: var(--cobre); text-underline-offset: .18em; }
a:hover { color: var(--cobre-claro); }
:focus-visible { outline: 2px solid var(--cobre); outline-offset: 3px; border-radius: 2px; }
em { font-style: italic; }
p { margin: 0 0 1.1em; }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---- Tipografía ------------------------------------------------------ */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; margin: 0; color: var(--piedra); }
h1 { font-size: clamp(2.25rem, 5.4vw + 1rem, 4.5rem); line-height: 1.04; letter-spacing: -.012em; text-wrap: balance; }
h2 { font-size: clamp(1.65rem, 2.3vw + 1rem, 2.6rem); line-height: 1.14; letter-spacing: -.008em; margin-bottom: 1rem; text-wrap: balance; }
h3 { font-size: 1.3rem; line-height: 1.25; margin-bottom: .35rem; }

.latin {
  font-family: var(--font-latin);
  font-size: .82rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cobre);
  margin: 0 0 1.1rem;
}
.latin span { color: var(--ceniza); letter-spacing: .12em; }
.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin: 0 0 1.2rem;
}
.lede { font-size: clamp(1.1rem, 1vw + .9rem, 1.35rem); line-height: 1.5; color: var(--piedra); max-width: 34rem; margin: 1.4rem auto 2rem; }
.strong { font-family: var(--font-display); font-size: 1.35rem; color: var(--piedra); }
.fine { font-size: .875rem; color: var(--ceniza); }
.wordmark { font-family: var(--font-latin); letter-spacing: .3em; font-size: 1rem; text-decoration: none; color: var(--piedra); }
.wordmark.small { font-size: .85rem; margin: 0 0 .6rem; }

/* ---- Cabecera -------------------------------------------------------- */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--pad);
  max-width: 72rem; margin: 0 auto;
}
.top-cta {
  font-size: .9rem; font-weight: 600; text-decoration: none;
  color: var(--piedra);
  border: 1px solid var(--grafito-2); border-radius: 999px;
  padding: .5rem 1rem;
  transition: border-color .2s, color .2s;
}
.top-cta:hover { border-color: var(--cobre); color: var(--cobre-claro); }

/* ---- Héroe: la cadena que se abre ------------------------------------ */
.hero {
  text-align: center;
  padding: clamp(2rem, 6vh, 4.5rem) var(--pad) clamp(3rem, 8vh, 6rem);
  max-width: 52rem; margin: 0 auto;
}
.chain { margin: 0 auto 2.2rem; width: min(92vw, 40rem); }
.chain svg { width: 100%; height: auto; display: block; overflow: visible; }
.link, .knot { fill: none; stroke: var(--piedra); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.knot { stroke: var(--ceniza); stroke-width: 4; }
.link-open {
  stroke-dasharray: 100;
  stroke-dashoffset: 0;
  transform-box: fill-box;
  transform-origin: 0% 50%;
}

/* Estado inicial: cadena cerrada y texto aún sin aparecer. */
.chain, .hero .eyebrow, .hero h1, .hero .lede, .hero .inline-form { opacity: 0; transform: translateY(10px); }

/* Estado listo: la cadena entra, el eslabón se abre, el texto sube. */
.is-ready .chain { opacity: 1; transform: none; transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.is-ready .link-open {
  stroke-dashoffset: 22;
  stroke: var(--cobre);
  transform: rotate(-8deg);
  transition: stroke-dashoffset .75s var(--ease-out) 1.05s, stroke .6s ease 1.05s, transform .75s var(--ease-out) 1.05s;
}
.is-ready .chain-right { transform: translateX(14px); transition: transform .75s var(--ease-out) 1.05s; }
.is-ready .hero .eyebrow, .is-ready .hero h1, .is-ready .hero .lede, .is-ready .hero .inline-form {
  opacity: 1; transform: none;
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.is-ready .hero .eyebrow { transition-delay: 1.35s; }
.is-ready .hero h1 { transition-delay: 1.45s; }
.is-ready .hero .lede { transition-delay: 1.6s; }
.is-ready .hero .inline-form { transition-delay: 1.75s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .chain, .hero .eyebrow, .hero h1, .hero .lede, .hero .inline-form { opacity: 1; transform: none; }
  .link-open { stroke-dashoffset: 22; stroke: var(--cobre); transform: rotate(-8deg); }
  .chain-right { transform: translateX(14px); }
  .is-ready .chain, .is-ready .link-open, .is-ready .chain-right,
  .is-ready .hero .eyebrow, .is-ready .hero h1, .is-ready .hero .lede, .is-ready .hero .inline-form { transition: none; }
}

/* ---- Formularios ----------------------------------------------------- */
input[type=email] {
  width: 100%; min-height: 3.25rem;
  padding: .8rem 1rem;
  font: inherit; color: var(--piedra);
  background: var(--grafito);
  border: 1px solid var(--grafito-2); border-radius: 6px;
  transition: border-color .2s;
}
input[type=email]::placeholder { color: var(--ceniza); }
input[type=email]:focus { border-color: var(--cobre); outline: none; }
button[type=submit] {
  min-height: 3.25rem;
  padding: .8rem 1.5rem;
  font: inherit; font-weight: 700;
  color: var(--hierro);
  background: var(--cobre);
  border: 0; border-radius: 6px;
  cursor: pointer;
  transition: background-color .2s, transform .15s;
}
button[type=submit]:hover { background: var(--cobre-claro); }
button[type=submit]:active { background: var(--oxido); color: var(--piedra); transform: translateY(1px); }
button[type=submit]:disabled { opacity: .6; cursor: default; }
.form-note { font-size: .875rem; color: var(--ceniza); margin: .9rem 0 0; }
.form-status { margin: .6rem 0 0; font-weight: 600; min-height: 1.5em; }
.form-status[data-kind=error] { color: var(--error); }
.form-status[data-kind=pending] { color: var(--ceniza); }
.form-status[data-kind=ok] { color: var(--piedra); font-family: var(--font-display); font-weight: 400; font-size: 1.25rem; }
form.is-done input, form.is-done button, form.is-done fieldset, form.is-done .field, form.is-done .form-note { display: none; }

.inline-form { display: grid; grid-template-columns: 1fr; gap: .6rem; max-width: 30rem; margin: 0 auto; text-align: left; }
.inline-form .form-note, .inline-form .form-status { grid-column: 1 / -1; text-align: center; }
@media (min-width: 30rem) {
  .inline-form { grid-template-columns: 1fr auto; }
}

/* ---- Bloques de lectura ---------------------------------------------- */
.block {
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(3rem, 7vh, 5.5rem) var(--pad) 0;
}
.block > p { max-width: 38rem; }

.two-readings {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  margin: 2rem 0 1.6rem;
}
@media (min-width: 40rem) { .two-readings { grid-template-columns: 1fr 1fr; } }
.two-readings blockquote {
  margin: 0; padding: 1.4rem 1.5rem 1.2rem;
  background: var(--grafito); border-radius: 6px;
}
.two-readings blockquote p { font-family: var(--font-display); font-size: 1.2rem; line-height: 1.35; margin: 0 0 .9rem; }
.two-readings cite { font-style: normal; font-family: var(--font-latin); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ceniza); }

/* La línea de tiempo: DÍA 1 → 30 → 90. Los números son datos, no adorno. */
.days { list-style: none; margin: 2rem 0 0; padding: 0; }
.days li {
  display: grid; grid-template-columns: 1fr; gap: .2rem 1.5rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--grafito-2);
}
.days li:last-child { border-bottom: 1px solid var(--grafito-2); }
.days .day { font-family: var(--font-latin); letter-spacing: .18em; text-transform: uppercase; font-size: .85rem; color: var(--cobre); padding-top: .35rem; }
.days p { margin: 0; max-width: 34rem; }
@media (min-width: 40rem) {
  .days li { grid-template-columns: 6.5rem 1fr; }
  .days h3 { grid-column: 2; }
  .days p { grid-column: 2; }
}

.noes { margin: 1.8rem 0 0; display: grid; gap: 1.4rem; }
.noes div { max-width: 38rem; }
.noes dt { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: .2rem; }
.noes dd { margin: 0; color: var(--piedra); }

/* ---- El acta: la firma del sitio -------------------------------------- */
.acta { padding: clamp(4rem, 10vh, 7rem) var(--pad) clamp(3rem, 8vh, 5rem); }
.acta-plate {
  position: relative;
  max-width: 44rem; margin: 0 auto;
  padding: clamp(1.75rem, 5vw, 3rem);
  background: var(--grafito);
  border: 1px solid var(--grafito-2);
  border-radius: 8px;
}
/* Cuatro marcas de esquina, como las guías de un cantero antes de tallar. */
.acta-plate::before, .acta-plate::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border: 1px solid var(--cobre); pointer-events: none;
}
.acta-plate::before { top: 10px; left: 10px; border-width: 1px 0 0 1px; }
.acta-plate::after { bottom: 10px; right: 10px; border-width: 0 1px 1px 0; }
.acta-plate .latin { display: flex; align-items: baseline; gap: .4em; }
.acta-plate .latin span { margin-right: auto; }
.acta-plate .latin::after { content: "MMXXVI"; color: var(--ceniza); letter-spacing: .14em; }
.acta-plate > p { max-width: 36rem; }

.acta-form { margin-top: 1.8rem; display: grid; gap: 1.3rem; }
.field { margin: 0; padding: 0; border: 0; min-width: 0; }
.field label, .field legend { display: block; font-weight: 600; font-size: .95rem; margin-bottom: .45rem; }
.field .opt { font-weight: 400; color: var(--ceniza); font-size: .85rem; margin-left: .35rem; }
.choices { display: flex; flex-wrap: wrap; gap: .5rem; }
.choices label {
  position: relative; margin: 0;
  padding: .6rem 1rem;
  border: 1px solid var(--grafito-2); border-radius: 999px;
  background: var(--hierro);
  font-weight: 500; font-size: .95rem;
  cursor: pointer; user-select: none;
  transition: border-color .2s, color .2s;
}
.choices input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.choices label:hover { border-color: var(--ceniza); }
.choices label:has(input:checked) { border-color: var(--cobre); color: var(--cobre-claro); }
.choices label:has(input:focus-visible) { outline: 2px solid var(--cobre); outline-offset: 2px; }
.consent label { display: flex; gap: .7rem; align-items: flex-start; font-weight: 400; cursor: pointer; }
.consent input { margin: .3rem 0 0; width: 1.1rem; height: 1.1rem; accent-color: var(--cobre); flex: none; }
.acta-form button[type=submit] { justify-self: start; min-width: 12rem; }

/* ---- Pie -------------------------------------------------------------- */
.foot {
  text-align: center;
  padding: 2rem var(--pad) 3rem;
  color: var(--ceniza); font-size: .9rem;
  border-top: 1px solid var(--grafito-2);
  margin-top: 2rem;
}
.foot p { margin: 0 0 .5rem; }
.foot a { color: var(--piedra); }

/* ---- Página legal ----------------------------------------------------- */
.legal { max-width: var(--measure); margin: 0 auto; padding: 2rem var(--pad) 3rem; }
.legal h1 { font-size: clamp(1.9rem, 3vw + 1rem, 3rem); margin-bottom: .8rem; }
.legal h2 { font-size: 1.35rem; margin: 2rem 0 .5rem; }
.legal ul { padding-left: 1.2rem; }
.legal li { margin-bottom: .5rem; }