/* =========================================================
   PRINTOLOGIA — "Cuarto de tinta"
   Cuarto de prensa a oscuras · mesa de luz · control CMYK
   ========================================================= */

/* ---------- TOKENS ---------- */
:root {
  --ink:    #0C0D0F;
  --panel:  #141619;
  --paper:  #FAF8F3;
  --tx:     #EDEDEA;
  --dim:    #9A9C9E;
  --line:   #23262A;
  --hair:   #2D3036;

  --c: #22B8E6;
  --m: #FF3DA6;
  --y: #FFD93B;
  --k: #1A1C1F;

  --display: 'Syne', system-ui, sans-serif;
  --ui:      'Space Grotesk', system-ui, sans-serif;
  --mono:    'Space Mono', ui-monospace, monospace;

  --gap-head: 2.5rem; /* separación rótulo↔contenido, idéntica en todo el sitio */
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* 64px header sticky + holgura: el ancla no queda tapada */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--tx);
  font-family: var(--ui);
  font-weight: 400;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, dl, dd, ol, ul { margin: 0; }
ol, ul { list-style: none; padding: 0; }

.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
  width: 100%;
}

/* ---------- FOCUS (info de affordance, no decoración) ---------- */
a:focus-visible,
.btn:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =========================================================
   HEADER
   ========================================================= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand__logo { width: 28px; height: 28px; }
.brand__name {
  font: 800 1.05rem/1 var(--display);
  letter-spacing: -.01em;
}

.nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: center;
}
.nav__link {
  color: var(--dim);
  font: 500 .95rem/1 var(--ui);
  transition: color .18s ease;
}
.nav__link:hover { color: var(--tx); }
.nav__cta {
  background: var(--paper);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: .5em 1em;
  border-radius: 2px;
  font: 600 .95rem/1 var(--ui);
  transition: transform .18s ease;
}
.nav__cta:hover { transform: translateY(-2px); }

.burger { display: none; }

/* =========================================================
   BUTTONS (máximo contraste, sin shine ni glow)
   ========================================================= */
.btn {
  font: 600 .95rem/1 var(--ui);
  padding: .85em 1.4em;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn--paper { background: var(--paper); color: var(--ink); }
.btn--ink   { background: transparent; color: var(--tx); border-color: var(--hair); }
.btn:hover { transform: translateY(-2px); }
.btn--ink:hover { border-color: var(--dim); }

/* =========================================================
   HERO
   ========================================================= */
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  min-height: min(88vh, 760px);
  padding-block: clamp(3rem, 8vh, 6rem);
}
.hero__copy { min-width: 0; }

.eyebrow {
  font: 400 .72rem/1 var(--mono);
  letter-spacing: .16em; /* rol "label mono", tamaño ~.7rem */
  text-transform: uppercase;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .9rem; /* eyebrow se agrupa con el h1 */
}
.reg-dot {
  width: 12px; height: 12px; flex: 0 0 auto;
  background:
    radial-gradient(circle, transparent 3px, var(--dim) 3px 4px, transparent 4px),
    linear-gradient(var(--dim), var(--dim)) center / 1px 100% no-repeat,
    linear-gradient(var(--dim), var(--dim)) center / 100% 1px no-repeat;
}

.hero__title {
  font: 800 clamp(2.6rem, 7vw, 5.6rem)/.96 var(--display);
  letter-spacing: -.02em;
  text-wrap: balance;
  margin: 0 0 .55em; /* mismo ritmo que las cabeceras de sección: rótulo arriba, lede abajo */
}
.hero__title .ink {
  font-style: italic;
  letter-spacing: -.02em; /* iguala la densidad del título: el contraste es solo de estilo */
}

.hero__lede {
  font: 400 clamp(1rem, 1.3vw, 1.15rem)/1.6 var(--ui);
  color: var(--dim);
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

.hero__spec {
  display: flex;
  margin-top: 2.5rem;
}
.spec {
  padding-inline: 1.25rem;
  border-left: 1px solid var(--line);
}
.spec:first-child { padding-left: 0; border-left: 0; }
.hero__spec dt {
  font: 400 .7rem/1 var(--mono);
  letter-spacing: .16em; /* rol "label mono", tamaño ~.7rem */
  text-transform: uppercase;
  color: var(--dim);
}
.hero__spec dd {
  font: 600 1.35rem/1.1 var(--display); /* "dato display": mismo leading que contacto, mayor tamaño por jerarquía */
  margin-top: .4rem;
}

/* ----- FIRMA A: LA PRUEBA (espécimen-héroe sobre mesa de luz) ----- */
.proof {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 5;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: .8rem;
  padding: clamp(1rem, 2.5vw, 1.8rem);
  min-width: 0;
}
.proof__reg {
  position: absolute;
  width: 22px; height: 22px;
  background:
    radial-gradient(circle, transparent 6px, var(--dim) 6px 7px, transparent 7px),
    linear-gradient(var(--dim), var(--dim)) center / 1px 100% no-repeat,
    linear-gradient(var(--dim), var(--dim)) center / 100% 1px no-repeat;
}
.proof__reg--tl { top: -2px;    left: -2px; }
.proof__reg--tr { top: -2px;    right: -2px; }
.proof__reg--bl { bottom: 64px; left: -2px; }
.proof__reg--br { bottom: 64px; right: -2px; }

.proof__sheet {
  position: relative;
  border-radius: 3px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 70%, #FFFFFF 0%, var(--paper) 48%, #ECE9E1 100%);
  box-shadow:
    inset 0 0 0 1px rgba(12,13,15,.06),
    inset 0 1px 0 rgba(255,255,255,.9),
    0 40px 90px -40px rgba(0,0,0,.85);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
}
.proof__specimen {
  width: 76%;
  height: auto;
  mix-blend-mode: multiply;
  filter: contrast(1.03);
}
.proof__ficha {
  position: absolute;
  left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  gap: .1rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .05em;
}
.proof__method {
  background: var(--ink);
  color: var(--tx);
  padding: .3rem .6rem;
  width: max-content;
  max-width: 100%;
}
.proof__meta {
  color: var(--ink);
  background: color-mix(in srgb, var(--paper) 85%, transparent);
  padding: .2rem .6rem;
  width: max-content;
}

.proof__bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  height: 48px;
}
.patch {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.patch i { position: absolute; inset: 0; }
.patch b {
  position: relative;
  font: 700 .6rem/1 var(--mono);
  padding-bottom: .35rem;
}
.patch--c i { background: var(--c); }
.patch--m i { background: var(--m); }
.patch--y i { background: var(--y); }
.patch--k i { background: var(--k); outline: 1px solid var(--line); outline-offset: -1px; }
.patch--c b, .patch--m b, .patch--y b { color: var(--ink); }
.patch--k b { color: var(--tx); }

/* ----- FIRMA B: TIRA DE REGISTRO (costura full-width) ----- */
.registry {
  display: flex;
  align-items: flex-end;
  gap: clamp(1rem, 3vw, 2.6rem);
  padding: 1rem clamp(1rem, 4vw, 3rem);
  position: relative;
  border-top: 1px solid var(--line);
}
.registry::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(250,248,243,.25), transparent);
}
.registry__mark {
  flex: 0 0 auto;
  color: var(--dim);
  line-height: 0;
}
.registry__wedge {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  flex: 1;
  min-width: 0;
}
.registry__wedge li {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  min-width: 0;
}
.wedge__bar {
  width: 100%;
  height: calc(20px + var(--d) * 44px);
  /* Piso de la rampa: el 10% sigue visible sobre tinta (mezcla mín. ~18%) */
  background: color-mix(in srgb, var(--paper) calc(var(--d) * 82% + 18%), #16181B);
  transform-origin: bottom;
}
.wedge__pc {
  font: 400 .66rem/1 var(--mono); /* sube de .58rem: la escala de densidad debe verse nítida (firma) */
  color: var(--dim);
}
.registry__legend {
  font: 400 .66rem/1 var(--mono); /* sube de .62rem por la misma razón */
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}

/* =========================================================
   SECTIONS (calladas)
   ========================================================= */
.section { padding-block: clamp(4rem, 9vh, 7rem); }
.section--panel {
  background: var(--panel);
  border-block: 1px solid var(--line);
}

.section__head { max-width: 62ch; } /* la cabecera es una sola columna de medida */
.section__kicker {
  font: 400 .7rem/1 var(--mono);
  letter-spacing: .16em; /* rol "label mono", tamaño ~.7rem */
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: .65rem; /* el kicker se pega al título (jerarquía de agrupamiento) */
}
.section__title {
  font: 700 clamp(1.8rem, 4vw, 3rem)/1.05 var(--display);
  letter-spacing: -.01em;
  text-wrap: balance;
  margin: 0 0 1rem; /* título→lede respira más que kicker→título */
}
.section__lede {
  color: var(--dim);
  max-width: 54ch;
}
.section__cta { margin-top: 1.5rem; }

/* ----- QUÉ HACEMOS: caps (filetes por gap + fondo) ----- */
.caps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  margin-top: var(--gap-head);
}
.cap {
  background: var(--ink);
  padding: 1.75rem;
  min-width: 0;
}
.cap__tag {
  font: 400 .68rem/1.4 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dim);
}
.cap h3 {
  font: 700 1.2rem/1.2 var(--display);
  margin: .6rem 0 .5rem;
}
.cap__body {
  color: var(--dim);
  font-size: .95rem;
}

/* ----- ESPECÍMENES (galería = mesa de luz) ----- */
.specimens {
  margin-top: var(--gap-head);
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.card { min-width: 0; }
.card__sheet {
  position: relative;
  aspect-ratio: 1;
  border-radius: 3px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: radial-gradient(120% 90% at 50% 60%, #FFFFFF 0%, var(--paper) 50%, #ECE9E1 100%);
  box-shadow:
    inset 0 0 0 1px rgba(12,13,15,.06),
    0 28px 60px -34px #000;
  filter: brightness(1) contrast(1.03); /* encendido por defecto (sin JS) */
  transition: filter .6s ease, transform .35s ease, box-shadow .35s ease;
}
/* Apagado inicial solo con JS; el IntersectionObserver lo enciende con .is-lit */
.js .card__sheet { filter: brightness(.72) contrast(.95); }
.card__sheet img {
  width: 72%;
  height: auto;
  mix-blend-mode: multiply;
  filter: contrast(1.03);
}
.card.is-lit .card__sheet { filter: brightness(1) contrast(1.03); }

.card:hover .card__sheet,
.card:focus-within .card__sheet {
  transform: translateY(-6px);
  filter: brightness(1.05) contrast(1.05);
  box-shadow:
    inset 0 0 0 1px rgba(12,13,15,.06),
    0 40px 80px -34px #000;
}

.card__ficha {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  margin-top: .7rem;
  font-family: var(--mono);
}
.card__name {
  color: var(--tx);
  font-weight: 700;
  font-size: .9rem;
  transition: color .18s ease;
}
.card:hover .card__name,
.card:focus-within .card__name { color: var(--c); }
.card__method {
  color: var(--dim);
  font-size: .72rem;
}

.specimens__note {
  margin-top: 2rem;
  color: var(--dim);
  font-size: .9rem;
}

/* ----- CATÁLOGOS ----- */
.catalog {
  display: grid;
  gap: 1.5rem;
  margin-top: var(--gap-head);
}
.catalog__copy {
  color: var(--dim);
  max-width: 62ch;
}
.catalog__actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

/* ----- CONTACTO ----- */
.contact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  margin: var(--gap-head) 0;
}
.contact__card {
  background: var(--panel);
  padding: 1.5rem;
  min-width: 0;
}
.contact__card dt {
  font: 400 .7rem/1 var(--mono);
  letter-spacing: .16em; /* rol "label mono", tamaño ~.7rem */
  text-transform: uppercase;
  color: var(--dim);
}
.contact__card dd {
  font: 600 1.1rem/1.1 var(--display); /* "dato display": mismo leading que hero */
  margin-top: .4rem;
  word-break: break-word;
}
.contact__card a {
  color: var(--tx);
  transition: color .18s ease;
}
.contact__card a:hover { color: var(--c); }

.contact__panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: clamp(1.5rem, 3vw, 2rem);
}
.contact__panel-text { min-width: 0; }
.contact__panel-title {
  font: 700 1.15rem/1.2 var(--display);
}
.contact__panel-body {
  color: var(--dim);
  font-size: .95rem;
  margin-top: .4rem;
  max-width: 52ch;
}
.contact__cta { flex: 0 0 auto; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  justify-content: space-between;
  align-items: flex-start;
}
.footer__brandblock { min-width: 0; }
.footer__brand {
  font: 800 1rem/1 var(--display);
}
.footer__chips {
  display: inline-flex;
  gap: 4px;
  margin-left: .6rem;
  vertical-align: middle;
}
.chip { width: 8px; height: 8px; border-radius: 1px; display: inline-block; }
.chip--c { background: var(--c); }
.chip--m { background: var(--m); }
.chip--y { background: var(--y); }
.chip--k { background: var(--k); outline: 1px solid var(--line); outline-offset: -1px; }
.footer__tag {
  color: var(--dim);
  font-size: .85rem;
  margin-top: .6rem;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
}
.footer__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding-block: .35rem;
  color: var(--dim);
  font-size: .9rem;
  transition: color .18s ease;
}
.footer__nav a:hover { color: var(--tx); }

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem 1.5rem;
  align-items: baseline;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.footer__line,
.footer__author {
  color: var(--dim);
  font-size: .85rem;
}

/* =========================================================
   MOTION — secuencia "encender la mesa de luz" al cargar
   Progressive enhancement: el estado ENCENDIDO es el default (sin JS la
   mesa de luz se ve bien). El estado "apagado" inicial solo existe cuando
   el documento tiene la clase .js, y el JS lo enciende con .is-on.
   ========================================================= */
/* Estado inicial (apagado) — solo con JS, antes de .is-on */
.js .proof__sheet {
  filter: brightness(.55) contrast(.92);
  opacity: .7;
}
.proof__reg {
  transform: translate(var(--rx, 0), var(--ry, 0));
  transition: opacity .4s ease, transform .4s ease;
}
.js .proof__reg {
  opacity: 0;
}
.proof__reg--tl { --rx: -6px; --ry: -6px; }
.proof__reg--tr { --rx:  6px; --ry: -6px; }
.proof__reg--bl { --rx: -6px; --ry:  6px; }
.proof__reg--br { --rx:  6px; --ry:  6px; }

.patch {
  transition: opacity .35s ease, transform .35s ease;
}
.js .patch {
  opacity: 0;
  transform: translateY(6px);
}

.wedge__bar {
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--i) * 45ms);
}
.js .wedge__bar {
  transform: scaleY(0);
}
.wedge__pc {
  transition: opacity .3s ease;
  transition-delay: calc(var(--i) * 45ms + 200ms);
}
.js .wedge__pc {
  opacity: 0;
}

/* Estado encendido (.is-on en body tras load) */
.is-on .proof__sheet {
  filter: brightness(1) contrast(1.03);
  opacity: 1;
}
.is-on .proof__reg {
  opacity: .55;
  transform: translate(0, 0);
}
.is-on .proof__reg--tr { transition-delay: 60ms; }
.is-on .proof__reg--bl { transition-delay: 120ms; }
.is-on .proof__reg--br { transition-delay: 180ms; }

.is-on .patch { opacity: 1; transform: translateY(0); }
.is-on .patch--m { transition-delay: 70ms; }
.is-on .patch--y { transition-delay: 140ms; }
.is-on .patch--k { transition-delay: 210ms; }

.is-on .wedge__bar { transform: scaleY(1); }
.is-on .wedge__pc { opacity: 1; }

/* Conserva el hover de la prueba sobre el estado encendido */
.is-on .proof:hover .proof__sheet {
  transform: translateY(-6px);
  filter: brightness(1.05) contrast(1.05);
  box-shadow:
    inset 0 0 0 1px rgba(12,13,15,.06),
    inset 0 1px 0 rgba(255,255,255,.9),
    0 56px 110px -40px rgba(0,0,0,.9);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px) {
  .nav { display: none; }
  .nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    inset: 64px 0 auto 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 1rem clamp(1.25rem, 4vw, 2rem) 1.5rem;
    gap: 1rem;
  }
  /* Área táctil >=44px en cada enlace del menú abierto */
  .nav.is-open .nav__link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding-block: .5rem;
  }
  .nav.is-open .nav__cta {
    text-align: center;
    min-height: 44px;
  }

  .burger {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
  }
  .burger span {
    width: 22px;
    height: 2px;
    background: var(--tx);
    transition: transform .2s ease, opacity .2s ease;
  }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero__grid { grid-template-columns: 1fr; }
  .proof { order: -1; max-width: 440px; margin-inline: auto; width: 100%; }

  .caps { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  .hero__title { font-size: clamp(2.1rem, 11vw, 2.8rem); }
  /* La escala de densidad cabe completa sin scroll: gap y barras más finas */
  .registry { gap: 1rem; padding-inline: 1rem; }
  .registry__wedge { gap: 3px; }
  .wedge__bar { height: calc(16px + var(--d) * 34px); }
  .wedge__pc { font-size: .58rem; }
  .registry__legend { display: none; } /* la leyenda accesible vive en el aria-label del contenedor */
  /* Tres specs en una sola fila: padding más fino para que quepan sin envolver
     (envolver dejaría un filete-divisor huérfano al inicio de la 2ª fila). */
  .spec { padding-inline: .8rem; }
  .hero__actions .btn { flex: 1 1 auto; }
}

/* =========================================================
   REDUCED MOTION — estado final encendido, estático
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  /* Mesa de luz ya encendida (gana a las reglas .js de apagado inicial) */
  .js .proof__sheet,
  .proof__sheet { filter: brightness(1) contrast(1.03); opacity: 1; }
  .js .proof__reg,
  .proof__reg { opacity: .55; transform: none; }
  .js .patch,
  .patch { opacity: 1; transform: none; }
  .js .card__sheet,
  .card__sheet { filter: brightness(1) contrast(1.03); }

  /* Tira de registro ya calibrada */
  .js .wedge__bar,
  .wedge__bar { transform: none; transition-delay: 0s; }
  .js .wedge__pc,
  .wedge__pc { opacity: 1; transition-delay: 0s; }

  /* Hover conservado como affordance, sin movimiento */
  .proof:hover .proof__sheet,
  .is-on .proof:hover .proof__sheet,
  .card:hover .card__sheet,
  .card:focus-within .card__sheet,
  .btn:hover,
  .nav__cta:hover { transform: none; }
}