/* ═══════════════════════════════════════════════════════════
   i/nu — a purple dog, quoted in $NU
   Impressao riso de duas tintas: roxo e preto, sobre papel cru.
   O papel e o grao sao recortados da propria arte (assets/paper.jpg).
   ═══════════════════════════════════════════════════════════ */

:root {
  /* ── as duas tintas e o papel ── */
  --paper:       #E6D8CA;   /* o papel, medido na arte      */
  --paper-hi:    #F2E6DA;   /* papel onde nada foi prensado */
  --paper-lo:    #D6C5B6;   /* papel na dobra               */
  --violet:      #7A5A8F;   /* a tinta roxa                 */
  --violet-band: #785592;   /* o ceu da estampa             */
  --violet-deep: #4A3260;   /* roxo sobre roxo              */
  --ink:         #241C28;   /* o bloco de traco             */
  --ink-soft:    #56495E;
  --beni:        #B8332A;   /* o selo, unica tinta quente   */

  --display: "Bowlby One", "Arial Black", system-ui, sans-serif;
  --serif:   "Shippori Mincho B1", "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
  --text:    "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Segoe UI", system-ui, sans-serif;
  --mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* ruido fino por cima de tudo, pra tudo virar a mesma folha */
  --grain: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.55'/></svg>");

  /* hachura diagonal: a mesma da neve da estampa */
  --hatch: repeating-linear-gradient(-48deg,
             rgba(122, 90, 143, .55) 0 2px,
             transparent 2px 7px);

  --wrap: 1080px;
  --drop: 9px 9px 0 rgba(36, 28, 40, .82);
  --drop-sm: 5px 5px 0 rgba(36, 28, 40, .78);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* o atributo hidden tem que vencer qualquer display que venha depois */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper) url("assets/paper.jpg") repeat;
  background-size: 560px 560px;
  color: var(--ink);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* o grao que une a pagina e as estampas numa folha so */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: var(--grain);
  mix-blend-mode: multiply;
  opacity: .16;
  pointer-events: none;
  z-index: 60;
}

body.is-locked { overflow: hidden; }

img { max-width: 100%; display: block; }
figure { margin: 0; }

/* o sprite nao pode ocupar espaco: inline como estava, ele abria uma linha de
   texto acima do header e empurrava a banda roxa pra baixo. display:none
   quebraria o <use> em alguns navegadores, entao so sai do fluxo. */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.u-hide {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 90;
  background: var(--ink); color: var(--paper-hi);
  padding: 10px 16px; font-weight: 700;
}
.skip:focus { left: 12px; top: 12px; }

:focus-visible { outline: 3px solid var(--beni); outline-offset: 3px; }

.mono { font-family: var(--mono); font-size: .92em; letter-spacing: -.01em; }

.link {
  color: var(--violet-deep);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid rgba(122, 90, 143, .45);
  padding-bottom: 1px;
  transition: border-color .15s, color .15s;
}
.link:hover { color: var(--ink); border-bottom-color: var(--beni); }

/* ─────────── banda roxa: o ceu da estampa, continuado ─────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--violet-band);
  background-image: var(--grain);
  background-blend-mode: multiply;
  border-bottom: 2px solid var(--ink);
}

.topbar__in {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 24px;
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar__mark {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 25px;
  line-height: 1;
  color: var(--paper-hi);
  text-decoration: none;
  text-shadow: 2px 2px 0 var(--violet-deep);
}

.topbar__nav {
  display: flex;
  gap: 22px;
  margin-right: auto;
  flex-wrap: wrap;
}
.topbar__nav a {
  color: var(--paper-hi);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.topbar__nav a:hover { border-bottom-color: var(--paper-hi); }

/* ─────────── botoes e fichas ─────────── */

.btn {
  display: inline-block;
  font-family: var(--text);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  padding: 14px 22px;
  color: var(--paper-hi);
  background: var(--violet);
  border: 2px solid var(--ink);
  box-shadow: var(--drop-sm);
  text-decoration: none;
  transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 rgba(36,28,40,.78); }
.btn:active { transform: translate(5px, 5px); box-shadow: none; }

.btn--sm { padding: 9px 14px; font-size: 14px; box-shadow: 3px 3px 0 rgba(36,28,40,.8); }
.btn--sm:hover { transform: translate(1px,1px); box-shadow: 2px 2px 0 rgba(36,28,40,.8); }

.btn--go { font-size: 17px; padding: 16px 28px; }

/* estado "ainda nao lancou": nao finge que da pra comprar */
.btn.is-soon {
  background: transparent;
  color: var(--ink-soft);
  border-style: dashed;
  box-shadow: none;
  cursor: default;
  font-weight: 500;
}
.btn.is-soon:hover { transform: none; box-shadow: none; }
/* na banda roxa o mesmo estado precisa da tinta clara pra ser legivel */
.topbar .btn.is-soon {
  color: var(--paper-hi);
  border-color: rgba(242, 230, 218, .55);
}

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--text);
  font-size: 15px;
  padding: 12px 18px;
  background: var(--paper-hi);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: var(--drop-sm);
  cursor: pointer;
  transition: transform .12s, box-shadow .12s;
}
.chip__label {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.chip__value { font-family: var(--mono); font-weight: 500; }
.chip.is-live:hover { transform: translate(2px,2px); box-shadow: 3px 3px 0 rgba(36,28,40,.78); }
.chip.is-copied { background: var(--violet); color: var(--paper-hi); }
.chip.is-copied .chip__label { color: rgba(242,230,218,.75); }
.chip:disabled {
  cursor: default;
  background: transparent;
  border-style: dashed;
  box-shadow: none;
  color: var(--ink-soft);
}

/* ─────────── entrada por scroll ─────────── */
/* cada bloco sobe um pouco e aparece quando entra na tela. so existe com JS
   ligado e so se o usuario nao pediu menos movimento -- sem isso, tudo ja
   nasce visivel, que e o estado correto. */

.js-anim [data-reveal] {
  opacity: 0;
  translate: 0 22px;
  transition:
    opacity .75s cubic-bezier(.22, .7, .3, 1),
    translate .75s cubic-bezier(.22, .7, .3, 1),
    text-shadow .85s cubic-bezier(.2, .8, .2, 1);
}
.js-anim [data-reveal].is-in { opacity: 1; translate: 0 0; }

/* ─────────── capa ─────────── */

.hero { position: relative; overflow: hidden; }

/* a capa e uma coluna so, centrada: nome, a colagem, e a informacao embaixo */
.hero__in {
  padding-block: 42px 66px;
  text-align: center;
}
.hero__body { max-width: 640px; margin-inline: auto; }
.hero__body .lede { margin-inline: auto; }
.hero__body .actions { justify-content: center; }

/* o selo: deixa claro de cara onde o token foi feito */
.stamp {
  display: inline-block;
  margin: 24px 0 0;
  padding: 8px 15px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--paper-hi);
  background: var(--violet);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(36, 28, 40, .8);
  transform: rotate(-1.2deg);
}
.stamp a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid rgba(242, 230, 218, .55);
}
.stamp a:hover { border-bottom-color: var(--paper-hi); }

/* duas provas coladas: o logo e, por cima, o cachorro tampando um pedaco */
.hero__logo {
  position: relative;
  width: min(500px, 100%);
  margin: 28px auto 26px;
  padding-bottom: 52px;
}

.plate--logo {
  transform: rotate(-1.8deg);
  animation: logo-float 9s ease-in-out infinite;
  transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s;
}
/* no hover a chapa entra em registro: endireita e a sombra recolhe */
.plate--logo:hover {
  transform: rotate(0deg);
  box-shadow: 5px 5px 0 rgba(36, 28, 40, .82);
  animation-play-state: paused;
}

@keyframes logo-float {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -7px; }
}

.plate--dog {
  position: absolute;
  left: -10%;
  bottom: 0;
  width: 57%;
  z-index: 2;
  transform: rotate(3.4deg);
  box-shadow: 7px 7px 0 rgba(36, 28, 40, .82);
  transition: transform .35s cubic-bezier(.2, .8, .2, 1);
}
.plate--dog:hover { transform: rotate(0deg) scale(1.04); }

/* faiscas de quatro pontas, as mesmas da estampa */
.spark {
  position: absolute;
  fill: var(--violet);
  animation: twinkle 4.5s ease-in-out infinite;
}
.spark--1 { width: 30px; height: 30px; top: -24px; left: -20px; animation-duration: 5.2s; }
.spark--2 { width: 19px; height: 19px; bottom: -16px; right: 34px; animation-delay: -1.7s; }
.spark--3 { width: 15px; height: 15px; top: 34%; right: -24px; animation-delay: -3.1s; animation-duration: 6s; }

@keyframes twinkle {
  0%, 100% { opacity: .22; scale: .78; }
  50%      { opacity: 1;   scale: 1; }
}


.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(56px, 13vw, 128px);
  line-height: .92;
  margin: 0;
  color: var(--paper-hi);
  letter-spacing: .01em;
  -webkit-text-stroke: 3px var(--ink);
  paint-order: stroke fill;
  text-shadow:
     4px 4px 0 var(--violet),
     8px 8px 0 var(--violet),
    10px 10px 0 var(--ink);
}

.gloss {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--violet-deep);
  letter-spacing: .04em;
}

.lede {
  margin: 30px 0 0;
  font-size: 20px;
  line-height: 1.66;
  max-width: 60ch;
}
.lede strong { font-weight: 700; color: var(--violet-deep); }

/* a equacao: as letras da propria estampa, em CSS */
.equation {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: .22em;
  font-family: var(--display);
  font-size: clamp(40px, 9vw, 86px);
  line-height: 1;
}
.tk {
  color: var(--paper-hi);
  -webkit-text-stroke: 2.5px var(--ink);
  paint-order: stroke fill;
  text-shadow:
    3px 3px 0 var(--violet),
    6px 6px 0 var(--violet),
    8px 8px 0 var(--ink);
}
.tk__op { color: var(--violet); font-size: .8em; opacity: .85; }

.equation__say {
  margin: 26px 0 0;
  font-family: var(--serif);
  font-size: 19px;
  color: var(--violet-deep);
}

.actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 16px 20px;
  flex-wrap: wrap;
}

/* ─────────── titulos de secao ─────────── */

section h2 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1.16;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .42em;
  color: var(--ink);
  /* desregistro: a chapa roxa saiu 2px fora do lugar */
  text-shadow: 2px 2px 0 rgba(122, 90, 143, .5);
  transition: text-shadow .85s cubic-bezier(.2, .8, .2, 1);
}

/* a chapa chega torta e assenta quando a secao entra na tela.
   so vale com JS ligado: sem ele o titulo ja nasce em registro. */
.js-anim section h2:not(.is-set) { text-shadow: 9px 9px 0 rgba(122, 90, 143, .55); }

.num {
  font-family: var(--serif);
  color: var(--violet);
  font-size: .82em;
  -webkit-text-stroke: 0;
  text-shadow: none;
}

.sub {
  margin: 12px 0 0;
  font-size: 18px;
  color: var(--ink-soft);
}

/* regua hachurada entre as secoes */
section + section { border-top: 2px solid var(--ink); }

.pair, .puppy, .series { padding-block: 74px; position: relative; }
.pair::before, .puppy::before, .series::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 16px;
  background-image: var(--hatch);
  opacity: .5;
  pointer-events: none;
}

/* ─────────── o par ─────────── */

.pair__grid { margin-top: 46px; }

.notes {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: n;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
}
.notes li { counter-increment: n; padding-left: 46px; position: relative; }
.notes li::before {
  content: counter(n, decimal-leading-zero);
  position: absolute;
  left: 0; top: 2px;
  font-family: var(--display);
  font-size: 22px;
  color: var(--paper-hi);
  -webkit-text-stroke: 2px var(--ink);
  paint-order: stroke fill;
  text-shadow: 2px 2px 0 var(--violet);
}
.notes h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--violet-deep);
}
.notes p { margin: 0; }
.notes strong { color: var(--ink); }

/* colunas contadas a mao: auto-fit sobrava celula vazia mostrando o fundo preto */
.facts {
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--ink);
  border: 2px solid var(--ink);
}
.facts > div { background: var(--paper-hi); padding: 18px 20px; }
.facts dt {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.facts dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }

.facts--inline { margin-top: 34px; grid-template-columns: repeat(3, 1fr); }

.disclaimer {
  margin: 34px 0 0;
  padding: 18px 22px;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--ink-soft);
  border: 2px dashed rgba(36, 28, 40, .45);
  background: rgba(242, 230, 218, .5);
}
.disclaimer strong { color: var(--ink); }

/* ─────────── placas (as estampas) ─────────── */

.plate {
  background: var(--paper-hi);
  border: 2px solid var(--ink);
  box-shadow: var(--drop);
  padding: 10px;
}
.plate img { width: 100%; height: auto; }

.plate--round { max-width: 460px; }

.plate__open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
  font: inherit;
}

/* ─────────── a serie ─────────── */

.prints {
  list-style: none;
  margin: 46px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 46px 38px;
}
/* todas as chapas no mesmo formato: a estampa quadrada abria um buraco na
   linha. o recorte e so na vitrine — o visor abre a folha inteira. */
.prints .plate__open img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center 38%;   /* so a folha quadrada corta: sobe pra pegar a flor */
}

.prints figcaption {
  margin-top: 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  align-items: baseline;
}
.prints .num { grid-row: span 2; font-size: 30px; line-height: 1.1; }
.print__title { font-weight: 700; font-size: 17px; }
.print__line {
  grid-column: 2;
  font-family: var(--serif);
  font-size: 15.5px;
  color: var(--ink-soft);
}

/* ─────────── o filhote ─────────── */

.puppy {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 54px;
  align-items: center;
}
.puppy__text h2 { margin-bottom: 20px; }
.puppy__text p { margin: 0 0 16px; }


/* ─────────── rodape ─────────── */

.foot {
  position: relative;
  overflow: hidden;
  background: var(--violet-band);
  background-image: var(--grain);
  background-blend-mode: multiply;
  border-top: 2px solid var(--ink);
  color: var(--paper-hi);
}
.foot__in { padding-block: 44px 52px; position: relative; }

/* o ceu roxo do rodape, com as estrelas das estampas */
.foot .star {
  position: absolute;
  fill: var(--paper-hi);
  opacity: .5;
  animation: twinkle 8s ease-in-out infinite;
}
.star--a { width: 16px; height: 16px; top: 26px;  right: 12%; }
.star--b { width: 11px; height: 11px; top: 62px;  right: 26%; animation-delay: -2.5s; }
.star--c { width: 14px; height: 14px; bottom: 40px; right: 6%;  animation-delay: -5s; }
.star--d { width: 9px;  height: 9px;  top: 38px;  right: 19%; animation-delay: -6.8s; }
.foot .seal {
  display: inline-block;
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1;
  padding: 7px 8px 8px;
  color: var(--paper-hi);
  background: var(--beni);
  border: 2px solid var(--ink);
  margin-bottom: 20px;
}
.foot__line { margin: 0 0 10px; font-size: 18px; }
.foot__links { margin: 0 0 18px; display: flex; gap: 22px; flex-wrap: wrap; }
.foot .link {
  color: var(--paper-hi);
  border-bottom-color: rgba(242, 230, 218, .5);
}
.foot .link:hover { color: #fff; border-bottom-color: var(--paper-hi); }
.foot__fine {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(242, 230, 218, .78);
  max-width: 66ch;
}

/* ─────────── visor ─────────── */

.viewer {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(36, 28, 40, .93);
  display: grid;
  place-items: center;
  padding: 28px;
}
.viewer__frame {
  max-width: min(1200px, 94vw);
  background: var(--paper-hi);
  border: 2px solid var(--ink);
  padding: 12px;
}
.viewer__frame img { max-height: 78vh; width: auto; margin-inline: auto; }
.viewer__frame figcaption {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-soft);
  text-align: center;
}
.viewer__close {
  position: absolute;
  top: 18px; right: 22px;
  width: 46px; height: 46px;
  font-size: 28px;
  line-height: 1;
  color: var(--ink);
  background: var(--paper-hi);
  border: 2px solid var(--ink);
  cursor: pointer;
}

/* ─────────── telas estreitas ─────────── */

@media (max-width: 880px) {
  .hero__in { padding-block: 36px 50px; }
  .hero__logo { width: min(400px, 100%); margin-block: 26px 22px; padding-bottom: 42px; }
  .plate--dog { left: -2%; width: 54%; }   /* nao deixa encostar na borda */
  .puppy { grid-template-columns: 1fr; gap: 34px; }
  .plate--round { max-width: 380px; margin-inline: auto; }
  .prints { grid-template-columns: 1fr; gap: 40px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts--inline { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .topbar__in { min-height: 54px; gap: 14px; flex-wrap: wrap; padding-block: 10px; }
  .topbar__nav { gap: 16px; font-size: 14px; order: 3; width: 100%; }
  .topbar__nav a { font-size: 14px; }
  .btn--sm { margin-left: auto; }
  .hero__body { padding-block: 32px 56px; }
  .lede { font-size: 18px; }
  .pair, .puppy, .series { padding-block: 54px; }
  .facts, .facts--inline { grid-template-columns: 1fr; }
  .notes li { padding-left: 44px; }
  :root { --drop: 6px 6px 0 rgba(36,28,40,.82); }
}

/* ─────────── quem pediu menos movimento ─────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  /* nada pisca, corre nem flutua: tudo ja nasce no estado final */
  .spark { opacity: .7; scale: 1; }
  .star { opacity: .5; }
  .plate--logo { translate: 0 0; }
}