/* Vupt · loja de produtos digitais
   Preto e branco puros, com as listras de zebra como única textura.
   Cor só aparece dentro dos produtos, cada um com a sua identidade. */
:root {
  --black: #000;
  --white: #fff;
  --gray: #5c5c5c;
  --line: #dcdcdc;
  --soft: #f2f2f2;
  --ok: #17703f;
  --err: #b3261e;
  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1160px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; font-family: var(--font); font-size: 1.0625rem; line-height: 1.6;
  color: var(--black); background: var(--white);
  font-variation-settings: "wdth" 100;
  caret-color: var(--black); scrollbar-color: var(--black) var(--soft);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--black); color: var(--white); }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.02; text-wrap: balance; font-weight: 900; }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); font-variation-settings: "wdth" 112; letter-spacing: -.02em; max-width: 18ch; }
h3 { font-size: 1.35rem; font-weight: 700; }
p { margin: 0 0 1em; text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--black); outline-offset: 3px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 10; background: var(--black); color: var(--white); padding: 8px 14px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ------------------------------------------------------------ logo */
.logo-word { font-family: var(--font); font-weight: 900; font-size: 84px; font-variation-settings: "wdth" 125; letter-spacing: -2px; fill: var(--black); }

/* ------------------------------------------------------------ topo */
.top { max-width: var(--wrap); margin: 0 auto; padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo svg { display: block; width: 150px; height: auto; }
.top nav { display: flex; gap: 28px; font-weight: 600; }
.top nav a { text-decoration: none; }
.top nav a:hover { text-decoration: underline; }

/* ------------------------------------------------------------ botões */
.btn { display: inline-flex; align-items: center; justify-content: center; font: inherit; font-weight: 700; padding: 15px 26px; border-radius: 0; cursor: pointer; text-decoration: none; border: 2px solid var(--black); transition: background-color .15s, color .15s; }
.btn-black { background: var(--black); color: var(--white); }
.btn-black:hover { background: var(--white); color: var(--black); }
.btn-black[disabled] { opacity: .55; cursor: progress; }
.btn-line { background: transparent; color: var(--black); }
.btn-line:hover { background: var(--black); color: var(--white); }
.btn-block { width: 100%; }

/* ------------------------------------------------------------ hero */
.hero {
  max-width: var(--wrap); margin: 0 auto; padding: clamp(32px, 6vw, 80px) 24px clamp(56px, 8vw, 110px);
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: stretch;
}
.hero h1 { font-size: clamp(2.8rem, 7vw, 5.6rem); font-variation-settings: "wdth" 118; letter-spacing: -.035em; max-width: 12ch; }
.hero p { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--gray); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
/* O couro de zebra: um painel listrado que entra uma vez, deslizando, quando a página abre. */
.hero-hide { min-height: 320px; background: url("zebra-hero.svg") center / cover no-repeat; border: 2px solid var(--black); clip-path: inset(0 0 0 0); animation: reveal 1.1s cubic-bezier(.16, 1, .3, 1) both; }
@keyframes reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@media (prefers-reduced-motion: reduce) { .hero-hide { animation: none; } }

/* ------------------------------------------------------------ catálogo */
.catalog { padding: clamp(56px, 8vw, 100px) 0; border-top: 2px solid var(--black); }
.products { list-style: none; margin: 32px 0 0; padding: 0; }
.product { display: grid; grid-template-columns: 220px minmax(0, 1fr) auto; gap: 32px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); }
.product.loading { display: block; color: var(--gray); }
.product .swatch { height: 140px; border: 2px solid var(--black); }
.product .cat { font-size: .9rem; font-weight: 600; color: var(--gray); margin: 0 0 6px; }
.product h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-variation-settings: "wdth" 112; margin: 0 0 8px; }
.product .tagline { color: var(--gray); margin: 0; max-width: 46ch; }
.product .buy { text-align: right; display: grid; gap: 10px; justify-items: end; }
.product .price { font-size: 1.6rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.product .commission { font-size: .9rem; color: var(--gray); }

/* ------------------------------------------------------------ afiliados */
.affiliates { background: var(--black); color: var(--white); padding: clamp(64px, 9vw, 120px) 0; }
.affiliates a { color: var(--white); }
.aff-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.aff-pitch > p { color: #c8c8c8; font-size: 1.15rem; max-width: 36em; }
.aff-steps { list-style: none; counter-reset: s; padding: 0; margin: 32px 0; display: grid; gap: 18px; }
.aff-steps li { counter-increment: s; position: relative; padding-left: 58px; min-height: 36px; color: #c8c8c8; }
.aff-steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 36px; height: 36px; display: grid; place-items: center; background: var(--white); color: var(--black); font-weight: 900; }
.aff-steps strong { color: var(--white); }
.rules { border-top: 1px solid #333; border-bottom: 1px solid #333; }
.rules summary { cursor: pointer; padding: 16px 0; font-weight: 700; list-style: none; }
.rules summary::-webkit-details-marker { display: none; }
.rules summary::after { content: " +"; }
.rules[open] summary::after { content: " −"; }
.rules ul { margin: 0 0 18px; padding-left: 20px; color: #c8c8c8; }
.rules li { margin: 6px 0; }

.aff-form { background: var(--white); color: var(--black); padding: clamp(24px, 3.5vw, 36px); border: 2px solid var(--white); }
.aff-form a { color: var(--black); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .92rem; font-weight: 700; margin-bottom: 6px; }
.opt { font-weight: 500; color: var(--gray); }
.aff-form input:not([type=checkbox]), .aff-form textarea { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 2px solid var(--black); border-radius: 0; background: var(--white); color: var(--black); }
.aff-form textarea { resize: vertical; }
.aff-form input::placeholder, .aff-form textarea::placeholder { color: #767676; }
.aff-form input[aria-invalid="true"], .aff-form textarea[aria-invalid="true"] { border-color: var(--err); }
.consent { display: grid; grid-template-columns: auto 1fr; gap: 10px; font-size: .92rem; color: var(--gray); margin: 6px 0 20px; }
.consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--black); }
.form-msg { min-height: 1.4em; margin: 12px 0 0; font-size: .95rem; color: var(--err); }
.form-msg.ok { color: var(--ok); }

/* ------------------------------------------------------------ rodapé e páginas internas */
.foot { border-top: 2px solid var(--black); padding: 28px 0; font-size: .95rem; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; }
.foot-row p { margin: 0; }
.foot-logo svg { display: block; width: 80px; height: auto; }
.page { max-width: 760px; margin: 0 auto; padding: 48px 24px 80px; }
.page h1 { font-size: clamp(2rem, 5vw, 3rem); font-variation-settings: "wdth" 112; }

/* ------------------------------------------------------------ responsivo */
@media (max-width: 900px) {
  .hero, .aff-grid { grid-template-columns: 1fr; }
  .hero-hide { min-height: 160px; order: -1; }
  .product { grid-template-columns: 1fr; gap: 16px; }
  .product .swatch { height: 90px; }
  .product .buy { text-align: left; justify-items: start; }
}
@media (max-width: 520px) {
  .top nav { gap: 16px; font-size: .95rem; }
  .logo svg { width: 104px; }
}