@font-face { font-family: "Big Shoulders"; src: url("fonts/BigShoulders-Bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Crimson"; src: url("fonts/CrimsonPro-Regular.woff2") format("woff2"); font-display: swap; }
@font-face { font-family: "Crimson"; src: url("fonts/CrimsonPro-Bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Crimson"; src: url("fonts/CrimsonPro-Italic.woff2") format("woff2"); font-style: italic; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/IBMPlexMono-Regular.woff2") format("woff2"); font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/IBMPlexMono-Bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }
/* Só o itálico, e só onde a capa usa: "A nossa matemática." e o selo do topo */
@font-face { font-family: "Instrument Serif"; src: url("fonts/InstrumentSerif-Italic.woff2") format("woff2"); font-style: italic; font-display: swap; }

:root {
  --ink: #0E3B2B; --ink-2: #134A37; --paper: #F6F7F2; --white: #FFFFFF;
  --text: #1D2A23; --muted: #5B6F63; --line: #C9D6CD; --line-dark: rgba(246,247,242,.18); --line-ctrl: rgba(246,247,242,.45);
  --red: #D2452B; --red-text: #B23A23; --red-light: #FF9C85; --gold: #C9A24B; --gold-text: #D4AF5A; --cta: #D2452B; --cta-hover: #B23A23;
  --display: "Big Shoulders", "Arial Narrow", sans-serif;
  --body: "Crimson", Georgia, serif;
  --mono: "Plex Mono", ui-monospace, Consolas, monospace;
  --capa: "Instrument Serif", "Crimson", Georgia, serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --space-section: 96px; --radius: 4px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font: 19px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--red-text); outline-offset: 3px; }
.escuro :focus-visible, footer :focus-visible { outline-color: var(--gold); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: 1160px; margin: 0 auto; padding-inline: 24px; }
section { padding-block: var(--space-section); scroll-margin-top: 24px; }
.escuro { background: var(--ink); color: var(--paper); }
.branco { background: var(--white); }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.split > * { min-width: 0; }

.etiqueta { font: italic 400 20px/1.3 var(--body); color: var(--muted); margin: 0 0 16px; }
.escuro .etiqueta { color: rgba(246,247,242,.78); }
h1, h2 { font-family: var(--display); font-weight: 700; text-transform: uppercase; line-height: .98; letter-spacing: .005em; margin: 0 0 24px; text-wrap: balance; }
h1 { font-size: clamp(46px, 7vw, 92px); }
h2 { font-size: clamp(38px, 5vw, 64px); color: var(--ink); }
.escuro h2 { color: var(--paper); }
.lead { font: italic 400 clamp(22px, 2.4vw, 28px)/1.35 var(--body); margin: 0 0 28px; max-width: 34ch; }
p { margin: 0 0 16px; max-width: 62ch; }
.muted { color: var(--muted); }
.escuro .muted { color: rgba(246,247,242,.78); }

.btn { display: inline-flex; align-items: center; gap: 12px; background: var(--cta); color: #fff; text-decoration: none;
  font: 700 22px/1.1 var(--display); letter-spacing: .06em; text-transform: uppercase; padding: 20px 32px; border-radius: var(--radius);
  min-height: 56px; transition: background .2s var(--ease), transform .2s var(--ease); border: 0; cursor: pointer; }
.btn:hover { background: var(--cta-hover); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .seta { transition: transform .2s var(--ease); }
.btn:hover .seta { transform: translateX(4px); }
.btn .nw { white-space: nowrap; }
.micro { font: 16px/1.5 var(--body); margin-top: 16px; opacity: .85; }
.cta-linha { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.cta-linha .micro { margin: 0; }
[hidden] { display: none !important; }
.em-breve { display: inline-block; margin: 0; padding: 16px 20px; border: 2px dashed var(--line); border-radius: var(--radius);
  font: 700 24px/1.1 var(--display); letter-spacing: .06em; text-transform: uppercase; color: var(--ink); }

/* hero */
.hero { padding-block: 40px 96px; }
.topo { display: flex; justify-content: space-between; align-items: center; gap: 16px; font: italic 19px var(--capa);
  color: rgba(246,247,242,.78); border-bottom: 1px solid var(--line-dark); padding-bottom: 16px; margin-bottom: 56px; }
.topo img { width: 170px; }
.hero h1 { color: var(--paper); }
.hero h1 em { display: block; font: italic 400 .64em/1.1 var(--capa); text-transform: none; color: var(--paper); margin-top: 8px; }
.prova { display: inline-block; font: italic 19px/1.4 var(--body); color: var(--paper); text-decoration: none; border-bottom: 1px solid var(--gold); padding-bottom: 4px; margin: 0 0 32px; transition: color .2s var(--ease); }
.prova:hover { color: var(--gold-text); }
.capa3d { perspective: 1400px; display: flex; justify-content: center; }
.capa3d img { width: min(380px, 100%); transform: rotateY(-14deg) rotateX(4deg); border: 1px solid rgba(246,247,242,.16);
  box-shadow: -18px 28px 60px rgba(0,0,0,.45); border-radius: 2px; }
@keyframes sobe { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes entraCapa { from { transform: translateX(28px) scale(.96); } to { transform: none; } }
@keyframes sobeLeve { from { transform: translateY(14px); } to { transform: none; } }
.hero .e1, .hero .e2, .hero .e3 { animation: sobe .55s var(--ease) both; }
.hero .e4 { animation: sobeLeve .55s var(--ease) both; }
.hero .e2 { animation-delay: .08s; } .hero .e3 { animation-delay: .16s; } .hero .e4 { animation-delay: .24s; }
.hero .capa3d { animation: entraCapa .65s var(--ease) .3s both; }

/* gancho */
.riscado { font: 700 clamp(26px, 3vw, 36px)/1.15 var(--display); text-transform: uppercase; color: var(--muted); margin: 0 0 24px; }
.riscado s { text-decoration-color: var(--ink); text-decoration-thickness: 3px; }
.numeros { border-top: 1px solid var(--line); }
.numeros div { padding: 24px 0; border-bottom: 1px solid var(--line); }
.numeros strong { display: block; font: 700 clamp(44px, 5vw, 64px)/1 var(--display); color: var(--ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.numeros span { display: block; font: italic 18px/1.3 var(--body); color: var(--muted); margin-top: 8px; }

/* o problema: jogar tudo contra o fechamento */
.compara { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; border-top: 1px solid var(--line); padding-top: 28px; }
.compara p { margin: 0; font: italic 20px/1.3 var(--body); }
.compara strong { display: block; font: 700 clamp(80px, 9vw, 120px)/.9 var(--display); font-style: normal; font-variant-numeric: tabular-nums; margin-bottom: 12px; }
.compara .antes { color: var(--muted); }
.compara .antes s { text-decoration-color: var(--ink); text-decoration-thickness: 1px; }
.compara .antes s:first-of-type { display: block; text-decoration-thickness: 5px; }
.compara .depois { color: var(--ink); }
.compara .depois strong { color: var(--red); }
.conta-pacote { font-size: 17px; color: var(--muted); }

/* história da revista de 1999 */
.historia { align-items: start; }
.historia + .historia { margin-top: 80px; }
.historia h3 { font: 700 clamp(30px, 3.6vw, 44px)/1 var(--display); text-transform: uppercase; color: var(--ink); margin: 0 0 20px; }
.capa1999 { margin: 0; justify-self: center; width: min(360px, 100%); }
.capa1999 button { position: relative; display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.capa1999 img { width: 100%; border: 1px solid var(--line); box-shadow: 0 18px 40px rgba(14,59,43,.22); border-radius: 2px; transition: transform .25s var(--ease); }
.capa1999 button:hover img { transform: translateY(-3px); }
.amplia { position: absolute; left: 10px; bottom: 15%; background: var(--ink); color: var(--paper); font: 700 16px/1 var(--display);
  letter-spacing: .06em; text-transform: uppercase; padding: 8px 12px; border-radius: var(--radius); }
.capa1999 figcaption { font: italic 17px/1.4 var(--body); color: var(--muted); margin-top: 14px; text-align: center; }

/* o palpite: as fixas desenhadas como na demonstração */
.escuro .fecho { color: var(--paper); }
.palpites { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; justify-self: center; }
.palpites li { display: flex; align-items: center; gap: 20px; }
.palpites b { position: relative; display: grid; place-items: center; flex: none; width: 72px; aspect-ratio: 1; background: var(--red);
  border: 1px solid var(--paper); border-radius: 2px; color: #fff; font: 700 26px var(--mono); }
.palpites b::after { content: ""; position: absolute; left: 25%; right: 25%; bottom: 14%; height: 2px; background: #fff; }
.palpites span { font: italic 24px/1.3 var(--body); color: var(--paper); }

/* capa e editorial ampliados */
.revista { padding: 0; border: 0; width: min(820px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px); overflow: auto;
  background: var(--ink); color: var(--paper); border-radius: var(--radius); }
.revista::backdrop { background: rgba(8,24,18,.82); }
html:has(.revista[open]) { overflow: hidden; }
.revista-barra { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 12px 10px 16px; background: var(--ink); border-bottom: 1px solid var(--line-dark); }
.revista-barra button { min-height: 44px; background: transparent; color: var(--paper); border: 1px solid var(--line-ctrl); border-radius: 99px; cursor: pointer;
  font: 700 18px/1 var(--display); letter-spacing: .05em; text-transform: uppercase; padding: 10px 18px; transition: border-color .15s var(--ease); }
.revista-barra button:hover { border-color: var(--paper); }
.revista-barra .revista-fecha { width: 44px; padding: 0; font: 400 30px/1 var(--body); }
.revista :focus-visible { outline-color: var(--gold); }
.revista figure { margin: 0; padding: 16px; }
.revista figcaption { font: italic 17px/1.4 var(--body); color: rgba(246,247,242,.78); margin-top: 12px; }
@media (prefers-reduced-motion: no-preference) {
  .revista[open] { animation: abreRevista .3s var(--ease); }
  .revista[open]::backdrop { animation: escurece .3s var(--ease); }
}
@keyframes abreRevista { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
@keyframes escurece { from { opacity: 0; } to { opacity: 1; } }

/* volante desenhado */
.volante { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; max-width: 460px; }
.volante span { aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--line); font: 14px var(--mono); color: var(--muted); }
.volante .f { background: var(--red); border-color: var(--red); color: #fff; font-weight: 700; }
.volante .l { background: var(--ink); border-color: var(--ink); color: var(--paper); font-weight: 700; }
.legenda { display: flex; gap: 20px; flex-wrap: wrap; font: 16px var(--body); color: var(--muted); margin-top: 16px; }
.legenda i { display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -1px; }
.contagem { display: flex; align-items: baseline; gap: 16px; margin: 0 0 16px; }
.contagem strong { font: 700 88px/.9 var(--display); color: var(--red); font-variant-numeric: tabular-nums; }
.contagem span { font: italic 24px var(--body); color: var(--muted); }
.passos { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; counter-reset: p; }
.passos li { counter-increment: p; display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: baseline; }
.passos li::before { content: counter(p); font: 700 26px var(--display); color: var(--ink); }
.garantia { background: var(--paper); padding: 16px 20px; margin: 24px 0 0; }
.garantia p { margin: 0 0 8px; } .garantia p:last-child { margin: 0; font-size: 17px; color: var(--muted); }

/* demo */
.demo { display: grid; grid-template-columns: 420px 1fr; gap: 40px; background: var(--ink-2); padding: 32px; border: 1px solid var(--line-dark); margin-top: 40px; }
.demo > * { min-width: 0; }
.dgrid { display: grid; grid-template-columns: repeat(var(--dc, 10), 1fr); gap: 4px; }
.dgrid.cinco { max-width: 300px; }
.djogos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.djogos button { font: 700 18px/1 var(--display); letter-spacing: .05em; text-transform: uppercase; padding: 12px 20px; min-height: 44px;
  background: transparent; color: var(--paper); border: 1px solid var(--line-ctrl); border-radius: 99px; cursor: pointer; transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease); }
.djogos button:hover { border-color: var(--paper); }
.djogos button[aria-pressed="true"] { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.djogos + .demo { margin-top: 16px; }
.dregra { font: 16px/1.45 var(--body); color: rgba(246,247,242,.78); margin: 0 0 12px; }
.dgrid button { aspect-ratio: 1; background: transparent; border: 1px solid var(--line-ctrl); color: rgba(246,247,242,.85);
  font: 13px var(--mono); cursor: pointer; padding: 0; border-radius: 2px; position: relative;
  transition: background .15s, border-color .15s, transform .1s; }
.dgrid button:hover { border-color: var(--paper); }
.dgrid button:active { transform: scale(.92); }
.dgrid button.l { background: var(--paper); color: var(--ink); border-color: var(--paper); font-weight: 700; }
.dgrid button.f { background: var(--red); color: #fff; border-color: var(--paper); font-weight: 700; }
.dgrid button.f::after { content: ""; position: absolute; left: 25%; right: 25%; bottom: 14%; height: 2px; background: #fff; }
.dgrid button.nega { animation: nega .3s; }
@keyframes nega { 0%, 100% { transform: none; } 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }
.dresumo { display: none; }
.dctrl { display: flex; gap: 8px 16px; flex-wrap: wrap; margin-top: 16px; font: 17px var(--body); color: rgba(246,247,242,.85); align-items: center; }
.dctrl select { font: 17px var(--body); background: var(--ink); color: var(--paper); border: 1px solid var(--line-ctrl); padding: 8px; min-height: 44px; }
.dres .total { font: 700 56px/1 var(--display); color: var(--paper); }
.dres .total span { display: inline-block; }
.dres .custo { font: 700 19px/1.4 var(--body); color: var(--paper); margin: 8px 0 0; }
.dres .total small { font: italic 22px var(--body); color: rgba(246,247,242,.78); margin-left: 8px; }
.dres .frase { font: italic 19px/1.4 var(--body); margin: 12px 0 8px; color: var(--paper); }
.dres .alerta { font: 17px/1.45 var(--body); color: var(--gold-text); margin: 0 0 16px; }
.dcartoes { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 4px 20px; max-height: 260px; overflow: auto; font: 14px var(--mono); }
.dcartoes div { border-bottom: 1px dashed var(--line-dark); padding: 4px 0; }
.dcartoes i { font-style: normal; color: rgba(246,247,242,.78); margin-right: 8px; font-size: 12px; }
.entra { animation: entra .25s var(--ease); }
@keyframes entra { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.dcartoes b { color: var(--red-light); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.itens4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; border-top: 1px solid var(--line-dark); padding-top: 28px; }
.itens4 strong { display: block; font: 700 22px/1.1 var(--display); text-transform: uppercase; letter-spacing: .03em; margin-bottom: 8px; }
.itens4 span { font-size: 17px; color: rgba(246,247,242,.78); }

/* nao promete */
.aviso .cols { columns: 2; column-gap: 48px; }
.aviso .cols p { break-inside: avoid; }
.fecho { font: italic 26px/1.3 var(--body); color: var(--ink); margin-top: 12px; }

/* para quem */
.duas { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 16px; }
.duas > div { background: var(--white); padding: 32px; border-top: 4px solid var(--ink); }
.duas > div.nao { border-top-color: var(--muted); }
.duas h3 { font: 700 26px var(--display); text-transform: uppercase; margin: 0 0 16px; color: var(--ink); }
.duas ul { margin: 0; padding-left: 20px; } .duas li { margin-bottom: 8px; }

/* oferta */
.mock { position: relative; height: 500px; }
.mock img { position: absolute; box-shadow: 0 24px 50px rgba(14,59,43,.28); border-radius: 2px; }
.mock .a { width: 58%; left: 0; top: 0; transform: rotate(-3deg); }
.mock .b { width: 54%; right: 0; top: 170px; transform: rotate(2.5deg); border: 1px solid var(--line); }
.lista { list-style: none; padding: 0; margin: 0 0 32px; }
.lista li { padding: 16px 0 16px 32px; border-bottom: 1px solid var(--line); position: relative; }
.lista li::before { content: ""; position: absolute; left: 0; top: 23px; width: 16px; height: 16px; background: var(--ink); }
.lista strong { color: var(--ink); }
.preco { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 24px; }
.preco strong { font: 700 64px/1 var(--display); color: var(--ink); white-space: nowrap; }
.preco span { font: italic 18px var(--body); color: var(--muted); }
.selo { display: grid; grid-template-columns: 56px 1fr; gap: 16px; align-items: center; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 17px; }
.selo b { display: grid; place-items: center; width: 56px; height: 56px; border: 2px solid var(--ink); border-radius: 50%; font: 700 24px/1 var(--display); color: var(--ink); }
.selo p { margin: 0; }

/* faq */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; }
.faq > * { min-width: 0; }
details { border-bottom: 1px solid var(--line); padding: 12px 0; }
summary { cursor: pointer; font: 700 22px/1.25 var(--display); text-transform: uppercase; letter-spacing: .02em; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 44px; text-underline-offset: 4px; }
summary:hover { text-decoration: underline; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--ink); }
details[open] summary::after { content: "-"; }
details p { margin: 12px 0 0; }

/* final */
.final { text-align: center; }
.final .volante { margin: 0 auto 36px; max-width: 300px; gap: 4px; }
.final .volante span { border-color: var(--line-dark); color: rgba(246,247,242,.7); font-size: 10px; }
.final .volante .f { color: #fff; }
.final .volante .l { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.final h2 { margin-bottom: 8px; }
.final .lead, .final .micro { margin-inline: auto; }
footer { background: var(--ink); color: rgba(246,247,242,.75); font: 16px/1.7 var(--body); padding-block: 32px 48px; border-top: 1px solid var(--line-dark); }
footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--paper); text-underline-offset: 3px; transition: color .2s var(--ease); }
footer a:hover { color: var(--gold-text); }
footer nav { display: flex; gap: 0 20px; flex-wrap: wrap; align-items: center; }
footer nav a { display: inline-flex; align-items: center; min-height: 44px; }

.revela { transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
.js .revela.fora { opacity: 0; transform: translateY(24px); }

@media (max-width: 900px) {
  :root { --space-section: 64px; }
  .split, .faq, .demo, .duas { grid-template-columns: 1fr; gap: 36px; }
  .capa3d img { width: 220px; }
  .itens4 { grid-template-columns: 1fr 1fr; }
  .aviso .cols { columns: 1; }
  .mock { height: 440px; max-width: 520px; }
  .topo { margin-bottom: 32px; }
  /* coluna única: a grade empurra o resultado para baixo, então o resumo acompanha o dedo */
  .dresumo { display: block; position: sticky; bottom: 0; z-index: 1; max-width: none; margin: 12px 0 0;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: var(--ink); border: 1px solid var(--line-ctrl);
    font: 17px/1.3 var(--body); color: var(--paper); pointer-events: none; transition: opacity .2s var(--ease), visibility .2s; }
  .dresumo strong { font: 700 22px/1 var(--display); letter-spacing: .03em; text-transform: uppercase; }
  .dresumo.oculto { opacity: 0; visibility: hidden; }
}
@media (max-width: 480px) {
  body { font-size: 18px; }
  .wrap { padding-inline: 16px; }
  .hero { padding-block: 24px 64px; }
  .topo { margin-bottom: 24px; } .topo img { width: 140px; } .topo span { display: none; }
  .demo { padding: 16px; }
  .dgrid { grid-template-columns: repeat(var(--dcm, 6), 1fr); gap: 4px; }
  .dgrid button { font-size: 15px; }
  .itens4 { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; font-size: 20px; padding: 18px 20px; }
  /* no celular a tabela vira um recorte do topo, na largura da coluna, abaixo da capa */
  .mock { height: auto; }
  .mock img { position: static; }
  .mock .a { width: 56%; margin-left: 6px; }
  .mock .b { width: 100%; margin-top: 28px; transform: none; }
  .preco strong { font-size: 56px; }
  .historia + .historia { margin-top: 56px; }
  .capa1999 { width: 72%; }
  .compara { grid-template-columns: 1fr; gap: 24px; }
  /* no celular a página da revista ocupa a tela inteira, para o editorial ficar o maior possível */
  .revista { width: 100vw; max-height: 100dvh; border-radius: 0; }
  .revista figure { padding: 8px 0 16px; }
  .revista figcaption { padding-inline: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revela, .btn, .btn .seta, .dgrid button, .djogos button, .prova, footer a, .dresumo, .capa1999 img { transition: none; }
  .capa1999 button:hover img { transform: none; }
  .dgrid button:active { transform: none; }
  .hero .e1, .hero .e2, .hero .e3, .hero .e4, .hero .capa3d, .dgrid button.nega, .entra { animation: none; }
  .js .revela.fora { opacity: 1; transform: none; }
}