/* ==========================================================================
   LITHOS · Manual de Orçamentação para Marmorarias — página de vendas
   Base: design system LITHOS (tema único escuro)
   Layout: faixas de largura total alternando preto, grafite e mármore;
           conteúdo em coluna de até 1200px.
   ========================================================================== */

:root {
  /* Cores */
  --s0: #0b0b0a;          /* fundo da página */
  --s1: #111110;          /* seção alternada */
  --s2: #181816;          /* cartões */
  --graphite: #2e2d29;    /* faixas grafite */
  --line: #23221f;        /* divisórias */
  --line-strong: #3a3833; /* contorno de cartões e imagens */
  --line-control: #736c62;
  --text: #ede8df;
  --text-2: #a8a196;
  --text-3: #8a8478;
  --accent: #c4a882;      /* champanhe */
  --accent-hover: #dcc6a3;
  --accent-ink: #0b0b0a;
  --danger: #d9786a;
  --marble: url("../img/marmore.jpg");

  /* Tipografia */
  --f-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --f-sans: Manrope, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Escala fluida: celular → desktop */
  --t-xl: clamp(2.5rem, 1.6rem + 3.6vw, 4.5rem);      /* 40 → 72 */
  --t-l: clamp(2.125rem, 1.6rem + 2.1vw, 3.25rem);     /* 34 → 52 */
  --t-m: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);        /* 28 → 36 */
  --t-lead: clamp(1.0625rem, 1rem + .3vw, 1.1875rem);  /* 17 → 19 */

  /* Espaço */
  --gutter: 24px;
  --sec-y: clamp(80px, 5rem + 3vw, 120px);
  --radius: 4px;
  --radius-lg: 6px;
  --ease: cubic-bezier(.2, .7, .2, 1);

  color-scheme: dark;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--s0);
  color: var(--text);
  font-family: var(--f-sans);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; text-wrap: balance; font-weight: 500; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
strong { font-weight: 600; }

.skip {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: var(--radius);
  font-weight: 600; text-decoration: none;
}
.skip:focus { top: 16px; }

.wrap {
  width: 100%;
  max-width: calc(1200px + 2 * var(--gutter));
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}

/* --------------------------------------------------------------------------
   Tipografia
   -------------------------------------------------------------------------- */
.display-xl { font-family: var(--f-display); font-size: var(--t-xl); line-height: 1.06; letter-spacing: -.01em; }
.display-l  { font-family: var(--f-display); font-size: var(--t-l); line-height: 1.1; }
.display-m  { font-family: var(--f-display); font-size: var(--t-m); line-height: 1.12; }
.overline, .label {
  font-size: .8125rem; line-height: 1.25; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
}
.overline { color: var(--accent); }
.label { color: var(--text-2); }
.lead { font-size: var(--t-lead); line-height: 1.6; color: var(--text-2); max-width: 40em; }
.muted { color: var(--text-2); }
.small { font-size: .875rem; }
.micro { font-size: .8125rem; line-height: 1.55; color: var(--text-3); }
.hi { color: var(--text); }
.num { font-family: var(--f-display); font-size: 2rem; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums; }
.pull { font-family: var(--f-display); font-size: clamp(1.5rem, 1.3rem + .8vw, 1.75rem); line-height: 1.22; color: var(--accent); }
.pull--light { color: var(--text); }

.stack { display: flex; flex-direction: column; gap: 20px; }
.stack-sm { display: flex; flex-direction: column; gap: 8px; }
.stack-xl { display: flex; flex-direction: column; gap: clamp(40px, 2rem + 2vw, 56px); }

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; text-align: center;
  min-height: 48px; padding: 10px 22px; border-radius: var(--radius); border: 0;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 600; font-size: 1rem; line-height: 1.3; text-decoration: none; cursor: pointer;
  transition: background-color .18s var(--ease), transform .18s var(--ease);
}
.btn:hover { background: var(--accent-hover); color: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.btn--sm { min-height: 44px; padding: 8px 18px; font-size: .875rem; }
.btn--lg { min-height: 56px; padding: 14px 32px; font-size: 1.0625rem; }
.btn--block { width: 100%; }
.btn--start { align-self: flex-start; }
.cta-block { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }

/* --------------------------------------------------------------------------
   Fundos
   -------------------------------------------------------------------------- */
.sec { padding-block: var(--sec-y); border-bottom: 1px solid var(--line); }
.sec--alt { background: var(--s1); }
.sec--graphite { background: var(--graphite); border-bottom-color: var(--line-strong); }
.marble {
  background-color: var(--s0);
  background-image: linear-gradient(rgba(11, 11, 10, .55), rgba(11, 11, 10, .55)), var(--marble);
  background-size: cover; background-position: center;
}
.marble--hero {
  background-image: linear-gradient(90deg, rgba(11, 11, 10, .94) 0%, rgba(11, 11, 10, .82) 45%, rgba(11, 11, 10, .35) 100%), var(--marble);
}

/* --------------------------------------------------------------------------
   Barra superior
   -------------------------------------------------------------------------- */
body::before { /* faixa da área segura no topo (iPhone) */
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 51; background: var(--s0);
}
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(11, 11, 10, .92); border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: saturate(1.2); backdrop-filter: saturate(1.2);
}
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 10px; }
.topbar__logo img { height: 52px; width: auto; }

/* --------------------------------------------------------------------------
   1. Hero
   -------------------------------------------------------------------------- */
.hero { padding-block: clamp(56px, 3rem + 4vw, 112px) clamp(72px, 4rem + 4vw, 120px); border-bottom: 1px solid var(--line); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(40px, 2rem + 3vw, 72px); align-items: center; }
.hero__text { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.hero__media { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.cota { display: flex; align-items: center; gap: 10px; color: var(--text-3); font-size: .75rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.cota span { flex: 1; height: 1px; background: var(--line-control); position: relative; }
.cota span:first-child::before, .cota span:last-child::after { content: ""; position: absolute; top: -6px; width: 1px; height: 13px; background: var(--line-control); }
.cota span:first-child::before { left: 0; }
.cota span:last-child::after { right: 0; }
.cota b { font-weight: 600; white-space: nowrap; }

.mockup { position: relative; padding-bottom: 14%; }
.mockup img { border-radius: var(--radius); border: 1px solid var(--line-strong); }
.mockup__front { position: relative; width: 88%; box-shadow: 0 24px 60px rgba(0, 0, 0, .55); }
.mockup__back { position: absolute; right: 0; bottom: 0; width: 72%; opacity: .55; }

.specs { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: .875rem; color: var(--text-2); font-variant-numeric: tabular-nums; }
.specs strong { color: var(--text); }

/* --------------------------------------------------------------------------
   Layouts de seção
   -------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: clamp(32px, 2rem + 2.5vw, 64px); align-items: start; }
.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split__head, .split__body { min-width: 0; }
.split__head .display-l { margin-top: 16px; }
.split__head.stack .display-l { margin-top: 0; }
.sec-head { display: flex; flex-direction: column; gap: 18px; max-width: 760px; }
.sec-head--center { align-items: center; text-align: center; margin-inline: auto; }

/* 2. Lista de dores */
.xlist li {
  display: grid; grid-template-columns: 20px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line);
}
.xlist li::before {
  content: ""; width: 20px; height: 20px; margin-top: 4px;
  background: no-repeat center / 20px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 5l10 10M15 5L5 15' stroke='%23c4a882' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
}
.xlist + .pull { padding-top: 24px; border-top: 1px solid var(--line); }

/* Cartão */
.card { border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--s2); }

/* 3. Cadeia do serviço */
.chain { padding: clamp(24px, 1rem + 2vw, 40px); display: flex; flex-direction: column; gap: 28px; }
.chain__steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; counter-reset: s; }
.step {
  position: relative; display: grid; grid-template-columns: 1fr auto; grid-template-areas: "n i" "t t" "d d";
  gap: 8px; padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--line-strong); background: var(--s1);
}
.step__n { grid-area: n; font-size: .8125rem; font-weight: 600; letter-spacing: .14em; color: var(--text-3); font-variant-numeric: tabular-nums; }
.step .ico { grid-area: i; }
.step strong { grid-area: t; font-size: 1.0625rem; line-height: 1.35; }
.step > span:last-child { grid-area: d; font-size: .875rem; line-height: 1.5; color: var(--text-2); }
.step--erro { border-color: var(--danger); background: rgba(217, 120, 106, .10); }
.ico { width: 22px; height: 22px; fill: none; stroke-width: 1.6; }
.ico--ok { stroke: var(--text-2); }
.ico--erro { stroke: var(--danger); stroke-width: 1.9; }
.chain__result {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px;
  padding-top: 24px; border-top: 1px solid var(--line-strong);
}
.chain__total { display: flex; flex-direction: column; gap: 2px; }
.chain__total span { font-size: .8125rem; color: var(--text-2); }
.chain__total strong { font-family: var(--f-display); font-weight: 500; font-size: clamp(2.25rem, 1.8rem + 1.5vw, 2.75rem); line-height: 1.05; color: var(--danger); }
.chain__result p { flex: 1 1 360px; max-width: 560px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { display: inline-flex; align-items: center; min-height: 36px; padding: 6px 14px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: .875rem; line-height: 1.4; }

/* 5. Método em 5 passos */
.steps5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.steps5 li { display: flex; flex-direction: column; gap: 10px; padding: 24px 24px 24px 0; border-bottom: 1px solid var(--line); }
.steps5 strong { font-size: 1.0625rem; line-height: 1.4; }
.steps5 li > span:last-child { font-size: .9375rem; line-height: 1.55; color: var(--text-2); }

.cards3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cards3 .card { padding: clamp(20px, 1rem + 1vw, 32px); display: flex; flex-direction: column; gap: 6px; }
.cards3 strong { font-size: 1.25rem; line-height: 1.4; }
.cards3 span { font-size: .9375rem; color: var(--text-2); }

/* Acordeões (capítulos e FAQ) */
.acc { border-top: 1px solid var(--line-strong); }
.acc details { border-bottom: 1px solid var(--line); }
.acc summary {
  display: flex; align-items: center; gap: 20px; min-height: 64px; padding: 12px 0;
  cursor: pointer; list-style: none; -webkit-tap-highlight-color: transparent;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary .num { flex: none; width: 44px; }
.acc__t { flex: 1; font-size: 1.25rem; line-height: 1.4; font-weight: 600; }
.acc--faq .acc__t { font-size: 1.0625rem; }
.acc details p { padding: 0 0 20px 64px; font-size: .9375rem; line-height: 1.6; color: var(--text-2); max-width: 46em; }
.acc--faq details p { padding-left: 0; padding-right: 40px; }
.acc summary:hover .acc__t { color: var(--accent-hover); }
.plus { position: relative; flex: none; width: 20px; height: 20px; transition: transform .2s var(--ease); }
.plus::before, .plus::after { content: ""; position: absolute; left: 50%; top: 50%; background: var(--text-2); }
.plus::before { width: 14px; height: 1.5px; transform: translate(-50%, -50%); }
.plus::after { width: 1.5px; height: 14px; transform: translate(-50%, -50%); }
details[open] > summary .plus { transform: rotate(45deg); }

/* Miniatura clicável */
.thumb {
  position: relative; display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in;
  border-radius: var(--radius);
}
.thumb img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line-strong); transition: border-color .18s var(--ease); }
.thumb:hover img { border-color: var(--accent); }
.thumb__zoom {
  position: absolute; right: 10px; bottom: 10px; padding: 6px 12px; border-radius: 999px;
  background: rgba(11, 11, 10, .82); color: var(--text); font-size: .75rem; font-weight: 600; letter-spacing: .04em;
  opacity: 0; transition: opacity .18s var(--ease);
}
.thumb:hover .thumb__zoom, .thumb:focus-visible .thumb__zoom { opacity: 1; }
@media (hover: none) { .thumb__zoom { opacity: 1; } }

/* 7. Galeria */
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 24px; }
.gallery figure { margin: 0; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.gallery figcaption { font-size: .9375rem; line-height: 1.55; color: var(--text-2); }
.gallery figcaption strong { color: var(--text); }
.pg { margin-right: 6px; font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-variant-numeric: tabular-nums; }
.gallery__nav { display: none; }

/* 8. Autor */
.author { display: grid; grid-template-columns: minmax(0, 400px) minmax(0, 1fr); gap: clamp(32px, 2rem + 3vw, 72px); align-items: center; }
.author__card {
  display: flex; flex-direction: column; align-items: center; gap: 24px; padding: 48px 40px 32px;
  border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--s0);
}
.author__card img { width: 100%; max-width: 280px; }
.author__sig { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 2px; padding-top: 20px; border-top: 1px solid var(--line); text-align: center; }
.author__sig span { font-size: .8125rem; color: var(--text-2); }
.author__text { max-width: 640px; }

/* 9. Oferta */
.offer { align-items: center; }
.offer__card { width: 100%; max-width: 960px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
.offer__list { padding: 40px; display: flex; flex-direction: column; gap: 16px; border-right: 1px solid var(--line-strong); }
.offer__name { font-size: 1.25rem; line-height: 1.4; }
.checks { display: flex; flex-direction: column; gap: 12px; }
.checks li { display: grid; grid-template-columns: 20px 1fr; gap: 12px; color: var(--text-2); }
.checks li::before {
  content: ""; width: 20px; height: 20px; margin-top: 4px;
  background: no-repeat center / 20px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M4 10.5l4 4 8-9' stroke='%23c4a882' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
}
.offer__price { padding: 40px; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.price { display: flex; align-items: baseline; gap: 8px; font-family: var(--f-display); font-size: clamp(4.5rem, 3.5rem + 3vw, 6rem); line-height: .9; font-variant-numeric: tabular-nums; }
.price span { font-family: var(--f-sans); font-size: 1.25rem; color: var(--text-2); }
.installments { font-size: .9375rem; color: var(--text-3); }

.guarantee {
  width: 100%; max-width: 960px; display: flex; flex-wrap: wrap; align-items: center; gap: 24px 32px;
  padding: 32px; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: rgba(11, 11, 10, .7);
}
.guarantee > .stack-sm { flex: 1 1 320px; }
.guarantee strong { font-size: 1.25rem; }
.seal {
  flex: none; width: 112px; height: 112px; border-radius: 50%; border: 1px solid var(--accent);
  outline: 1px solid var(--line-strong); outline-offset: 6px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.seal b { font-family: var(--f-display); font-weight: 500; font-size: 2.75rem; line-height: 1; color: var(--accent); }
.seal span { font-size: .6875rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--text-2); }

/* 11. Objeções */
.objections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.objections .card { padding: clamp(20px, 1rem + 1vw, 32px); display: flex; flex-direction: column; gap: 12px; }
.objections strong { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.5rem, 1.3rem + .7vw, 1.75rem); line-height: 1.15; color: var(--accent); }
.objections p { font-size: .9375rem; line-height: 1.6; color: var(--text-2); }

/* 13. Encerramento */
.closing { max-width: calc(760px + 2 * var(--gutter)); display: flex; flex-direction: column; gap: 28px; }
.display-xl--closing { font-size: clamp(2.375rem, 1.6rem + 3vw, 4rem); }

/* Rodapé */
.footer { padding-block: 32px calc(32px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); background: var(--s0); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; font-size: .8125rem; line-height: 1.55; color: var(--text-3); }
.footer__inner img { height: 44px; width: auto; }
.footer__inner p:last-child { margin-left: auto; }

/* --------------------------------------------------------------------------
   Barra de compra (aparece no celular e tablet depois da primeira dobra)
   -------------------------------------------------------------------------- */
.buybar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: none; align-items: center; gap: 12px;
  padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(12px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  background: var(--s1); border-top: 1px solid var(--line-strong);
  transform: translateY(110%); visibility: hidden;
  transition: transform .25s var(--ease), visibility 0s linear .25s;
}
.buybar.is-visible { transform: translateY(0); visibility: visible; transition: transform .25s var(--ease), visibility 0s; }
.buybar__info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.buybar__info span { font-size: .8125rem; line-height: 1.3; color: var(--text-2); }
.buybar__info strong { font-family: var(--f-display); font-weight: 500; font-size: 1.625rem; line-height: 1.1; }

/* --------------------------------------------------------------------------
   Ampliação de páginas
   -------------------------------------------------------------------------- */
.lightbox {
  width: 100%; max-width: 100%; height: 100%; max-height: 100%; margin: 0; padding: 0; border: 0;
  background: rgba(11, 11, 10, .94); color: var(--text);
}
.lightbox::backdrop { background: rgba(0, 0, 0, .6); }
.lightbox[open] { display: flex; align-items: center; justify-content: center; }
.lightbox__frame {
  width: min(1200px, 100%); display: flex; flex-direction: column; gap: 14px;
  padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
}
.lightbox__frame img { width: 100%; max-height: calc(100vh - 140px); max-height: calc(100dvh - 140px); object-fit: contain; border-radius: var(--radius); }
.lightbox__cap { font-size: .9375rem; color: var(--text-2); text-align: center; }
.lightbox__ctrl { display: flex; justify-content: center; gap: 12px; }
.lb-btn {
  width: 48px; height: 48px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--s2); cursor: pointer;
  transition: border-color .18s var(--ease);
}
.lb-btn:hover { border-color: var(--accent); }
.lb-btn svg { width: 20px; height: 20px; fill: none; stroke: var(--text); stroke-width: 1.6; }

/* ==========================================================================
   Responsivo
   ========================================================================== */

/* Notebooks pequenos e tablets na horizontal */
@media (max-width: 1100px) {
  .chain__steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Tablets */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__media { max-width: 640px; }
  .marble--hero { background-image: linear-gradient(rgba(11, 11, 10, .84), rgba(11, 11, 10, .84)), var(--marble); }
  .split, .split--even { grid-template-columns: minmax(0, 1fr); }
  .author { grid-template-columns: minmax(0, 1fr); }
  .author__card { max-width: 420px; }
  .offer__card { grid-template-columns: minmax(0, 1fr); }
  .offer__list { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .buybar { display: flex; }
}

/* Celulares grandes e tablets pequenos */
@media (max-width: 760px) {
  :root { --gutter: 16px; }
  .topbar__logo img { height: 44px; }
  .chain__steps { grid-template-columns: minmax(0, 1fr); gap: 0; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); overflow: hidden; }
  .step {
    grid-template-columns: 28px 1fr auto; grid-template-areas: "n t i" "n d i";
    border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 14px 16px; gap: 2px 12px; align-items: center;
  }
  .step:last-child { border-bottom: 0; }
  .step__n { align-self: start; padding-top: 2px; }
  .step--erro { border-color: var(--line); }
  .chain { padding: 20px; }
  .steps5 { grid-template-columns: minmax(0, 1fr); }
  .steps5 li { flex-direction: row; flex-wrap: wrap; align-items: baseline; column-gap: 16px; padding: 16px 0; }
  .steps5 li .num { width: 36px; font-size: 1.75rem; }
  .steps5 li strong { flex: 1; }
  .steps5 li > span:last-child { flex-basis: 100%; padding-left: 52px; }
  .cards3, .objections { grid-template-columns: minmax(0, 1fr); gap: 12px; }

  /* Galeria vira carrossel */
  .gallery {
    display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    margin-right: calc(-1 * max(var(--gutter), env(safe-area-inset-right, 0px)));
    padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
    scrollbar-width: none;
  }
  .gallery::-webkit-scrollbar { display: none; }
  .gallery figure { flex: 0 0 86%; scroll-snap-align: start; }
  .gallery__nav { display: flex; gap: 8px; justify-content: center; margin-top: -24px; }
  .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-control); transition: background-color .2s var(--ease), width .2s var(--ease); }
  .dot.is-on { width: 22px; border-radius: 4px; background: var(--accent); }

  .acc summary { gap: 14px; min-height: 60px; }
  .acc summary .num { width: 36px; font-size: 1.75rem; }
  .acc__t { font-size: 1.0625rem; }
  .acc details p { padding-left: 50px; }
  .acc--faq details p { padding-left: 0; padding-right: 0; }
  .offer__list, .offer__price { padding: 24px 20px; }
  .guarantee { padding: 20px; gap: 16px; align-items: flex-start; }
  .seal { width: 72px; height: 72px; outline-offset: 4px; }
  .seal b { font-size: 1.875rem; }
  .seal span { font-size: .625rem; }
  .author__card { padding: 36px 24px 24px; }
  .author__card img { max-width: 220px; }
  .footer__inner p:last-child { margin-left: 0; }
  .footer { padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)); }
  .btn--lg { width: 100%; }
  .cta-block { align-items: stretch; }
  .cta-block .micro { text-align: center; }
}

/* Celulares pequenos */
@media (max-width: 380px) {
  body { font-size: 1rem; }
  .topbar .btn--sm { padding: 8px 12px; font-size: .8125rem; }
  .topbar__logo img { height: 40px; }
  .overline, .label { letter-spacing: .16em; }
  .chips li { font-size: .8125rem; }
  .buybar .btn { padding: 10px 16px; }
}

/* Telas largas */
@media (min-width: 1600px) {
  :root { --gutter: 32px; }
}

/* Paisagem baixa (celular deitado) */
@media (max-height: 500px) and (orientation: landscape) {
  .topbar { position: static; }
  html { scroll-padding-top: 16px; }
  .hero__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
}

/* Movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* Impressão */
@media print {
  .topbar, .buybar, .lightbox, .gallery__nav { display: none !important; }
  .marble, .marble--hero { background: none; }
  body { background: #fff; color: #000; }
}