/* =========================================================
   Yuu Digital — folha de estilo principal
   Ordem: tokens, base, header, botões, home, páginas
          internas, blog, formulário, rodapé, responsivo.
   ========================================================= */

:root {
  --bg: #f3f3f1;
  --paper: #ffffff;
  --ink: #111111;
  --ink-soft: #4e4e4e;
  --muted: #696969;
  --line: #dededb;
  --soft: #ececea;
  --accent: #137a4f;
  --accent-dark: #0d5c3b;
  --accent-soft: #e4f1ea;
  --radius: 26px;
  --radius-sm: 14px;
  --shell: 1220px;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

.shell { width: min(calc(100% - 36px), var(--shell)); margin-inline: auto; }
.section-space { padding-top: 56px; padding-bottom: 28px; }
.section-gap { margin-top: 28px; }

/* Foco visível em tudo que recebe teclado */
:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute; left: -9999px; top: 10px;
  background: #fff; padding: 10px 14px; z-index: 100; border-radius: 8px;
}
.skip-link:focus { left: 10px; }

/* ---------------------------------------------------------
   Cabeçalho
   --------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid rgba(0, 0, 0, .08);
  background: rgba(243, 243, 241, .9);
  backdrop-filter: blur(18px);
}
.header-row { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -.04em; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: #111; color: #fff; font-weight: 900; font-size: 19px;
}
.desktop-nav { display: flex; gap: 26px; font-size: 14px; color: #2e2e2e; }
.desktop-nav a { padding: 4px 0; border-bottom: 1px solid transparent; }
.desktop-nav a:hover { border-bottom-color: var(--accent); color: var(--accent-dark); }
.header-actions { display: flex; align-items: center; gap: 10px; }

.menu-button {
  display: none; align-items: center; gap: 9px;
  border: 1px solid #111; background: #fff; border-radius: 999px;
  padding: 10px 15px; font-weight: 650; cursor: pointer;
}
.menu-bars { position: relative; width: 15px; height: 2px; background: #111; transition: background .18s ease; }
.menu-bars::before, .menu-bars::after {
  content: ""; position: absolute; left: 0; width: 15px; height: 2px; background: #111;
  transition: transform .2s ease, top .2s ease;
}
.menu-bars::before { top: -5px; }
.menu-bars::after { top: 5px; }
.menu-button[aria-expanded="true"] .menu-bars { background: transparent; }
.menu-button[aria-expanded="true"] .menu-bars::before { top: 0; transform: rotate(45deg); }
.menu-button[aria-expanded="true"] .menu-bars::after { top: 0; transform: rotate(-45deg); }

.mobile-nav { display: none; }
.mobile-nav__cta {
  margin-top: 6px; background: #111; color: #fff;
  border-radius: 999px; padding: 13px 18px; text-align: center; font-weight: 650;
}

/* ---------------------------------------------------------
   Botões
   --------------------------------------------------------- */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 1px solid #111; border-radius: 999px;
  padding: 13px 20px; font-weight: 650; cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-1px); }
.button--ghost { background: #fff; }
.button--ghost:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.button--dark { background: #111; color: #fff; }
.button--dark:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button--outline { background: transparent; border-color: #c8c8c4; color: #2b2b2b; }
.button--outline:hover { border-color: #111; }
.button--light { background: #fff; color: #111; border-color: #fff; }
.button--light:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.button[disabled] { opacity: .6; cursor: progress; transform: none; }

.text-link {
  display: inline-block; margin-top: 26px;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
.text-link:hover { color: var(--accent-dark); }
.text-link--light:hover { color: #fff; opacity: .75; }

.kicker { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; color: #747474; }
.kicker--light { color: #a5a5a5; }

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero { display: grid; grid-template-columns: 1.02fr .98fr; gap: 28px; align-items: stretch; }
.hero-copy, .hero-art { background: #fff; border-radius: var(--radius); min-height: 590px; }
.hero-copy { padding: clamp(34px, 5vw, 66px); display: flex; flex-direction: column; justify-content: center; }
.hero h1 {
  font-size: clamp(44px, 6.4vw, 84px);
  line-height: .94; letter-spacing: -.055em; font-weight: 750;
  margin: 22px 0 24px; max-width: 11ch;
}
.hero-text { font-size: 17px; line-height: 1.6; max-width: 50ch; color: var(--ink-soft); }
.hero-actions { margin-top: 30px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.small-note { font-size: 12px; line-height: 1.45; color: #7b7b7b; }
.tag-row { margin-top: auto; padding-top: 48px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row span {
  border: 1px solid #d8d8d5; border-radius: 999px;
  padding: 7px 11px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
}
.hero-art { overflow: hidden; display: grid; place-items: center; padding: 22px; }
.hero-art img { width: 100%; height: 100%; object-fit: contain; border-radius: 18px; }

/* Faixa de plataformas */
.platform-strip {
  margin-top: 20px; overflow: hidden;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 16px 0; background: var(--bg);
  --marquee-duration: 38s;
}
.platform-track { display: flex; width: max-content; animation: marquee var(--marquee-duration) linear infinite; }
.platform-track ul { display: flex; gap: 44px; margin: 0; padding: 0 22px; list-style: none; }
.platform-track li {
  font-size: 13px; letter-spacing: .04em; text-transform: uppercase;
  color: #8a8a86; white-space: nowrap; font-weight: 600;
}
.platform-strip:hover .platform-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------------------------------------------------
   Bloco do problema
   --------------------------------------------------------- */
.panel { border-radius: var(--radius); overflow: hidden; }
.panel--dark { background: #171717; color: #fff; padding: clamp(30px, 5vw, 62px); }
.problem-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 44px; align-items: center; }
.problem-grid p { color: #bdbdbd; font-size: 16px; line-height: 1.65; max-width: 55ch; }
.problem-visual { background: #fff; border-radius: 20px; padding: 20px; }
.connection-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: #3c3c3c; border: 1px solid #3c3c3c; border-radius: 16px;
  overflow: hidden; margin-top: 38px;
}
.connection-row div { background: #1d1d1d; padding: 20px; }
.connection-row b, .connection-row span { display: block; }
.connection-row b { font-size: 14px; }
.connection-row span { font-size: 12px; color: #999; margin-top: 4px; }

/* ---------------------------------------------------------
   Títulos de seção
   --------------------------------------------------------- */
.section-title { display: flex; align-items: end; justify-content: space-between; gap: 36px; padding: 56px 4px 30px; }
.section-title > div { max-width: 760px; }
.section-title > p { max-width: 410px; color: #626262; line-height: 1.6; margin: 0; }
.problem-grid h2,
.section-title h2,
.seo-copy h2,
.faq-layout h2,
.contact-card h2 {
  font-size: clamp(38px, 5vw, 62px);
  line-height: .98; letter-spacing: -.05em; font-weight: 750;
  margin: 16px 0 20px;
}

/* ---------------------------------------------------------
   Serviços
   --------------------------------------------------------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.service-card {
  min-height: 270px; background: #fff; border-radius: 20px; padding: 26px;
  display: flex; flex-direction: column; justify-content: space-between;
  border: 1px solid transparent;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { border-color: #111; transform: translateY(-2px); }
.service-number { font-size: 12px; color: #929292; }
.service-card h3 { font-size: 27px; line-height: 1.08; letter-spacing: -.04em; margin: 0 0 12px; }
.service-card p { color: #666; line-height: 1.55; margin: 0; }
.service-link {
  margin-top: 22px; display: inline-flex; align-items: center; gap: 7px;
  font-size: 14px; font-weight: 650; color: var(--accent-dark);
}
.service-card:hover .service-link span { transform: translate(2px, -2px); }
.service-link span { transition: transform .2s ease; }
.service-card--cta { background: #111; color: #fff; }
.service-card--cta .kicker { color: #999; }
.service-card--cta h3 { font-size: 31px; margin-top: auto; }
.service-card--cta a { border-bottom: 1px solid rgba(255, 255, 255, .5); padding-bottom: 2px; }
.service-card--cta a:hover { border-bottom-color: #fff; }

/* ---------------------------------------------------------
   Bloco editorial com números
   --------------------------------------------------------- */
.editorial-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(30px, 5vw, 70px);
  background: #fff; border-radius: var(--radius); padding: clamp(30px, 5vw, 60px);
}
.stats-column { display: grid; gap: 26px; align-content: center; }
.stat { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.stat:last-child { border-bottom: 0; padding-bottom: 0; }
.stat-value {
  display: block; font-size: clamp(58px, 8vw, 86px); line-height: .85;
  letter-spacing: -.06em; font-weight: 750;
}
.stat-label { margin: 12px 0 0; font-size: 19px; line-height: 1.25; letter-spacing: -.02em; max-width: 22ch; }
.stat-note { margin: 6px 0 0; color: var(--muted); line-height: 1.55; font-size: 14px; max-width: 40ch; }
.editorial-copy { align-self: center; }
.editorial-copy h3 { font-size: 34px; line-height: 1.05; letter-spacing: -.045em; margin: 16px 0 22px; }
.editorial-copy ul { padding: 0; margin: 0; list-style: none; }
.editorial-copy li { padding: 14px 0; border-top: 1px solid var(--line); color: #616161; line-height: 1.6; }
.editorial-copy li b { color: var(--ink); }

/* ---------------------------------------------------------
   Processo
   --------------------------------------------------------- */
.process-section { background: #e9e9e6; padding-bottom: 64px; }
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #111; list-style: none; margin: 0; padding: 0;
}
.process-step { padding: 26px 22px 34px; border-right: 1px solid #cdcdc8; min-height: 235px; }
.process-step:first-child { padding-left: 0; }
.process-step:last-child { border-right: 0; }
.process-step > span { font-size: 44px; letter-spacing: -.06em; color: #b3b3ae; }
.process-step h3 { font-size: 23px; margin: 40px 0 8px; letter-spacing: -.035em; }
.process-step p { color: #666; line-height: 1.55; margin: 0; }
.process-step--active > span { color: var(--accent); }

/* ---------------------------------------------------------
   Bloco de texto SEO
   --------------------------------------------------------- */
.seo-copy-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 70px;
  background: #fff; border-radius: var(--radius); padding: clamp(34px, 5vw, 62px);
}
.seo-copy p { color: #5d5d5d; line-height: 1.75; font-size: 16px; max-width: 62ch; }
.seo-copy p + p { margin-top: 18px; }

/* ---------------------------------------------------------
   Depoimentos
   --------------------------------------------------------- */
.testimonials { background: #111; padding: 1px 0 64px; color: #fff; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.testimonial {
  margin: 0; background: #fff; color: #111; border-radius: 20px; padding: 28px;
  min-height: 260px; display: flex; flex-direction: column; justify-content: space-between;
}
.testimonial--dark { background: #282828; color: #fff; }
.testimonial blockquote { margin: 0; font-size: 22px; line-height: 1.38; letter-spacing: -.025em; }
.testimonial figcaption { display: flex; align-items: center; gap: 12px; }
.testimonial figcaption img, .avatar-fallback { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.avatar-fallback { display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); font-weight: 800; }
.testimonial figcaption b, .testimonial figcaption small { display: block; }
.testimonial figcaption small { margin-top: 4px; color: #777; }
.testimonial--dark figcaption small { color: #aaa; }

/* ---------------------------------------------------------
   FAQ
   --------------------------------------------------------- */
.faq-layout {
  display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px;
  background: #fff; border-radius: var(--radius); padding: clamp(34px, 5vw, 62px);
}
.faq-layout > div:first-child p { color: #666; line-height: 1.6; }
.faq-list { border-top: 1px solid #111; }
.faq-item { border-bottom: 1px solid #d7d7d3; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 22px 0;
  display: flex; justify-content: space-between; gap: 20px; font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-dark); }
.faq-plus {
  display: inline-block; /* sem isso o transform não se aplica */
  font-size: 23px; font-weight: 400; line-height: 1;
  transition: transform .22s ease, color .22s ease;
}
.faq-item[open] .faq-plus { transform: rotate(45deg); color: var(--accent); }
.faq-item p { margin: 0 0 22px; color: #666; line-height: 1.65; max-width: 65ch; }

/* ---------------------------------------------------------
   Contato e formulário
   --------------------------------------------------------- */
.contact-wrap { background: #111; padding: 62px 0; margin-top: 28px; }
.contact-card { display: grid; grid-template-columns: 1fr .9fr; gap: 60px; color: #fff; }
.contact-card > div > p { color: #b6b6b6; line-height: 1.65; max-width: 50ch; }
.contact-points { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.contact-points li { position: relative; padding-left: 24px; color: #dcdcdc; font-size: 15px; }
.contact-points li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  color: var(--accent); font-weight: 800;
}

.lead-form {
  background: #fff; color: #111; border-radius: 22px; padding: 26px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-content: start;
}
.lead-form .field { font-size: 12px; font-weight: 700; }
.lead-form .field--full, .lead-form .consent, .lead-form button, .lead-form .form-status { grid-column: 1 / -1; }
.lead-form input[type="text"], .lead-form input[type="tel"], .lead-form textarea {
  display: block; width: 100%; margin-top: 7px;
  border: 1px solid #d4d4d0; border-radius: 11px; padding: 12px 13px;
  background: #f8f8f6; outline: none; font-weight: 400;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.lead-form input:focus, .lead-form textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(19, 122, 79, .14);
}
.lead-form .is-invalid input, .lead-form .is-invalid textarea { border-color: #c0392b; background: #fdf5f4; }
.field-error { display: none; margin-top: 5px; color: #c0392b; font-size: 12px; font-weight: 600; }
.field-error.is-shown { display: block; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; font-weight: 400; color: #555; line-height: 1.5; }
.consent input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--accent); flex: none; }
.consent a { border-bottom: 1px solid #bbb; }
.form-status { min-height: 20px; margin: 0; font-size: 13px; }
.form-status.is-error { color: #c0392b; }
.form-status.is-ok { color: var(--accent-dark); }
.hp { position: absolute; left: -9999px; }

/* Botão flutuante de WhatsApp */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 45;
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--accent); color: #fff;
  padding: 13px 18px; border-radius: 999px; font-weight: 650; font-size: 15px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .22);
  transition: transform .2s ease, background .2s ease;
}
.wa-float:hover { transform: translateY(-2px); background: var(--accent-dark); }

/* ---------------------------------------------------------
   Páginas internas
   --------------------------------------------------------- */
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  padding: 22px 0 0; font-size: 13px; color: var(--muted);
}
.breadcrumb a:hover { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.breadcrumb span[aria-hidden] { color: #c2c2be; }

.page-hero {
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px;
  margin-top: 20px; align-items: stretch;
}
.page-hero--single { grid-template-columns: 1fr; }
.page-hero-copy { background: #fff; border-radius: var(--radius); padding: clamp(32px, 5vw, 60px); }
.page-hero h1 {
  font-size: clamp(38px, 5.4vw, 66px); line-height: .98;
  letter-spacing: -.05em; font-weight: 750; margin: 18px 0 20px; max-width: 16ch;
}
.page-hero-side {
  background: #171717; color: #fff; border-radius: var(--radius);
  padding: clamp(28px, 4vw, 40px);
}
.page-hero-side b { display: block; font-size: 14px; margin-bottom: 18px; color: #9d9d9d; font-weight: 650; }
.page-hero-side ul { list-style: none; margin: 0; padding: 0; }
.page-hero-side li { padding: 13px 0; border-top: 1px solid #333; line-height: 1.45; font-size: 15px; }

.prose {
  background: #fff; border-radius: var(--radius);
  padding: clamp(30px, 5vw, 60px); max-width: 100%;
}
.prose h2 { font-size: clamp(27px, 3.2vw, 36px); letter-spacing: -.04em; line-height: 1.1; margin: 42px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 21px; letter-spacing: -.03em; margin: 30px 0 10px; }
.prose p, .prose li { color: #4f4f4f; line-height: 1.75; font-size: 16.5px; max-width: 70ch; }
.prose p { margin: 0 0 18px; }
.prose ul { margin: 0 0 20px; padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose a { border-bottom: 1px solid var(--accent); color: var(--accent-dark); }
.prose--legal p, .prose--legal li { font-size: 16px; }

/* Blog */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.post-card {
  background: #fff; border-radius: 20px; padding: 26px;
  display: flex; flex-direction: column; gap: 10px; min-height: 250px;
  border: 1px solid transparent; transition: border-color .2s ease, transform .2s ease;
}
.post-card:hover { border-color: #111; transform: translateY(-2px); }
.post-cat {
  align-self: flex-start; background: var(--accent-soft); color: var(--accent-dark);
  border-radius: 999px; padding: 5px 11px; font-size: 11px; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
}
.post-card h2, .post-card h3 { font-size: 23px; line-height: 1.15; letter-spacing: -.035em; margin: 4px 0 0; }
.post-card p { color: #666; line-height: 1.55; margin: 0; flex: 1; }
.post-card time { font-size: 12px; color: #949490; }

.article { max-width: 900px; }
.article-head { padding: 40px 4px 26px; }
.article-head h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.02; letter-spacing: -.05em; margin: 14px 0 12px; }
.article-meta { color: var(--muted); font-size: 14px; margin: 0; }
.article-cover { width: 100%; border-radius: var(--radius); margin-bottom: 20px; object-fit: cover; }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 30px; }
.pagination a, .pagination span {
  min-width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 14px;
}
.pagination span[aria-current] { background: #111; color: #fff; border-color: #111; }

.empty-state, .error-card, .thanks-card {
  background: #fff; border-radius: var(--radius);
  padding: clamp(34px, 6vw, 70px); text-align: center;
}
.empty-state h2, .error-card h1, .thanks-card h1 {
  font-size: clamp(30px, 4vw, 46px); letter-spacing: -.045em; line-height: 1.05; margin: 14px 0 14px;
}
.empty-state p, .error-card p, .thanks-card p { color: var(--muted); line-height: 1.65; max-width: 52ch; margin: 0 auto 24px; }
.error-page, .thanks { padding: 60px 0; }
.error-links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.error-links a { border: 1px solid var(--line); border-radius: 999px; padding: 11px 18px; font-size: 14px; background: var(--bg); }
.error-links a:hover { border-color: #111; }
.thanks-card .hero-actions { justify-content: center; }
.thanks-check {
  display: grid; place-items: center; width: 62px; height: 62px; margin: 0 auto;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent-dark);
  font-size: 30px; font-weight: 800;
}
.thanks-card .small-note a { border-bottom: 1px solid var(--accent); }

/* ---------------------------------------------------------
   Rodapé
   --------------------------------------------------------- */
.site-footer { background: #fff; margin-top: 28px; }
.footer-main { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; padding: 54px 0; }
.brand--footer { font-size: 22px; }
.footer-main p { color: #666; max-width: 420px; line-height: 1.6; }
.footer-main > div:not(:first-child) { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.footer-main > div:not(:first-child) a:hover { color: var(--accent-dark); }
.footer-main b { margin-bottom: 8px; }
.footer-main span { color: #777; }
.footer-social { display: flex; gap: 14px; margin-top: 16px; font-size: 14px; }
.footer-social a { border-bottom: 1px solid var(--line); }
.footer-bottom { border-top: 1px solid #e1e1de; }
.footer-bottom .shell {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 18px 0 22px; font-size: 12px; color: #777;
}

/* ---------------------------------------------------------
   Revelação ao rolar
   --------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------------------------------------------------------
   Responsivo
   --------------------------------------------------------- */
@media (max-width: 1040px) {
  .footer-main { grid-template-columns: 1fr 1fr 1fr; }
  .footer-main > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-flex; }
  .mobile-nav.is-open { display: flex; flex-direction: column; padding: 4px 18px 18px; gap: 14px; }
  .hero, .problem-grid, .seo-copy-grid, .faq-layout, .contact-card, .page-hero, .editorial-grid { grid-template-columns: 1fr; }
  .hero-copy, .hero-art { min-height: auto; }
  .hero h1 { font-size: clamp(46px, 10vw, 70px); }
  .hero-art { min-height: 380px; }
  .service-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .connection-row { grid-template-columns: repeat(2, 1fr); }
  .stats-column { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 22px), var(--shell)); }
  .header-row { height: 68px; }
  .header-actions .button--ghost { display: none; } /* o botão flutuante assume no mobile */
  .section-space { padding-top: 18px; }
  .hero { gap: 10px; }
  .hero-copy { padding: 30px 24px; }
  .hero h1 { font-size: 42px; }
  .hero-actions { gap: 10px; }
  .hero-actions .button { width: 100%; }
  .hero-art { min-height: 300px; padding: 10px; }
  .platform-strip { --marquee-duration: 26s; }
  .problem.panel--dark { padding: 30px 22px; }
  .connection-row { grid-template-columns: 1fr; }
  .section-title { align-items: start; flex-direction: column; padding: 44px 2px 24px; }
  .section-title h2, .problem-grid h2, .seo-copy h2, .faq-layout h2, .contact-card h2 { font-size: 36px; }
  .service-grid, .post-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 210px; }
  .editorial-grid, .seo-copy-grid, .faq-layout, .prose { padding: 30px 22px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { border-right: 0; border-bottom: 1px solid #cdcdc8; padding-left: 0; min-height: auto; }
  .process-step:last-child { border-bottom: 0; }
  .process-step h3 { margin-top: 18px; }
  .lead-form { grid-template-columns: 1fr; padding: 22px; }
  .lead-form .field--full { grid-column: auto; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; padding: 40px 0; }
  .footer-bottom .shell { flex-direction: column; gap: 8px; }
  .wa-float { right: 14px; bottom: 14px; padding: 12px 16px; font-size: 14px; }
  .page-hero h1 { font-size: 38px; }
  .article-head { padding: 26px 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .platform-track { animation: none; }
  .button:hover, .service-card:hover, .post-card:hover, .wa-float:hover { transform: none; }
}