/* ==========================================================================
   Weconcursos — Design System (site institucional, frontend estático)
   Tipografia: Inter (única família). Hierarquia por tamanho, peso e espaçamento.
   Pesos: 400 texto · 500 menus/secundário · 600 botões/títulos de card · 700 títulos/hero/preços
   ========================================================================== */

/* 1. TOKENS -------------------------------------------------------------- */
:root {
  /* Marca */
  --brand: #257bed;
  --brand-600: #1f6fd0;
  --brand-700: #1b5fbc;
  --brand-050: #eef4ff;
  --brand-100: #dbe8ff;

  /* Ação */
  --green: #1cb454;
  --green-600: #18a44b;
  --green-700: #148c40;
  --green-050: #e7f7ee;

  --yellow: #f5b301;

  /* Texto */
  --ink: #16233d;
  --ink-soft: #33415c;
  --text: #4a5872;
  --muted: #7a869c;

  /* Superfícies */
  --bg: #ffffff;
  --bg-soft: #f4f8ff;
  --bg-tint: #eef4ff;

  /* Bordas / estados */
  --border: #e4eaf4;
  --border-strong: #cdd7e6;
  --ring: rgba(37, 123, 237, .28);
  --danger: #e5484d;
  --success: #1cb454;

  /* Pastéis (ícones dos cards de recursos) */
  --p-blue-bg: #e8f1ff;   --p-blue-fg: #2f6fd6;
  --p-green-bg: #e6f7ec;  --p-green-fg: #1f9e54;
  --p-amber-bg: #fff3db;  --p-amber-fg: #b9821b;
  --p-purple-bg: #efeafe; --p-purple-fg: #7a5bd6;
  --p-pink-bg: #ffe9f0;   --p-pink-fg: #d8477e;
  --p-teal-bg: #e2f6f4;   --p-teal-fg: #1c9c94;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(16, 35, 61, .06), 0 1px 3px rgba(16, 35, 61, .05);
  --shadow: 0 10px 30px rgba(16, 35, 61, .08);
  --shadow-lg: 0 24px 60px rgba(16, 35, 61, .14);

  --container: 1180px;
  --header-h: 72px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* 2. RESET / BASE ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
a { color: var(--brand); text-decoration: none; transition: color .18s var(--ease); }
a:hover { color: var(--brand-700); }
ul, ol { list-style: none; padding: 0; }

:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 6px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: #fff; color: var(--ink); padding: 10px 16px;
  border-radius: 8px; box-shadow: var(--shadow); transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* 3. TIPOGRAFIA ------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font); color: var(--ink); line-height: 1.2; }
h1 { font-size: clamp(2rem, 1.3rem + 3vw, 3.05rem); font-weight: 700; letter-spacing: -.022em; }
h2 { font-size: clamp(1.65rem, 1.2rem + 1.8vw, 2.3rem); font-weight: 700; letter-spacing: -.02em; }
h3 { font-size: 1.14rem; font-weight: 600; letter-spacing: -.01em; }
h4 { font-size: 1rem; font-weight: 600; }
p { text-wrap: pretty; }
strong { color: var(--ink-soft); font-weight: 600; }
.num { font-variant-numeric: tabular-nums; letter-spacing: -.02em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: .8rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--brand-700); background: var(--brand-050); border: 1px solid var(--brand-100);
  padding: 6px 14px; border-radius: var(--radius-pill);
}

.section-head { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow { margin-bottom: 16px; }
.section-head p { margin-top: 12px; font-size: 1.06rem; color: var(--text); }

.lead { font-size: 1.14rem; color: var(--ink-soft); font-weight: 400; }

/* 4. LAYOUT --------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
@media (min-width: 640px) { .container { padding-inline: 28px; } }

.section { padding-block: clamp(52px, 4vw + 36px, 96px); }
.section--tight { padding-block: clamp(40px, 3vw + 24px, 68px); }
.section--soft { background: var(--bg-soft); }
.section--ink { background: #10203a; }
.section--ink h2, .section--ink h3 { color: #fff; }
.section--ink p { color: #c6d3e8; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.center { text-align: center; }
.mt-40 { margin-top: 40px; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 5. BOTÕES --------------------------------------------------------------- */
.btn {
  --btn-bg: var(--green); --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 600; font-size: .98rem; line-height: 1;
  padding: 14px 24px; border-radius: var(--radius-sm);
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1.5px solid transparent;
  box-shadow: 0 8px 18px rgba(28, 180, 84, .22);
  transition: transform .16s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { background: var(--green-600); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(28, 180, 84, .28); }
.btn:active { transform: translateY(0); }

.btn--secondary {
  background: #fff; color: var(--ink); border-color: var(--border-strong); box-shadow: var(--shadow-sm);
}
.btn--secondary:hover { background: #fff; color: var(--brand-700); border-color: var(--brand); box-shadow: 0 10px 22px rgba(37, 123, 237, .16); }

.btn--lg { padding: 17px 32px; font-size: 1.05rem; }
.btn--sm { padding: 10px 16px; font-size: .88rem; }
.btn--block { width: 100%; }

.btn--google { background: #fff; color: var(--ink-soft); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.btn--google:hover { background: #fff; color: var(--ink); border-color: var(--muted); box-shadow: var(--shadow); }

/* 6. HEADER ------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--border); box-shadow: 0 6px 24px rgba(16, 35, 61, .06); }
.site-header__inner { display: flex; align-items: center; gap: 12px; height: var(--header-h); }

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand__mark {
  position: relative; display: inline-flex; align-items: baseline;
  font-weight: 700; font-size: 1.4rem; letter-spacing: -.03em; line-height: 1;
  color: var(--ink); padding-right: 14px;
}
.brand__mark .we { color: var(--brand); }
.brand__check { position: absolute; right: -2px; top: -3px; width: 15px; height: 15px; color: var(--yellow); }
.brand--sm .brand__mark { font-size: 1.2rem; }
.brand--light .brand__mark { color: #fff; }
.brand--light .brand__mark .we { color: #6ea8ff; }

.header-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; flex-shrink: 0; }
.header-actions a.navlink {
  font-weight: 500; font-size: .94rem; color: var(--ink-soft);
  padding: 9px 14px; border-radius: 8px;
}
.header-actions a.navlink:hover { color: var(--brand-700); background: var(--brand-050); }
.header-actions a.navlink[aria-current="page"] { color: var(--brand-700); }
@media (max-width: 520px) {
  .header-actions .navlink--inicio { display: none; }
  .header-actions .btn { padding: 11px 16px; font-size: .9rem; }
  .brand__mark { font-size: 1.22rem; }
}

/* 7. HERO ------------------------------------------------------------- */
.hero {
  background:
    radial-gradient(1100px 560px at 88% -10%, rgba(37, 123, 237, .12), transparent 60%),
    linear-gradient(180deg, #f4f8ff 0%, #ffffff 78%);
  overflow: hidden;
}
.hero__grid {
  display: grid; grid-template-columns: 1.02fr .98fr; align-items: center;
  gap: 52px; padding-block: clamp(44px, 5vw, 84px);
}
.hero h1 { margin-bottom: 18px; }
.hero h1 .accent { color: var(--brand); }
.hero__lead { font-size: 1.14rem; color: var(--ink-soft); max-width: 46ch; }
.hero__cta { margin-top: 28px; }
.hero__meta { margin-top: 22px; }
.hero__meta b { display: block; font-weight: 700; color: var(--ink); font-size: 1.02rem; }
.hero__meta span { font-size: .9rem; color: var(--muted); font-weight: 500; }

.hero__media { position: relative; }
.hero__media img {
  width: 100%;
  height: clamp(340px, 40vw, 480px);
  object-fit: cover;
  object-position: center 20%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(160deg, #e9f1ff 0%, #d7e7ff 100%);
}
@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .hero__lead { margin-inline: auto; }
  .hero__cta { display: flex; justify-content: center; }
}

/* 8. CARDS DE RECURSOS ---------------------------------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }

.feature {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.feature__icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.feature__icon svg { width: 26px; height: 26px; }
.feature__icon.p-blue { background: var(--p-blue-bg); color: var(--p-blue-fg); }
.feature__icon.p-green { background: var(--p-green-bg); color: var(--p-green-fg); }
.feature__icon.p-amber { background: var(--p-amber-bg); color: var(--p-amber-fg); }
.feature__icon.p-purple { background: var(--p-purple-bg); color: var(--p-purple-fg); }
.feature__icon.p-pink { background: var(--p-pink-bg); color: var(--p-pink-fg); }
.feature__icon.p-teal { background: var(--p-teal-bg); color: var(--p-teal-fg); }
.feature h3 { margin-bottom: 6px; }
.feature p { font-size: .95rem; }

/* 9. COMO FUNCIONA ------------------------------------------------------ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }
.step-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px;
}
.step-card__n {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--brand); color: #fff; font-weight: 700; font-size: 1.05rem;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.step-card h3 { margin-bottom: 6px; }
.step-card p { font-size: .93rem; }

/* 10. QUESTÕES FOCADAS (destaque) -------------------------------------- */
.focus-block { max-width: 780px; margin-inline: auto; text-align: center; }
.focus-block h2 { margin-bottom: 18px; }
.focus-block p { font-size: 1.05rem; color: var(--ink-soft); margin-bottom: 14px; }
.focus-block .punch {
  font-size: clamp(1.15rem, 1rem + 1vw, 1.5rem); font-weight: 700; color: var(--ink);
  letter-spacing: -.01em; margin: 24px auto 26px; max-width: 30ch;
}
.focus-block .highlight { color: var(--brand); }

/* 11. PLANOS ---------------------------------------------------------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
@media (max-width: 980px) { .plans { grid-template-columns: 1fr; max-width: 440px; margin-inline: auto; } }

.plan {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px 28px;
}
.plan--featured { border-color: var(--brand); box-shadow: 0 20px 46px rgba(37, 123, 237, .16); }
.plan--featured::before {
  content: "Mais completo"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: #fff; font-size: .72rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; padding: 5px 14px; border-radius: var(--radius-pill);
}
.plan__emoji { font-size: 1.5rem; line-height: 1; margin-bottom: 10px; }
.plan h3 { font-size: 1.16rem; font-weight: 700; letter-spacing: -.01em; }
.plan__desc { font-size: .93rem; color: var(--text); margin: 8px 0 16px; }
.plan__list { display: grid; gap: 10px; margin-bottom: 20px; }
.plan__list li { display: flex; gap: 10px; font-size: .92rem; color: var(--ink-soft); }
.plan__list svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--green); margin-top: 2px; }
.plan__price { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); }
.plan__price b { font-size: 2rem; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.plan__price b span { font-size: .95rem; font-weight: 500; color: var(--muted); }
.plan__price .once { display: block; font-size: .9rem; color: var(--muted); margin-top: 2px; }
.plan .btn { margin-top: 18px; }
.plans-note { text-align: center; margin-top: 32px; font-size: .86rem; color: var(--muted); }

/* 12. DEPOIMENTOS (compactos, horizontais) --------------------------- */
.testi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 820px) { .testi-grid { grid-template-columns: 1fr; } }
.testi {
  display: flex; gap: 16px; align-items: flex-start;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px;
}
.testi__photo { flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.testi__body { display: flex; flex-direction: column; gap: 6px; }
.testi__name { font-weight: 600; color: var(--ink); font-size: .96rem; }
.testi__quote { font-size: .92rem; color: var(--ink-soft); }

/* Avaliação por estrelas (SVG data-URI, sem imagem) */
.rating {
  --star: 15px; display: inline-block; position: relative;
  width: calc(var(--star) * 5); height: var(--star);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='%23d7deea' d='M12 2.6l2.9 5.9 6.5.9-4.7 4.6 1.1 6.5L12 21l-5.8 3 1.1-6.5L2.6 12.9l6.5-.9z'/></svg>");
  background-size: var(--star) var(--star); background-repeat: repeat-x;
}
.rating__fill {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='%23f5b301' d='M12 2.6l2.9 5.9 6.5.9-4.7 4.6 1.1 6.5L12 21l-5.8 3 1.1-6.5L2.6 12.9l6.5-.9z'/></svg>");
  background-size: var(--star) var(--star); background-repeat: repeat-x;
}

/* 13. FAQ / ACCORDION ------------------------------------------------ */
.accordion { max-width: 800px; margin-inline: auto; display: grid; gap: 12px; }
.accordion__item {
  border: 1px solid var(--border); border-radius: var(--radius); background: #fff; overflow: hidden;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.accordion__item.is-open { border-color: var(--brand-100); box-shadow: var(--shadow-sm); }
.accordion__trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px; text-align: left; font-weight: 600; font-size: 1rem; color: var(--ink);
}
.accordion__trigger:hover { color: var(--brand-700); }
.accordion__icon {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--brand-050); color: var(--brand-700);
  display: flex; align-items: center; justify-content: center;
  transition: transform .25s var(--ease), background-color .2s var(--ease);
}
.accordion__icon svg { width: 15px; height: 15px; }
.accordion__item.is-open .accordion__icon { transform: rotate(45deg); background: var(--brand); color: #fff; }
.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s var(--ease); }
.accordion__panel > div { overflow: hidden; }
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }
.accordion__panel p { padding: 0 22px 20px; font-size: .95rem; }
.accordion__panel p + p { padding-top: 0; }

/* 14. CTA BAND ------------------------------------------------------- */
.cta-band {
  background:
    radial-gradient(700px 400px at 12% 0%, rgba(255, 255, 255, .16), transparent 60%),
    linear-gradient(120deg, var(--brand) 0%, #1c63c9 100%);
  border-radius: var(--radius-lg); padding: clamp(34px, 4vw, 60px); text-align: center;
  color: #fff; box-shadow: var(--shadow-lg);
}
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #dbe8ff; max-width: 54ch; margin: 0 auto 24px; font-size: 1.05rem; }

/* 15. AUTENTICAÇÃO (login) ------------------------------------------- */
.page-auth .site-footer, .page-auth .to-top { display: none; }
.auth-wrap {
  min-height: calc(100dvh - var(--header-h)); display: grid; place-items: center; padding: 48px 20px;
  background: radial-gradient(700px 400px at 50% -10%, rgba(37, 123, 237, .1), transparent 60%), var(--bg-soft);
}
.auth-card {
  width: 100%; max-width: 440px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 40px 34px; text-align: center;
}
.auth-card .brand { justify-content: center; margin-bottom: 20px; }
.auth-card h1 { font-size: 1.5rem; margin-bottom: 8px; }
.auth-card > p { font-size: .95rem; margin-bottom: 26px; }
.auth-divider {
  display: flex; align-items: center; gap: 14px; margin: 22px 0;
  color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em;
}
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.field { text-align: left; margin-bottom: 16px; }
.field label { display: block; font-size: .88rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.field input {
  width: 100%; padding: 13px 14px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); background: #fff;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px var(--ring); }
.auth-meta { margin-top: 20px; font-size: .9rem; color: var(--muted); }
.auth-note {
  margin-top: 18px; font-size: .82rem; color: var(--muted);
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px;
}

/* 16. PÁGINAS DE TEXTO (termos, política) -------------------------- */
.page-hero {
  background: radial-gradient(900px 400px at 90% -20%, rgba(37, 123, 237, .12), transparent 60%),
    linear-gradient(180deg, #f4f8ff, #fff);
  padding-block: clamp(40px, 5vw, 72px); text-align: center; border-bottom: 1px solid var(--border);
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero p { max-width: 60ch; margin: 0 auto; font-size: 1.06rem; color: var(--ink-soft); }
.breadcrumb { display: flex; gap: 8px; justify-content: center; margin-bottom: 18px; font-size: .85rem; color: var(--muted); }
.breadcrumb a { color: var(--muted); }

.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { margin-top: 38px; margin-bottom: 12px; font-size: 1.45rem; }
.prose h3 { margin-top: 24px; margin-bottom: 8px; }
.prose p { margin-bottom: 15px; }
.prose ul { list-style: disc; padding-left: 22px; margin-bottom: 15px; display: grid; gap: 8px; }
.prose .note {
  background: var(--brand-050); border: 1px solid var(--brand-100); border-radius: var(--radius);
  padding: 16px 20px; font-size: .92rem; color: var(--ink-soft);
}
.prose .updated { font-size: .88rem; color: var(--muted); margin-bottom: 8px; }

/* 17. FOOTER ------------------------------------------------------- */
.site-footer { background: #10203a; color: #b9c6dc; padding-block: 48px 26px; }
.site-footer a { color: #b9c6dc; }
.site-footer a:hover { color: #fff; }
.footer-top {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px 40px;
}
.footer-brand { max-width: 300px; }
.footer-brand .brand { margin-bottom: 10px; }
.footer-brand p { font-size: .92rem; color: #93a3bd; }
.footer-links { display: flex; gap: 44px; flex-wrap: wrap; }
.footer-col h4 { color: #fff; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.footer-col ul { display: grid; gap: 9px; }
.footer-col a { font-size: .92rem; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .14);
  display: flex; align-items: center; justify-content: center;
  transition: background-color .18s var(--ease), border-color .18s var(--ease);
}
.footer-social a:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .3); }
.footer-social svg { width: 18px; height: 18px; }
.footer-bottom {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .84rem; color: #8595b0;
}

/* 18. BACK TO TOP + ANIMAÇÕES ------------------------------------ */
.to-top {
  position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; border-radius: 50%;
  background: var(--brand); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .25s var(--ease); z-index: 80;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand-700); color: #fff; }
.to-top svg { width: 20px; height: 20px; }

.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: .07s; }
.js .reveal[data-delay="2"] { transition-delay: .14s; }
.js .reveal[data-delay="3"] { transition-delay: .21s; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .feature:hover { transform: none; }
}