/* ============================================================
   SantosCJR Dev — Landing Page
   Estilo: carvão profundo · azul sólido · minimalista/editorial
   Sem Google Fonts, sem CDN, sem terceiros (LGPD + performance).
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --bg:        #0B0D11;   /* carvão profundo (fundo base) */
  --bg-2:      #0F1217;   /* seção alternada / faixa */
  --surface:   #13161D;   /* card sólido */
  --surface-2: #191D26;   /* card hover / input */
  --line:      #23282F;   /* borda/hairline sutil (sólida) */
  --line-2:    #2E343D;   /* borda mais visível */

  --blue:      #087FF5;   /* azul da marca: links, rótulos, bordas, foco */
  --blue-cta:  #0A6FE0;   /* fundo de botão sólido (AA com texto branco) */
  --blue-hover:#0A61C6;   /* hover de botão */
  --blue-weak: rgba(8,127,245,0.10);  /* fundo discreto p/ ícones/rótulos */
  --wa:        #25D366;   /* verde oficial do WhatsApp (ícone) */

  --text:      #F2F5FA;   /* títulos e texto forte */
  --text-soft: #C4CCD8;   /* corpo */
  --text-muted:#9AA3B2;   /* secundário (contraste AA ≈7:1 sobre --bg) */
  --white:     #ffffff;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'Segoe UI Mono', 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;

  --radius:    14px;
  --radius-sm: 10px;
  --radius-lg: 20px;

  --maxw: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --header-h: 68px;
}

/* ---------- 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) + 12px); }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-soft);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: -0.006em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; padding: 0; }
input, textarea, select { font-family: inherit; font-size: inherit; }
[hidden] { display: none !important; }

h1, h2, h3, h4 { line-height: 1.12; font-weight: 800; letter-spacing: -0.02em; color: var(--text); }

::selection { background: rgba(8,127,245,0.32); color: #fff; }

/* Foco visível e consistente (acessibilidade) */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 300;
  background: var(--blue-cta); color: #fff; padding: 10px 16px; border-radius: 10px; font-weight: 600;
}
.skip-link:focus { left: 16px; }

/* ---------- Botões ---------- */
.btn {
  --py: 12px; --px: 22px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: var(--py) var(--px);
  border-radius: 999px; font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
  white-space: nowrap;
}
.btn--sm { --py: 9px; --px: 16px; font-size: 0.9rem; }
.btn--lg { --py: 15px; --px: 28px; font-size: 1.02rem; }
.btn--block { display: flex; width: 100%; }
.btn svg { flex: none; }

.btn--primary { background: var(--blue-cta); color: #fff; }
.btn--primary:hover { background: var(--blue-hover); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }

.btn--outline { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn--outline:hover { border-color: var(--blue); color: #fff; background: var(--blue-weak); }

.btn--wa { background: var(--blue-cta); color: #fff; }
.btn--wa:hover { background: var(--blue-hover); transform: translateY(-1px); }

.link-inline { color: var(--blue); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.link-inline:hover { color: #4aa3ff; }

/* ---------- Rótulos / eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.76rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--blue);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--blue); border-radius: 2px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,13,17,0.85); border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
  backdrop-filter: blur(8px);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(11,13,17,0.94); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; }
.brand__text { font-size: 1.12rem; letter-spacing: -0.03em; color: var(--text); }
.brand__dev { color: var(--blue); margin-left: 4px; }

.nav { display: flex; gap: 2px; }
.nav__link {
  padding: 9px 14px; border-radius: 9px; color: var(--text-soft); font-size: 0.92rem; font-weight: 500;
  transition: color 0.2s, background 0.2s; white-space: nowrap;
}
.nav__link:hover { color: var(--text); background: var(--surface); }

.header__actions { display: flex; align-items: center; }

.nav-toggle { display: none; width: 44px; height: 44px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; border-radius: 10px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: flex; flex-direction: column; gap: 4px; padding: 12px 24px 22px;
  background: var(--bg); border-bottom: 1px solid var(--line);
}
.mobile-nav__link { padding: 13px 14px; border-radius: 11px; color: var(--text-soft); font-weight: 500; transition: background 0.2s, color 0.2s; }
.mobile-nav__link:hover { background: var(--surface); color: var(--text); }
.mobile-nav .btn { margin-top: 8px; }

/* ---------- Seção base ---------- */
.section { padding: clamp(64px, 9vw, 110px) 0; position: relative; }
.section--alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { max-width: 720px; margin: 0 0 clamp(36px, 5vw, 56px); }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__eyebrow { margin-bottom: 18px; }
.section__title { font-size: clamp(1.6rem, 3.6vw, 2.4rem); letter-spacing: -0.025em; }
.section__lead { font-size: clamp(1.02rem, 1.5vw, 1.15rem); color: var(--text-soft); margin-top: 16px; max-width: 640px; }
.section__head--center .section__lead { margin-left: auto; margin-right: auto; }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: clamp(64px, 10vw, 120px) 0 clamp(56px, 8vw, 96px); border-bottom: 1px solid var(--line); }
.hero__inner { max-width: 900px; }
.hero__eyebrow { margin-bottom: 26px; }
.hero__title {
  font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.06; color: var(--text); margin-bottom: 22px; text-wrap: balance;
}
.hero__text { font-size: clamp(1.08rem, 1.9vw, 1.3rem); color: var(--text-soft); max-width: 620px; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero__note {
  display: flex; align-items: flex-start; gap: 11px; max-width: 620px;
  padding-top: 26px; border-top: 1px solid var(--line);
  font-size: 0.98rem; color: var(--text-muted);
}
.hero__note svg { flex: none; color: var(--blue); margin-top: 3px; }

/* ============================================================
   RECONHECIMENTO DO PROBLEMA
   ============================================================ */
.recognize__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.situation {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 20px 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
}
.situation__ic { flex: none; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; color: var(--blue); background: var(--blue-weak); border: 1px solid rgba(8,127,245,0.25); }
.situation__ic svg { width: 20px; height: 20px; }
.situation p { color: var(--text-soft); font-size: 0.98rem; }
.recognize__close { margin-top: 26px; font-size: 1.05rem; color: var(--text); font-weight: 600; }
.recognize__close span { color: var(--blue); }

/* ============================================================
   SOLUÇÕES
   ============================================================ */
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.solution {
  padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
  transition: border-color 0.2s, transform 0.2s;
}
.solution:hover { border-color: var(--line-2); transform: translateY(-3px); }
.solution__ic { width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; color: var(--blue); background: var(--blue-weak); border: 1px solid rgba(8,127,245,0.22); margin-bottom: 18px; }
.solution__ic svg { width: 24px; height: 24px; }
.solution h3 { font-size: 1.14rem; margin-bottom: 9px; color: var(--text); }
.solution p { color: var(--text-muted); font-size: 0.96rem; line-height: 1.55; }

/* ============================================================
   EXEMPLOS DE APLICAÇÃO
   ============================================================ */
.examples__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.example {
  display: flex; align-items: center; gap: 13px;
  padding: 16px 20px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line);
  color: var(--text-soft); font-size: 0.98rem;
}
.example__mark { flex: none; width: 8px; height: 8px; border-radius: 2px; background: var(--blue); }
.examples__note {
  display: flex; align-items: flex-start; gap: 11px; margin-top: 24px;
  padding: 18px 22px; border-radius: var(--radius); background: var(--blue-weak); border: 1px solid rgba(8,127,245,0.22);
  color: var(--text); font-size: 1rem;
}
.examples__note svg { flex: none; color: var(--blue); margin-top: 3px; }

/* ============================================================
   COMO FUNCIONA (etapas visíveis)
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.step { padding: 26px 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); position: relative; }
.step__num {
  font-family: var(--font-sans); font-variant-numeric: tabular-nums; font-weight: 800;
  font-size: 1.05rem; color: var(--blue); width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center; background: var(--blue-weak); border: 1px solid rgba(8,127,245,0.25); margin-bottom: 18px;
}
.step h3 { font-size: 1.1rem; margin-bottom: 9px; color: var(--text); }
.step p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.55; }

/* ============================================================
   CONFIANÇA (compromissos)
   ============================================================ */
.commitments { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.commitment { display: flex; align-items: flex-start; gap: 13px; padding: 20px 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.commitment__ic { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; color: var(--blue); background: var(--blue-weak); }
.commitment__ic svg { width: 15px; height: 15px; }
.commitment p { color: var(--text-soft); font-size: 0.98rem; line-height: 1.5; }

/* ============================================================
   CTA final
   ============================================================ */
.cta__box {
  max-width: 900px; margin: 0 auto; text-align: center;
  padding: clamp(40px, 6vw, 72px) clamp(24px, 5vw, 56px);
  border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line-2);
}
.cta__title { font-size: clamp(1.5rem, 3.2vw, 2.15rem); color: var(--text); margin: 0 auto 18px; max-width: 720px; letter-spacing: -0.025em; }
.cta__text { color: var(--text-soft); font-size: clamp(1rem, 1.7vw, 1.15rem); max-width: 560px; margin: 0 auto 30px; }

/* ============================================================
   CONTATO
   ============================================================ */
.contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: start; }
.contact__info .section__title { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
.contact__list { display: flex; flex-direction: column; gap: 14px; margin: 28px 0 24px; }
.contact__item { display: flex; align-items: center; gap: 14px; }
.contact__ic { flex: none; width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; color: var(--blue); background: var(--blue-weak); border: 1px solid rgba(8,127,245,0.2); }
.contact__ic svg { width: 21px; height: 21px; }
.contact__ic--wa { color: var(--wa); background: rgba(37,211,102,0.10); border-color: rgba(37,211,102,0.28); }
.contact__item small { display: block; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 2px; }
.contact__item a, .contact__item span.val { font-weight: 500; color: var(--text); transition: color 0.2s; }
.contact__item a:hover { color: var(--blue); }
.contact__assurance { display: flex; align-items: center; gap: 9px; font-size: 0.88rem; color: var(--text-muted); }
.contact__assurance svg { color: var(--blue); flex: none; }

.contact__form { padding: clamp(24px, 4vw, 36px); border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); }
.field { margin-bottom: 16px; display: flex; flex-direction: column; gap: 7px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font-size: 0.86rem; font-weight: 500; color: var(--text-soft); }
.field label span { color: var(--blue); }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; background: var(--bg);
  border: 1px solid var(--line-2); color: var(--text); transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #6b7486; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8,127,245,0.2); }
.field input:user-invalid { border-color: #e06a6a; }
.contact__form .btn { margin-top: 6px; }
.form-consent { margin-top: 14px; font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
.form-consent a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.contact__alt { text-align: center; margin-top: 14px; font-size: 0.9rem; color: var(--text-muted); }
.form-status { margin-top: 14px; font-size: 0.92rem; min-height: 20px; }
.form-status.is-success { color: #4ad991; }
.form-status.is-error { color: #ff8a8a; }
/* Fallback visível do WhatsApp (aparece se o pop-up for bloqueado) */
.wa-fallback { margin-top: 14px; padding: 16px 18px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line-2); }
.wa-fallback p { font-size: 0.9rem; color: var(--text-soft); margin-bottom: 10px; }
.wa-fallback a { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 600; word-break: break-all; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ============================================================
   RODAPÉ
   ============================================================ */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 28px; background: var(--bg-2); }
.site-footer__inner { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 40px; margin-bottom: 40px; }
.site-footer__tagline { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; max-width: 300px; margin-top: 16px; }
.site-footer__col h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 16px; font-weight: 600; }
.site-footer__col a, .site-footer__col p { display: block; color: var(--text-soft); font-size: 0.92rem; padding: 4px 0; transition: color 0.2s; }
.site-footer__col a:hover { color: var(--blue); }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.84rem; color: var(--text-muted); flex-wrap: wrap; gap: 12px; }
.site-footer__legal { display: flex; gap: 18px; }
.site-footer__legal a { color: var(--text-muted); transition: color 0.2s; }
.site-footer__legal a:hover { color: var(--blue); }

/* Voltar ao topo */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; background: var(--blue-cta); border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6); transition: background 0.2s, transform 0.2s;
}
.to-top:hover { background: var(--blue-hover); transform: translateY(-2px); }

/* ============================================================
   PÁGINAS LEGAIS (privacidade / termos)
   ============================================================ */
.legal-header { position: sticky; top: 0; z-index: 100; background: rgba(11,13,17,0.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.legal-header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.legal-back { display: inline-flex; align-items: center; gap: 8px; color: var(--text-soft); font-weight: 500; transition: color 0.2s; }
.legal-back:hover { color: var(--text); }
.legal-wrap { max-width: 800px; margin: 0 auto; padding: clamp(36px, 6vw, 68px) 24px 80px; }
.legal-wrap h1 { font-size: clamp(1.9rem, 4.6vw, 2.6rem); margin-bottom: 12px; letter-spacing: -0.025em; }
.legal-updated { color: var(--text-muted); font-family: var(--font-mono); font-size: 0.84rem; margin-bottom: 22px; }
.legal-intro { font-size: 1.06rem; color: var(--text-soft); line-height: 1.7; margin-bottom: 10px; }
.legal-wrap h2 { font-size: 1.25rem; margin: 36px 0 12px; }
.legal-wrap h2 .legal-num { font-family: var(--font-sans); font-variant-numeric: tabular-nums; color: var(--blue); font-size: 0.95rem; margin-right: 8px; }
.legal-wrap h3 { font-size: 1.02rem; margin: 22px 0 8px; color: var(--text); }
.legal-wrap p { color: var(--text-soft); line-height: 1.75; margin-bottom: 14px; }
.legal-wrap ul { margin: 0 0 16px; display: flex; flex-direction: column; gap: 9px; }
.legal-wrap li { color: var(--text-soft); line-height: 1.65; padding-left: 22px; position: relative; }
.legal-wrap li::before { content: ""; position: absolute; left: 3px; top: 10px; width: 6px; height: 6px; border-radius: 2px; background: var(--blue); }
.legal-wrap a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.legal-wrap strong { color: var(--text); font-weight: 600; }
.legal-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin: 8px 0 30px; }
.legal-card p:last-child { margin-bottom: 0; }
.legal-footer { border-top: 1px solid var(--line); padding: 26px 0; text-align: center; color: var(--text-muted); font-size: 0.86rem; }
.legal-footer a { color: var(--text-soft); }
.legal-footer a:hover { color: var(--blue); }

/* ============================================================
   Animações de entrada (sutis, não bloqueiam conteúdo)
   Conteúdo é visível por padrão; só some quando o JS ativa (.js).
   ============================================================ */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-visible { opacity: 1; transform: none; transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 960px) {
  .nav, .header__actions { display: none; }
  .nav-toggle { display: flex; }
  .solutions-grid, .commitments { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; gap: 36px; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .recognize__grid, .examples__grid, .solutions-grid, .commitments, .steps { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .hero__cta .btn { width: 100%; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .site-footer__bottom { justify-content: flex-start; }
}

@media (max-width: 380px) {
  .container { padding: 0 18px; }
}

/* ============================================================
   Acessibilidade — movimento e dados reduzidos
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}
@media (prefers-reduced-data: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}