/* =========================================================================
   RECONDICIONA — style.css
   Site institucional/comercial. Vanilla CSS3, mobile-first, sem frameworks.
   Paleta: slate escuro + azul elétrico + âmbar. Animações só transform/opacity.
   ========================================================================= */

/* ---------- 1. Tokens / variáveis ---------- */
:root {
  /* cores base */
  --slate-900: #0a0f17;
  --slate-850: #0d1420;
  --slate-800: #111a28;
  --slate-700: #1a2535;
  --slate-600: #2a3a50;
  --line:      rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);

  /* marca */
  --blue:      #2f7bff;   /* azul elétrico */
  --blue-bright:#3b9dff;
  --cyan:      #38bdf8;
  --amber:     #ff9d2e;   /* faísca / energia */
  --amber-soft:#ffb45a;
  --copper:    #d98a4e;

  /* texto */
  --ink:       #eef3fb;   /* texto claro sobre escuro */
  --ink-soft:  #aab6c8;
  --ink-mute:  #7c8aa0;
  --ink-dark:  #0d1420;   /* texto escuro sobre claro */
  --ink-dark-soft:#48566b;

  /* superfícies claras */
  --paper:     #f5f7fb;
  --paper-2:   #ffffff;

  /* efeitos */
  --grad-brand: linear-gradient(120deg, var(--blue) 0%, var(--cyan) 100%);
  --grad-spark: linear-gradient(120deg, var(--blue) 0%, var(--amber) 120%);
  --shadow-sm: 0 1px 2px rgba(7, 12, 20, .08), 0 2px 8px rgba(7, 12, 20, .06);
  --shadow-md: 0 8px 24px rgba(7, 12, 20, .10), 0 2px 6px rgba(7, 12, 20, .06);
  --shadow-lg: 0 20px 50px rgba(7, 12, 20, .18);
  --shadow-glow: 0 10px 40px rgba(47, 123, 255, .35);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --container: 1200px;
  --ease: cubic-bezier(.22, .61, .36, 1);   /* ease-out */
  --t-fast: .16s var(--ease);
  --t: .24s var(--ease);

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ---------- 2. Reset enxuto ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink-dark);
  background: var(--paper-2);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -.02em; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

/* ---------- 3. Layout utils ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }
.section { padding: 86px 0; position: relative; }
.section--dark { background: var(--slate-900); color: var(--ink); }
.section--paper { background: var(--paper); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: .82rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--blue);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad-brand); border-radius: 2px; }
.section--dark .eyebrow { color: var(--cyan); }
.title {
  font-size: clamp(1.85rem, 1.1rem + 3vw, 3.1rem);
  letter-spacing: -.03em; color: var(--ink-dark);
}
.section--dark .title { color: var(--ink); }
.lead { font-size: clamp(1.02rem, .98rem + .4vw, 1.18rem); color: var(--ink-dark-soft); max-width: 64ch; }
.section--dark .lead { color: var(--ink-soft); }
.section-head { max-width: 760px; margin-bottom: 52px; }
.text-grad { background: var(--grad-spark); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 4. Botões ---------- */
.btn {
  --bg: var(--blue);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-family: var(--font-display);
  font-weight: 600; font-size: .98rem; letter-spacing: -.01em; white-space: nowrap;
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), color var(--t);
  will-change: transform;
}
.btn svg { width: 19px; height: 19px; flex: none; }
.btn--primary { background: var(--blue); color: #fff; box-shadow: var(--shadow-glow); }
.btn--primary:hover { background: var(--blue-bright); box-shadow: 0 14px 44px rgba(47,123,255,.45); }
.btn--wa { background: #25d366; color: #07351a; box-shadow: 0 10px 34px rgba(37,211,102,.35); }
.btn--wa:hover { background: #2be673; box-shadow: 0 14px 40px rgba(37,211,102,.45); }
.btn--ghost { background: rgba(255,255,255,.06); color: var(--ink); border: 1px solid var(--line); }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.22); }
.btn--dark { background: var(--slate-900); color: #fff; box-shadow: var(--shadow-md); }
.btn--dark:hover { background: var(--slate-700); }
.btn--lg { padding: 17px 32px; font-size: 1.05rem; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(.97); }

/* ---------- 5. Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background var(--t), box-shadow var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.header.is-scrolled {
  background: rgba(10, 15, 23, .82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(7,12,20,.28);
}
/* logo */
.logo { display: inline-flex; align-items: center; gap: 11px; color: #fff; }
.logo__mark { width: 38px; height: 38px; flex: none; }
.logo__text { font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -.03em; line-height: 1; }
.logo__text b { color: var(--cyan); font-weight: 700; }
.logo__sub { display: block; font-family: var(--font-body); font-weight: 500; font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-mute); margin-top: 3px; }
/* nav */
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  color: var(--ink-soft); font-weight: 500; font-size: .95rem; padding: 9px 14px; border-radius: 999px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav a:hover { color: #fff; background: rgba(255,255,255,.06); }
.header__cta { display: flex; align-items: center; gap: 12px; }
/* burger */
.burger { display: none; width: 44px; height: 44px; border-radius: 12px; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: #fff; border-radius: 2px; transition: transform var(--t), opacity var(--t-fast), top var(--t); }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 27px; }
body.menu-open .burger span:nth-child(1) { top: 21px; transform: rotate(45deg); }
body.menu-open .burger span:nth-child(2) { opacity: 0; }
body.menu-open .burger span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; background: var(--slate-900); color: var(--ink);
  padding: 130px 0 86px; overflow: hidden; isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .72; }
.hero__bg::after { /* scrim para leitura do texto (mais leve, imagem mais visível) */
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(125% 95% at 16% 42%, rgba(10,15,23,.90) 0%, rgba(10,15,23,.58) 42%, rgba(10,15,23,.10) 74%, transparent 100%),
    linear-gradient(180deg, rgba(10,15,23,.62) 0%, transparent 34%, rgba(10,15,23,.42) 100%);
}
.hero__glow { position: absolute; z-index: -1; width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; right: -8%; top: 8%; background: radial-gradient(circle, rgba(47,123,255,.30), transparent 62%); filter: blur(8px); pointer-events: none; }
.hero__inner { max-width: 680px; position: relative; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px 7px 11px; border-radius: 999px;
  background: rgba(56,189,248,.10); border: 1px solid rgba(56,189,248,.25); color: var(--cyan);
  font-family: var(--font-display); font-weight: 500; font-size: .82rem; letter-spacing: .01em; margin-bottom: 26px;
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(56,189,248,.18); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.hero h1 {
  font-size: clamp(2.3rem, 1.3rem + 4.4vw, 4.15rem); line-height: 1.04; letter-spacing: -.035em; margin-bottom: 22px;
}
.hero h1 em { font-style: normal; background: var(--grad-spark); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { font-size: clamp(1.05rem, .98rem + .5vw, 1.28rem); color: var(--ink-soft); max-width: 60ch; margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__chips { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 40px; }
.hero__chips li { display: inline-flex; align-items: center; gap: 8px; font-size: .92rem; color: var(--ink-soft); }
.hero__chips svg { width: 18px; height: 18px; color: var(--cyan); flex: none; }

/* ---------- 7. Strip de números/confiança ---------- */
.strip { background: var(--slate-850); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.strip__item { background: var(--slate-850); padding: 30px 24px; text-align: center; }
.strip__num { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 1rem + 2vw, 2.4rem); color: #fff; letter-spacing: -.03em; }
.strip__num span { color: var(--cyan); }
.strip__label { font-size: .9rem; color: var(--ink-mute); margin-top: 4px; }

/* ---------- 8. Quem somos ---------- */
.about__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about__body p { margin-bottom: 18px; color: var(--ink-dark-soft); }
.about__body p:first-of-type { font-size: 1.12rem; color: var(--ink-dark); }
.about__list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px; margin-top: 28px; }
.about__list li { display: flex; gap: 11px; align-items: flex-start; font-size: .97rem; color: var(--ink-dark); }
.about__list svg { width: 21px; height: 21px; color: var(--blue); flex: none; margin-top: 2px; }
.about__visual { position: relative; }
.about__visual img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about__visual::before { content: ""; position: absolute; inset: -16px -16px auto auto; width: 130px; height: 130px; background: var(--grad-brand); border-radius: 50%; filter: blur(46px); opacity: .5; z-index: -1; }
.about__tag {
  position: absolute; left: -16px; bottom: 26px; background: #fff; border-radius: var(--radius); padding: 16px 20px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 14px; max-width: 260px;
}
.about__tag .ico { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-brand); display: grid; place-items: center; flex: none; }
.about__tag .ico svg { width: 24px; height: 24px; color: #fff; }
.about__tag b { display: block; font-family: var(--font-display); font-size: 1.05rem; color: var(--ink-dark); }
.about__tag span { font-size: .82rem; color: var(--ink-dark-soft); }

/* ---------- 9. Segmentos ---------- */
.seg__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.seg-card {
  background: var(--slate-800); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column; transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.seg-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(56,189,248,.3); }
.seg-card__media { position: relative; aspect-ratio: 16 / 11; overflow: hidden; }
.seg-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.seg-card:hover .seg-card__media img { transform: scale(1.05); }
.seg-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(17,26,40,.85) 100%); }
.seg-card__n { position: absolute; top: 14px; left: 14px; z-index: 2; width: 38px; height: 38px; border-radius: 11px; background: rgba(10,15,23,.6); backdrop-filter: blur(6px); border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: var(--cyan); }
.seg-card__body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.seg-card h3 { font-size: 1.3rem; color: #fff; margin-bottom: 10px; }
.seg-card p { color: var(--ink-soft); font-size: .97rem; margin-bottom: 18px; }
.seg-card ul { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.seg-card ul li { font-size: .8rem; padding: 5px 11px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid var(--line); color: var(--ink-soft); }

/* ---------- 10. Diferencial ---------- */
.diff__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.diff__steps { display: grid; gap: 0; position: relative; }
.diff-step { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding-bottom: 30px; position: relative; }
.diff-step:not(:last-child)::before { content: ""; position: absolute; left: 25px; top: 50px; bottom: -2px; width: 2px; background: linear-gradient(var(--blue), rgba(47,123,255,.12)); }
.diff-step__n { width: 52px; height: 52px; border-radius: 14px; background: var(--slate-800); border: 1px solid var(--line); display: grid; place-items: center; z-index: 1; }
.diff-step__n svg { width: 24px; height: 24px; color: var(--cyan); }
.diff-step h4 { font-size: 1.12rem; color: #fff; margin-bottom: 4px; }
.diff-step p { font-size: .94rem; color: var(--ink-soft); }
/* bullets diferenciais */
.diff__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.diff-card { background: var(--slate-800); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: transform var(--t), border-color var(--t); }
.diff-card:hover { transform: translateY(-4px); border-color: rgba(56,189,248,.3); }
.diff-card .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(47,123,255,.12); border: 1px solid rgba(47,123,255,.25); display: grid; place-items: center; margin-bottom: 14px; }
.diff-card .ico svg { width: 23px; height: 23px; color: var(--cyan); }
.diff-card h4 { font-size: 1.04rem; color: #fff; margin-bottom: 6px; }
.diff-card p { font-size: .89rem; color: var(--ink-soft); line-height: 1.5; }

/* ---------- 11. Serviços ---------- */
.serv__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.serv-card {
  background: var(--paper-2); border: 1px solid #e7ecf4; border-radius: var(--radius); padding: 26px 22px;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t); position: relative; overflow: hidden;
}
.serv-card::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--grad-spark); transition: width var(--t); }
.serv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #d3deef; }
.serv-card:hover::before { width: 100%; }
.serv-card .ico { width: 50px; height: 50px; border-radius: 14px; background: linear-gradient(140deg, #eef4ff, #e6f6ff); display: grid; place-items: center; margin-bottom: 16px; transition: transform var(--t); }
.serv-card:hover .ico { transform: scale(1.06) rotate(-3deg); }
.serv-card .ico svg { width: 26px; height: 26px; color: var(--blue); }
.serv-card h3 { font-size: 1.04rem; color: var(--ink-dark); margin-bottom: 6px; line-height: 1.25; }
.serv-card p { font-size: .88rem; color: var(--ink-dark-soft); line-height: 1.5; }

/* ---------- 12. Faixa CTA intermediária ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--slate-900); color: #fff; isolation: isolate; }
.cta-band__bg { position: absolute; inset: 0; z-index: -1; background:
    radial-gradient(80% 130% at 85% 20%, rgba(47,123,255,.34), transparent 60%),
    radial-gradient(70% 120% at 10% 90%, rgba(255,157,46,.18), transparent 60%); }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-block: 64px; flex-wrap: wrap; }
.cta-band__text { max-width: 640px; }
.cta-band h2 { font-size: clamp(1.6rem, 1.1rem + 2.2vw, 2.5rem); letter-spacing: -.03em; margin-bottom: 12px; }
.cta-band p { color: var(--ink-soft); font-size: 1.08rem; }
.cta-band__actions { display: flex; flex-direction: column; gap: 12px; }

/* ---------- 13. Contato ---------- */
.contact__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: stretch; }
.form-wrap { background: var(--paper-2); border: 1px solid #e7ecf4; border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-sm); }
.form-wrap h3 { font-size: 1.45rem; color: var(--ink-dark); margin-bottom: 6px; }
.form-wrap > p { color: var(--ink-dark-soft); font-size: .96rem; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink-dark); font-family: var(--font-display); }
.field label .req { color: var(--blue); }
.field input, .field select, .field textarea {
  padding: 13px 15px; border: 1.5px solid #dde5f0; border-radius: var(--radius-sm); background: #fbfcfe;
  font-size: .96rem; transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(47,123,255,.12); }
.field textarea { resize: vertical; min-height: 110px; }
.form-submit { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form-note { font-size: .82rem; color: var(--ink-dark-soft); }
.form-feedback { padding: 13px 16px; border-radius: var(--radius-sm); font-size: .92rem; margin-bottom: 22px; display: none; }
.form-feedback.show { display: block; }
.form-feedback.ok { background: #e7f8ee; border: 1px solid #b6e6c8; color: #1c7a44; }
.form-feedback.err { background: #fdecec; border: 1px solid #f4c4c4; color: #b23535; }

/* coluna lateral contato */
.contact__side { display: flex; flex-direction: column; gap: 18px; }
.contact-card { background: var(--slate-900); color: #fff; border-radius: var(--radius-lg); padding: 30px; position: relative; overflow: hidden; isolation: isolate; }
.contact-card__bg { position: absolute; inset: 0; z-index: -1; background: radial-gradient(90% 120% at 90% 10%, rgba(47,123,255,.35), transparent 55%); }
.contact-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.contact-card p { color: var(--ink-soft); font-size: .95rem; margin-bottom: 22px; }
.contact-card .btn { width: 100%; }
.contact-list { display: grid; gap: 4px; margin-top: 22px; }
.contact-list a, .contact-list span { display: flex; align-items: center; gap: 13px; padding: 11px 0; color: var(--ink-soft); font-size: .95rem; transition: color var(--t-fast); }
.contact-list a:hover { color: #fff; }
.contact-list .ico { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.06); border: 1px solid var(--line); display: grid; place-items: center; flex: none; }
.contact-list .ico svg { width: 20px; height: 20px; color: var(--cyan); }
.contact-list b { color: #fff; display: block; font-weight: 600; }
.contact-list small { color: var(--ink-mute); display: block; font-size: .78rem; }

/* redes sociais */
.social-row { display: flex; flex-wrap: wrap; gap: 12px; }
.social-btn {
  display: inline-flex; align-items: center; gap: 11px; padding: 12px 18px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--ink); font-weight: 500; font-size: .92rem;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.social-btn:hover { transform: translateY(-2px); background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.2); }
.social-btn:active { transform: scale(.97); }
.social-btn svg { width: 20px; height: 20px; flex: none; }
.social-btn--ig svg { color: #e1306c; }
.social-btn--fb svg { color: #1877f2; }

/* ---------- 14. Rodapé ---------- */
.footer { background: #070b12; color: var(--ink-soft); padding: 64px 0 26px; border-top: 1px solid var(--line); }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--line); }
.footer__brand .logo { margin-bottom: 16px; }
.footer__brand p { font-size: .94rem; max-width: 38ch; color: var(--ink-mute); }
.footer__col h4 { font-family: var(--font-display); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 18px; }
.footer__col ul { display: grid; gap: 11px; }
.footer__col a, .footer__col span { font-size: .94rem; color: var(--ink-soft); transition: color var(--t-fast); }
.footer__col a:hover { color: #fff; }
.footer__contact a { display: flex; align-items: center; gap: 10px; }
.footer__contact svg { width: 17px; height: 17px; color: var(--cyan); flex: none; }
.footer__social { display: flex; gap: 10px; margin-top: 18px; }
.footer__social a { width: 40px; height: 40px; border-radius: 11px; border: 1px solid var(--line); display: grid; place-items: center; transition: transform var(--t-fast), background var(--t-fast); }
.footer__social a:hover { transform: translateY(-2px); background: rgba(255,255,255,.07); }
.footer__social svg { width: 19px; height: 19px; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 24px; flex-wrap: wrap; font-size: .85rem; color: var(--ink-mute); }
.footer__bottom a { color: var(--ink-soft); }

/* ---------- 15. Botão flutuante WhatsApp ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; display: grid; place-items: center; box-shadow: 0 10px 30px rgba(37,211,102,.45);
  transition: transform var(--t), box-shadow var(--t); animation: floaty 3.2s var(--ease) infinite;
}
.wa-float svg { width: 32px; height: 32px; color: #fff; }
.wa-float:hover { transform: scale(1.08); box-shadow: 0 14px 38px rgba(37,211,102,.55); }
.wa-float:active { transform: scale(.95); }
.wa-float::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25d366; animation: ring 2.4s var(--ease) infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.7); opacity: 0; } }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* ---------- 16. Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px) scale(.985); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .07s; }
.reveal[data-d="2"] { transition-delay: .14s; }
.reveal[data-d="3"] { transition-delay: .21s; }

/* ---------- 17. Responsivo ---------- */
@media (max-width: 980px) {
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__visual { order: -1; }
  .diff__grid { grid-template-columns: 1fr; gap: 44px; }
  .contact__grid { grid-template-columns: 1fr; }
  .seg__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  /* menu mobile */
  .nav {
    position: fixed; inset: 84px 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(10,15,23,.97); backdrop-filter: blur(14px); padding: 14px 22px 26px;
    border-bottom: 1px solid var(--line); transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity var(--t), transform var(--t);
  }
  body.menu-open .nav { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 14px 12px; font-size: 1.02rem; border-radius: 12px; }
  .burger { display: block; }
  .header__cta .btn--header { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .strip__grid { grid-template-columns: 1fr 1fr; }
  .seg__grid { grid-template-columns: 1fr; }
  .diff__cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .about__list { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { width: 100%; }
  .hero__actions { width: 100%; }
  .hero__actions .btn { flex: 1 1 auto; }
}
@media (max-width: 420px) {
  body { font-size: 16px; }
  .logo__sub { display: none; }
  .about__tag { left: 12px; right: 12px; max-width: none; }
}

/* ---------- 17b. Logo (imagem) ---------- */
.logo__img { height: 57px; width: auto; display: block; filter: drop-shadow(0 2px 8px rgba(47,123,255,.25)); }
.logo__img--footer { height: 63px; }
@media (max-width: 520px) { .logo__img { height: 46px; } .logo__img--footer { height: 50px; } }
/* desktop (nav completa): logo +50% e header acomodando */
@media (min-width: 861px) {
  .header__inner { height: 104px; }
  .logo__img { height: 85px; }
  .logo__img--footer { height: 94px; }
}

/* ---------- 17c. Mobilidade (destaque) ---------- */
.mobi__grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 50px; align-items: center; }
.mobi__chips { display: flex; flex-wrap: wrap; gap: 9px; margin: 22px 0 28px; }
.mobi__chips li { font-size: .85rem; padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid var(--line); color: var(--ink-soft); }
.mobi__media { position: relative; }
.mobi__media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--line); }
.mobi__media::before { content: ""; position: absolute; inset: auto -24px -24px auto; width: 180px; height: 180px; background: radial-gradient(circle, rgba(56,189,248,.45), transparent 62%); filter: blur(52px); z-index: -1; }
.mobi__media::after { content: ""; position: absolute; inset: -22px auto auto -22px; width: 150px; height: 150px; background: radial-gradient(circle, rgba(39,224,160,.30), transparent 62%); filter: blur(52px); z-index: -1; }
@media (max-width: 980px) { .mobi__grid { grid-template-columns: 1fr; gap: 30px; } .mobi__media { order: -1; } }

/* ---------- 17d. FAQ (acordeão nativo) ---------- */
.faq__list { max-width: 840px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: var(--paper-2); border: 1px solid #e7ecf4; border-radius: var(--radius); transition: border-color var(--t), box-shadow var(--t); }
.faq-item[open] { border-color: #cfdcf0; box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; padding: 19px 22px; font-family: var(--font-display); font-weight: 600; font-size: 1.03rem; line-height: 1.35; color: var(--ink-dark); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ""; width: 22px; height: 22px; flex: none; background: center/contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f7bff' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E"); transition: transform var(--t); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__a { padding: 0 22px 22px; color: var(--ink-dark-soft); font-size: .97rem; line-height: 1.65; }

/* ---------- 18. Acessibilidade: reduzir movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}