/* ==========================================================================
   A72 — Inteligência Artificial aplicada ao seu negócio
   Folha de estilo principal
   ========================================================================== */

/* ----------  Variáveis / Paleta extraída do logo  ---------- */
:root {
  --red:        #E1252B;
  --red-dark:   #7D1416;
  --red-light:  #F04B50;
  --charcoal:   #3F3F42;
  --charcoal-2: #2A2A2C;
  --ink:        #1B1B1D;
  --bg:         #F5F3F1;
  --bg-alt:     #FFFFFF;
  --muted:      #6B6B70;
  --line:       #E4E0DC;

  --grad-red:   linear-gradient(135deg, #F04B50 0%, #E1252B 45%, #7D1416 100%);
  --grad-dark:  linear-gradient(160deg, #2A2A2C 0%, #1B1B1D 100%);

  --radius:     16px;
  --radius-sm:  10px;
  --shadow:     0 10px 40px rgba(27, 27, 29, .08);
  --shadow-lg:  0 24px 70px rgba(27, 27, 29, .16);

  --container:  1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ----------  Reset base  ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
h3 { font-size: 1.32rem; }

p { color: #35353a; }

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

section { position: relative; }

/* ----------  Utilitários  ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--red);
  border-radius: 2px;
}

.text-grad {
  background: var(--grad-red);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead { font-size: 1.18rem; color: #45454b; max-width: 60ch; }

.section-pad { padding: clamp(72px, 9vw, 128px) 0; }

.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* ----------  Botões  ---------- */
.btn {
  --pad-y: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--pad-y) 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .98rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--grad-red);
  color: #fff;
  box-shadow: 0 10px 24px rgba(225, 37, 43, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(225, 37, 43, .38); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--charcoal); transform: translateY(-2px); }

.btn-dark {
  background: var(--ink);
  color: #fff;
}
.btn-dark:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-arrow svg { transition: transform .25s var(--ease); }
.btn-arrow:hover svg { transform: translateX(4px); }

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 243, 241, .82);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(245, 243, 241, .95);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 38px; width: auto; }
.brand .brand-fallback {
  font-weight: 900; font-size: 1.5rem; letter-spacing: -.03em;
}
.brand .brand-fallback .a { color: var(--red); }
.brand .brand-fallback .n { color: var(--charcoal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .97rem;
  color: #3a3a40;
  transition: background .2s, color .2s;
}
.nav-links a:hover { background: rgba(0,0,0,.05); color: var(--ink); }
.nav-links a.active { color: var(--red); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding: clamp(64px, 9vw, 120px) 0 clamp(72px, 10vw, 130px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 55vw; height: 55vw;
  max-width: 760px; max-height: 760px;
  background: radial-gradient(circle at center, rgba(225,37,43,.14), transparent 62%);
  filter: blur(10px);
  z-index: 0;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lead { margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero-badges {
  display: flex; flex-wrap: wrap; gap: 22px;
}
.hero-badge {
  display: flex; align-items: center; gap: 10px;
  font-size: .92rem; font-weight: 600; color: #45454b;
}
.hero-badge svg { color: var(--red); flex: none; }

/* Painel visual do hero */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1.04;
  border-radius: 26px;
  background: var(--grad-dark);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 12%, rgba(225,37,43,.35), transparent 45%);
}
.hv-top { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: flex-start; }
.hv-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: #fff; font-size: .8rem; font-weight: 600;
  padding: 8px 14px; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.hv-dot { width: 8px; height: 8px; border-radius: 50%; background: #46d17f; box-shadow: 0 0 0 4px rgba(70,209,127,.2); }

.hv-flow { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 12px; }
.hv-node {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px;
  padding: 14px 16px;
  color: #fff;
  animation: floatIn .6s var(--ease) both;
}
.hv-node:nth-child(2) { animation-delay: .12s; margin-left: 26px; }
.hv-node:nth-child(3) { animation-delay: .24s; margin-left: 52px; }
.hv-node .ico {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  display: grid; place-items: center;
  background: var(--grad-red); color: #fff;
}
.hv-node b { font-size: .95rem; font-weight: 700; display: block; }
.hv-node small { font-size: .78rem; color: rgba(255,255,255,.6); }

.hv-foot { position: relative; z-index: 2; color: rgba(255,255,255,.55); font-size: .8rem; }
.hv-foot strong { color: #fff; }

@keyframes floatIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   FAIXA DE DESTAQUE / MÉTRICAS
   ========================================================================== */
.strip {
  background: var(--ink);
  color: #fff;
}
.strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-block: 44px;
}
.stat { text-align: center; }
.stat b { display: block; font-size: 2.2rem; font-weight: 800; letter-spacing: -.03em; }
.stat b span { color: var(--red-light); }
.stat small { color: rgba(255,255,255,.62); font-size: .9rem; }

/* ==========================================================================
   CARDS DE SERVIÇOS
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 54px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 54px;
}
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 54px;
}
.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-top: 54px;
}
@media (max-width: 760px) { .two-col { grid-template-columns: 1fr; } }

/* Bloco de texto centrado (seções de texto corrido) */
.prose-block { max-width: 820px; margin: 0 auto; }
.prose-block.center { text-align: center; }
.prose-block .lead { margin-inline: auto; }

/* Bloco de destaque suave (ex.: retorno econômico) */
.highlight-block {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(225, 37, 43, .05);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(30px, 5vw, 52px);
}
.card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: var(--grad-red);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }

.card .card-ico {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(225,37,43,.08);
  color: var(--red);
  margin-bottom: 22px;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: .98rem; color: #4a4a50; }
.card .card-link {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 20px; font-weight: 700; font-size: .92rem; color: var(--red);
}
.card .card-link svg { transition: transform .25s var(--ease); }
.card:hover .card-link svg { transform: translateX(4px); }

.card-num {
  position: absolute; right: 22px; top: 18px;
  font-size: 3.4rem; font-weight: 800; color: rgba(27,27,29,.05);
  letter-spacing: -.04em;
}

/* ==========================================================================
   SEÇÃO ESCURA / DIFERENCIAL
   ========================================================================== */
.dark-section {
  background: var(--grad-dark);
  color: #fff;
  overflow: hidden;
}
.dark-section::before {
  content: "";
  position: absolute; bottom: -30%; left: -10%;
  width: 50vw; height: 50vw; max-width: 600px; max-height: 600px;
  background: radial-gradient(circle, rgba(225,37,43,.22), transparent 60%);
}
.dark-section .container { position: relative; z-index: 1; }
.dark-section h2 { color: #fff; }
.dark-section .lead { color: rgba(255,255,255,.7); }
.dark-section .eyebrow { color: var(--red-light); }
.dark-section .eyebrow::before { background: var(--red-light); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feat-list { list-style: none; display: flex; flex-direction: column; gap: 20px; margin-top: 34px; }
.feat-list li { display: flex; gap: 16px; align-items: flex-start; }
.feat-list .fi {
  width: 42px; height: 42px; border-radius: 11px; flex: none;
  display: grid; place-items: center;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
  color: var(--red-light);
}
.feat-list b { display: block; font-size: 1.05rem; color: #fff; margin-bottom: 2px; }
.feat-list p { color: rgba(255,255,255,.66); font-size: .96rem; }

/* Card "on-premise" ilustrativo */
.privacy-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 22px;
  padding: 34px;
  backdrop-filter: blur(4px);
}
.privacy-card .pc-head { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.privacy-card .pc-shield {
  width: 54px; height: 54px; border-radius: 14px; flex: none;
  display: grid; place-items: center;
  background: var(--grad-red); color: #fff;
}
.privacy-card .pc-head b { font-size: 1.1rem; }
.privacy-card .pc-head small { color: rgba(255,255,255,.55); }
.pc-bars { display: flex; flex-direction: column; gap: 14px; }
.pc-bar { display: flex; align-items: center; gap: 14px; }
.pc-bar span { font-size: .9rem; color: rgba(255,255,255,.8); width: 130px; flex: none; }
.pc-track { flex: 1; height: 8px; border-radius: 999px; background: rgba(255,255,255,.09); overflow: hidden; }
.pc-fill { height: 100%; border-radius: 999px; background: var(--grad-red); }

/* ==========================================================================
   PROCESSO / TIMELINE
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 54px; counter-reset: step; }
.step {
  position: relative;
  padding: 34px 28px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.step .step-n {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--grad-red); color: #fff;
  font-weight: 800; font-size: 1.15rem;
  margin-bottom: 20px;
}
.step h3 { margin-bottom: 8px; }
.step p { font-size: .96rem; color: #4a4a50; }

/* ==========================================================================
   CTA FINAL
   ========================================================================== */
.cta {
  background: var(--grad-red);
  color: #fff;
  border-radius: 28px;
  padding: clamp(44px, 6vw, 72px);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(255,255,255,.22), transparent 42%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; margin-bottom: 16px; }
.cta p { color: rgba(255,255,255,.9); max-width: 54ch; margin: 0 auto 32px; font-size: 1.12rem; }
.cta .btn-primary { background: #fff; color: var(--red-dark); box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.cta .btn-primary:hover { box-shadow: 0 18px 42px rgba(0,0,0,.26); }
.cta .btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.cta .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* ==========================================================================
   PÁGINA — CABEÇALHO DE PÁGINA
   ========================================================================== */
.page-hero {
  padding: clamp(56px, 7vw, 96px) 0 clamp(40px, 5vw, 64px);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; top: -30%; right: -6%;
  width: 40vw; height: 40vw; max-width: 520px; max-height: 520px;
  background: radial-gradient(circle, rgba(225,37,43,.12), transparent 62%);
}
.page-hero .container { position: relative; z-index: 1; max-width: 820px; }
.page-hero h1 { margin-bottom: 20px; }
.breadcrumb { font-size: .88rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--red); }

/* ==========================================================================
   SERVIÇO — BLOCO DETALHADO
   ========================================================================== */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: clamp(48px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--line);
}
.service-block:nth-child(even) .sb-media { order: -1; }
.sb-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(225,37,43,.08); color: var(--red);
  font-weight: 700; font-size: .82rem; letter-spacing: .06em;
  padding: 7px 14px; border-radius: 999px; margin-bottom: 18px;
}
.service-block h2 { margin-bottom: 14px; }
.sb-check { list-style: none; margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.sb-check li { display: flex; gap: 12px; align-items: flex-start; font-size: .98rem; }
.sb-check svg { color: var(--red); flex: none; margin-top: 3px; }
.sb-media {
  aspect-ratio: 4 / 3.4;
  border-radius: 22px;
  background: var(--grad-dark);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
  color: #fff;
  padding: 30px;
}
.sb-media::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 20%, rgba(225,37,43,.32), transparent 50%);
}
.sb-media .sb-ico { position: relative; z-index: 1; opacity: .95; }

/* ==========================================================================
   SOBRE — VALORES
   ========================================================================== */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 50px; }
.value {
  background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px 26px;
}
.value .v-ico {
  width: 50px; height: 50px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: rgba(225,37,43,.08); color: var(--red);
}
.value h3 { font-size: 1.15rem; margin-bottom: 8px; }
.value p { font-size: .95rem; color: #4a4a50; }

/* ==========================================================================
   CONTATO
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 50px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.ci-item { display: flex; gap: 16px; align-items: flex-start; }
.ci-item .ci-ico {
  width: 48px; height: 48px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: rgba(225,37,43,.08); color: var(--red);
}
.ci-item b { display: block; margin-bottom: 2px; }
.ci-item a, .ci-item span { color: #4a4a50; }
.ci-item a:hover { color: var(--red); }

.form-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 4px rgba(225,37,43,.12);
  background: #fff;
}
.field textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: .84rem; color: var(--muted); margin-top: 6px; }
.form-msg { padding: 14px 16px; border-radius: var(--radius-sm); font-size: .95rem; margin-bottom: 20px; display: none; }
.form-msg.ok { display: block; background: rgba(70,209,127,.12); color: #1c7d47; border: 1px solid rgba(70,209,127,.3); }
.form-msg.err { display: block; background: rgba(225,37,43,.1); color: var(--red-dark); border: 1px solid rgba(225,37,43,.3); }

/* ==========================================================================
   FAQ (acordeão simples)
   ========================================================================== */
.faq { max-width: 820px; margin: 50px auto 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 24px 0; font-size: 1.1rem; font-weight: 700; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  font-family: inherit;
}
.faq-q .faq-plus { flex: none; transition: transform .3s var(--ease); color: var(--red); }
.faq-item.open .faq-plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-a p { padding-bottom: 24px; color: #4a4a50; }

/* ==========================================================================
   PÁGINAS LEGAIS (prose)
   ========================================================================== */
.legal { max-width: 800px; margin: 0 auto; }
.legal .updated { color: var(--muted); font-size: .9rem; margin-bottom: 26px; }
.legal h2 { font-size: 1.35rem; margin: 40px 0 12px; }
.legal h3 { font-size: 1.08rem; margin: 24px 0 8px; }
.legal p { color: #45454b; margin-bottom: 14px; }
.legal ul { margin: 0 0 16px 22px; }
.legal li { color: #45454b; margin-bottom: 8px; }
.legal a { color: var(--red); text-decoration: underline; }
.legal .note {
  background: rgba(225,37,43,.06); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 16px 18px; font-size: .95rem; margin: 8px 0 20px;
}

/* Links legais no rodapé */
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: rgba(255,255,255,.5); font-size: .86rem; }
.footer-legal a:hover { color: var(--red-light); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand img { height: 40px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand .brand-fallback { font-size: 1.6rem; font-weight: 900; margin-bottom: 16px; display: block; }
.footer-brand .brand-fallback .a { color: var(--red-light); }
.footer-brand .brand-fallback .n { color: #fff; }
.footer-brand p { color: rgba(255,255,255,.6); font-size: .95rem; max-width: 34ch; }
.footer-col h4 { color: #fff; font-size: .95rem; margin-bottom: 18px; letter-spacing: .02em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-col a { color: rgba(255,255,255,.65); font-size: .95rem; transition: color .2s; }
.footer-col a:hover { color: var(--red-light); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px;
  padding-top: 26px; font-size: .86rem; color: rgba(255,255,255,.5);
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.07); color: #fff;
  transition: background .2s, transform .2s;
}
.footer-social a:hover { background: var(--red); transform: translateY(-2px); }

/* ==========================================================================
   ANIMAÇÃO ON-SCROLL
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 460px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .service-block { grid-template-columns: 1fr; gap: 32px; }
  .service-block:nth-child(even) .sb-media { order: 0; }
  .strip .container { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav-links {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg-alt);
    padding: 16px 20px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    z-index: 90;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 16px; border-radius: var(--radius-sm); }
  .nav-toggle { display: flex; }
  .nav-cta .btn:not(.nav-toggle) { display: none; }

  .grid-3, .steps, .value-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .strip .container { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta { border-radius: 20px; }
}