/* ============================================================
   FUTURA Qualificação Profissional — style.css
   Versão: 1.0 | Dark Premium + Gold
   ============================================================ */

/* --- 1. VARIÁVEIS & RESET -------------------------------- */
:root {
  --bg-primary:        #0a0e17;
  --bg-secondary:      #111827;
  --bg-card:           #141c2e;
  --accent-gold:       #B89D6B;
  --accent-gold-hover: #A38A57;
  --text-primary:      #F9FAFB;
  --text-secondary:    #9CA3AF;
  --border-gold:       rgba(184, 157, 107, 0.3);
  --border-subtle:     rgba(255, 255, 255, 0.06);
  --font-serif:        'Playfair Display', Georgia, serif;
  --font-sans:         'Inter', system-ui, -apple-system, sans-serif;
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;
  --container: 1200px;
  --radius:    3px;
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { font-family: var(--font-sans); }

/* --- 2. TIPOGRAFIA --------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p { color: var(--text-secondary); font-size: 1rem; line-height: 1.8; }

.eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

/* --- 3. UTILITÁRIOS -------------------------------------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section { padding: var(--space-xl) 0; }
.section--alt { background-color: var(--bg-secondary); }
.text-center { text-align: center; }

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto var(--space-lg);
}
.section-header p { margin-top: 1rem; font-size: 1.05rem; }

.divider {
  width: 48px;
  height: 1px;
  background: var(--accent-gold);
  margin: 1.5rem auto;
  opacity: 0.55;
}

.divider--left { margin: 1.5rem 0; }

/* --- 4. BOTÕES ------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
}
.btn-primary:hover {
  background: var(--accent-gold-hover);
  border-color: var(--accent-gold-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-gold);
  border-color: var(--border-gold);
}
.btn-outline:hover {
  border-color: var(--accent-gold);
  background: rgba(184, 157, 107, 0.07);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}
.btn-ghost:hover {
  color: var(--accent-gold);
  border-color: var(--border-gold);
}

.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.75rem; }

/* --- 5. NAVEGAÇÃO ---------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 14, 23, 0.96);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border-gold);
}

.nav__logo { display: flex; flex-direction: column; }
.nav__logo-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  line-height: 1;
}
.nav__logo-sub {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-top: 3px;
}

.nav__center {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__center a {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 3px;
}
.nav__center a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--accent-gold);
  transition: width var(--transition);
}
.nav__center a:hover,
.nav__center a.active {
  color: var(--text-primary);
}
.nav__center a:hover::after,
.nav__center a.active::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Menu mobile overlay */
.nav__mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.nav__mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.nav__mobile-menu a {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--text-secondary);
  font-style: italic;
}
.nav__mobile-menu a:hover { color: var(--accent-gold); }
.nav__mobile-menu .btn { font-size: 0.85rem; }

/* --- 6. HERO --------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 75% 55%, rgba(184, 157, 107, 0.06) 0%, transparent 55%),
    linear-gradient(160deg, #0a0e17 0%, #0d1220 50%, #0a0e17 100%);
}
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184, 157, 107, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 157, 107, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
}
/* Decorative corner line */
.hero__bg::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 8%;
  width: 300px;
  height: 300px;
  border: 1px solid var(--border-gold);
  transform: rotate(45deg);
  opacity: 0.2;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 1.2rem;
  border: 1px solid var(--border-gold);
  border-radius: 100px;
  margin-bottom: 2rem;
}
.hero__tag-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent-gold);
}
.hero__tag-text {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.hero h1 { margin-bottom: 1.5rem; }
.hero h1 em { font-style: normal; color: var(--accent-gold); }

.hero__subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.85;
}

.hero__cta-group { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

.hero__stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}
.hero__stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.hero__stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 5px;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.35;
}
.hero__scroll-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, var(--accent-gold), transparent);
  animation: scrollAnim 2.2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(0.7); opacity: 0.9; }
}
.hero__scroll-text {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* --- 7. DIFERENCIAIS ------------------------------------- */
.diferenciais { padding: var(--space-xl) 0; }

.diferenciais__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border-gold);
}
.diferencial-item {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--border-gold);
  transition: background var(--transition);
}
.diferencial-item:last-child { border-right: none; }
.diferencial-item:hover { background: var(--bg-card); }

.diferencial-item__icon {
  width: 36px;
  height: 36px;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
}
.diferencial-item__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.diferencial-item__text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- 8. CARDS DE CURSO ----------------------------------- */
.curso-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.curso-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.curso-card:hover { border-color: var(--border-gold); transform: translateY(-4px); }
.curso-card:hover::before { transform: scaleX(1); }

.curso-card__icon { width: 40px; height: 40px; color: var(--accent-gold); opacity: 0.85; }
.curso-card__nome {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}
.curso-card__desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.curso-card__duracao {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-gold);
  opacity: 0.75;
}
.curso-card .btn { margin-top: 0.25rem; align-self: flex-start; }

.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(275px, 1fr));
  gap: 1.5rem;
}

/* --- 9. NÚMEROS / ESTATÍSTICAS --------------------------- */
.numeros {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.numeros__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.numero-item {
  padding: 2rem 1.5rem;
  position: relative;
}
.numero-item + .numero-item::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  height: 48px; width: 1px;
  background: var(--border-gold);
}
.numero-item__val {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.numero-item__val span { color: var(--accent-gold); }
.numero-item__label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 0.6rem;
}

/* --- 10. CTA SECTION ------------------------------------- */
.cta-section {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #0d1321 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -40%; right: -15%;
  width: 500px; height: 500px;
  border-radius: 50%;
  border: 1px solid var(--border-gold);
  opacity: 0.12;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50%; left: -10%;
  width: 350px; height: 350px;
  border-radius: 50%;
  border: 1px solid var(--border-gold);
  opacity: 0.08;
}
.cta-section__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 580px;
  margin: 0 auto;
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { margin-bottom: 2.5rem; font-size: 1.05rem; }
.cta-section__buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* --- 11. PAGE HERO (páginas internas) -------------------- */
.page-hero {
  padding: 150px 0 80px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184, 157, 107, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 157, 107, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
}
.page-hero__content { position: relative; z-index: 1; max-width: 600px; }
.page-hero h1 { margin-bottom: 1rem; }
.page-hero > .container > .page-hero__content > p { font-size: 1.1rem; }

/* --- 12. SOBRE ------------------------------------------- */
.historia__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}
.historia__text h2 { margin-bottom: 1.5rem; }
.historia__text p + p { margin-top: 1rem; }

.historia__visual {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}
.historia__visual::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px dashed var(--border-gold);
  opacity: 0.4;
}

.mvv__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.mvv-card {
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}
.mvv-card__label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.75rem;
}
.mvv-card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }
.mvv-card p { font-size: 0.875rem; }

.infra__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-gold);
  border: 1px solid var(--border-gold);
  margin-top: var(--space-md);
}
.infra-item {
  background: var(--bg-primary);
  padding: 1.75rem 1.5rem;
}
.infra-item:hover { background: var(--bg-card); }
.infra-item__icon { width: 28px; height: 28px; color: var(--accent-gold); margin-bottom: 0.75rem; }
.infra-item__title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.infra-item__text { font-size: 0.82rem; color: var(--text-secondary); }

.dados-empresa {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  padding: 2.5rem;
  margin-top: var(--space-lg);
}
.dados-empresa h3 { margin-bottom: 1.5rem; font-size: 1.1rem; }
.dados-empresa__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 2rem;
}
.dado-item__label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  opacity: 0.8;
  margin-bottom: 0.25rem;
}
.dado-item__value { font-size: 0.9rem; color: var(--text-primary); }

/* --- 13. FORMULÁRIO / CONTATO --------------------------- */
.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.form-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem;
}
.form-box__title { font-size: 1.7rem; margin-bottom: 0.5rem; }
.form-box__subtitle { font-size: 0.9rem; margin-bottom: 2rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-secondary); opacity: 0.45; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
  background: rgba(184, 157, 107, 0.04);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error { border-color: #ef4444; }
.form-group .error-msg {
  display: none;
  font-size: 0.74rem;
  color: #ef4444;
  margin-top: 0.35rem;
}
.form-group.has-error .error-msg { display: block; }

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23B89D6B' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-group select option { background: var(--bg-secondary); }
.form-group textarea { min-height: 120px; resize: vertical; }

.btn-submit { width: 100%; margin-top: 0.5rem; justify-content: center; }

/* Mensagem de sucesso */
.form-success {
  display: none;
  text-align: center;
  padding: 2.5rem 1rem;
}
.form-success.visible { display: block; }
.form-success__icon {
  width: 56px; height: 56px;
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--accent-gold);
}
.form-success h3 { margin-bottom: 0.75rem; font-size: 1.3rem; }
.form-success p { font-size: 0.9rem; }

/* Sidebar de contato */
.contato-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contato-info__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition);
}
.contato-info__item:hover { border-color: var(--border-gold); }
.contato-info__icon {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  border: 1px solid var(--border-gold);
}
.contato-info__label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
  opacity: 0.8;
  margin-bottom: 0.25rem;
}
.contato-info__value { font-size: 0.9rem; color: var(--text-primary); line-height: 1.6; }

.whatsapp-cta-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(37, 211, 102, 0.05);
  border: 1px solid rgba(37, 211, 102, 0.2);
  transition: border-color var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.whatsapp-cta-box:hover { border-color: rgba(37, 211, 102, 0.5); }
.whatsapp-cta-box__icon {
  width: 42px; height: 42px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}
.whatsapp-cta-box__label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #25D366;
  margin-bottom: 0.2rem;
  opacity: 0.85;
}
.whatsapp-cta-box__text { font-size: 0.9rem; color: var(--text-primary); font-weight: 500; }

.mapa-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 1.5rem;
}

/* --- 14. RODAPÉ ------------------------------------------ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-gold);
  padding: var(--space-lg) 0 var(--space-md);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}
.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.footer__brand-sub {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-top: 3px;
  display: block;
}
.footer__brand-desc { font-size: 0.85rem; margin-top: 1rem; line-height: 1.7; }
.footer__col-title {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
}
.footer__links { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__links a { font-size: 0.875rem; color: var(--text-secondary); }
.footer__links a:hover { color: var(--accent-gold); }
.footer__address { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.85; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer__bottom-left { font-size: 0.8rem; color: var(--text-secondary); }
.footer__bottom-right { font-size: 0.75rem; color: var(--text-secondary); opacity: 0.5; }

/* --- 15. WHATSAPP FLUTUANTE ------------------------------ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  width: 52px;
  height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25);
  transition: transform var(--transition);
  animation: waPulse 3.5s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.08); animation: none; }
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25); }
  50% { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.45); }
}

/* --- 16. FADE-IN ANIMATION ------------------------------- */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- 17. RESPONSIVO -------------------------------------- */
@media (max-width: 1024px) {
  .diferenciais__grid { grid-template-columns: repeat(2, 1fr); }
  .diferenciais__grid .diferencial-item:nth-child(2) { border-right: none; }
  .diferenciais__grid .diferencial-item:nth-child(3),
  .diferenciais__grid .diferencial-item:nth-child(4) { border-top: 1px solid var(--border-gold); }
  .numeros__grid { grid-template-columns: repeat(2, 1fr); }
  .numero-item:nth-child(3)::before { display: none; }
  .historia__grid { grid-template-columns: 1fr; }
  .mvv__grid { grid-template-columns: 1fr 1fr; }
  .infra__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  :root { --space-xl: 4rem; --space-lg: 2.5rem; }
  .nav__center, .nav .btn { display: none; }
  .nav__hamburger { display: flex; }
  .hero__stats { gap: 1.5rem; flex-wrap: wrap; }
  .mvv__grid { grid-template-columns: 1fr; }
  .dados-empresa__grid { grid-template-columns: 1fr; }
  .contato-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .cursos-grid { grid-template-columns: 1fr; }
  .infra__grid { grid-template-columns: 1fr; }
  .cta-section__buttons { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .hero__cta-group { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
  .hero__cta-group .btn { width: auto; }
  .diferenciais__grid { grid-template-columns: 1fr; }
  .diferencial-item { border-right: none !important; border-top: 1px solid var(--border-gold); }
  .diferencial-item:first-child { border-top: none; }
  .numeros__grid { grid-template-columns: 1fr 1fr; }
  .numero-item + .numero-item::before { display: none; }
  .form-box { padding: 1.5rem; }
}