/* ================================================
   VARIÁVEIS GLOBAIS
================================================ */
:root {
  /* Cores principais */
  --preto: #0d0b08;
  --preto-footer: #080806;
  --dourado: #c9a84c;
  --verde: #1b3a2d;
  --bege: #f5f0e8;

  /* Dourado com opacidades */
  --dourado-08: rgba(201, 168, 76, 0.08);
  --dourado-22: rgba(201, 168, 76, 0.22);
  --dourado-44: rgba(201, 168, 76, 0.44);
  --dourado-60: rgba(201, 168, 76, 0.6);

  /* Verde com opacidade */
  --verde-22: rgba(27, 58, 45, 0.22);

  /* Tipografia */
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-ui: "Raleway", sans-serif;

  /* Espaçamentos */
  --padding-secao: 80px 120px;
  --gap-grid: 16px;
}

/* ================================================
   RESET E BASE GLOBAL
================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--preto);
  color: white;
  font-family: var(--font-ui);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ================================================
   SCROLL OFFSET — compensa a nav sticky
================================================ */
section,
footer {
  scroll-margin-top: 96px;
}

/* ================================================
   ELEMENTOS REUTILIZÁVEIS
================================================ */
.tag {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--dourado);
  display: block;
  margin-bottom: 16px;
}

.divider {
  width: 40px;
  height: 1px;
  background-color: var(--dourado);
  margin: 24px 0;
}

.romano {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--dourado);
}

/* Botões */
.btn-primario {
  display: inline-block;
  background-color: var(--dourado);
  color: var(--preto);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 2px;
  transition:
    opacity 0.2s,
    transform 0.2s;
}

.btn-primario:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secundario {
  display: inline-block;
  background: none;
  color: white;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}

.btn-secundario:hover {
  opacity: 0.7;
}

/* ================================================
   1. NAV
================================================ */
nav#principal {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #080806;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #ddd;
  display: flex;
  align-items: center;
  padding: 23px 120px 23px 20px;
}

/* Brand esquerdo */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand img {
  width: 50px;
  height: 50px;
  border-radius: 6px;
  object-fit: cover;
  background-color: #f2ead8;
}

.nav-brand div {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.nav-brand span {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 400;
  color: #f2ead8;
  opacity: 0.6;
}

.nav-brand strong {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: #f2ead8;
}

/* Links centro */
.nav-links {
  display: flex;
  gap: 32px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 400;
  color: #f2ead8;
  opacity: 0.7;
  position: relative;
  text-decoration: none;
  transition: opacity 0.2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--dourado);
  transition: width 0.25s ease;
}

.nav-links a:hover {
  opacity: 1;
}

.nav-links a:hover::after {
  width: 100%;
}

/* CTA direito */
.btn-matricula {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #0d0b08;
  background: #c9a84c;
  padding: 10px 24px;
  border-radius: 2px;
  border: none;
  transition: background 0.2s ease;
}

.btn-matricula:hover {
  background: #b8913d;
}

/* ================================================
   2. HERO
================================================ */
section#hero {
  background-color: var(--preto);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr auto;
  min-height: calc(100vh - 96px);
  align-items: center;
}

/* Wrapper interno do conteúdo do hero */
.hero-grid-interno {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 120px 60px;
}

section#hero .hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 80px 40px 60px 70px;
}

section#hero .hero-content .tag {
  margin-bottom: 20px;
}

section#hero .hero-content h1 {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  background: linear-gradient(to bottom, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

section#hero .hero-content h1 em {
  font-style: italic;
  -webkit-text-fill-color: var(--dourado);
  background: none;
}

section#hero .hero-content .subtitulo {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  color: white;
  opacity: 0.9;
  max-width: 360px;
  line-height: 1.7;
}

section#hero .hero-content .citacao {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  font-weight: 400;
  color: white;
  opacity: 0.9;
  margin: 20px 0;
  border: none;
  padding: 0;
}

.hero-botoes {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
}

/* Coluna direita: imagem */
.hero-imagem {
  position: relative;
  display: flex;
  justify-content: center;
  min-width: 0;
  overflow: hidden;
  background-color: var(--preto);
}

.frame-witsius {
  position: relative;
  z-index: 1;
  width: 300px;
  height: 380px;
}

.frame-witsius img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px solid var(--dourado-44);
  background-color: #1a1612;
}

.badge-witsius {
  position: absolute;
  top: -12px;
  right: -12px;
  z-index: 2;
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dourado);
  opacity: 0.7;
  background-color: var(--preto);
  border: 1px solid var(--dourado-44);
  padding: 6px 10px;
}

/* Faixa inferior verde */
.hero-faixa {
  grid-column: 1 / -1;
  grid-row: 2;
  align-self: end;
  background-color: var(--verde);
  padding: 14px 120px;
}

.hero-faixa ul {
  display: flex;
  align-items: center;
}

.hero-faixa li {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bege);
  opacity: 0.85;
  padding: 0 28px;
  position: relative;
}

.hero-faixa li:first-child {
  padding-left: 0;
}

/* Ponto dourado separador */
.hero-faixa li + li::before {
  content: "·";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%);
  color: var(--dourado);
  opacity: 0.8;
}

/* ================================================
   HERO — CARROSSEL DE CURSOS
================================================ */
.hero-carousel {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-width: 0;
  padding: 40px 24px;
}

.carousel-track-wrapper {
  overflow: hidden;
  width: 100%;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

.carousel-card {
  min-width: 100%;
  background: #1a1a17;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #c9a84c22;
}

.carousel-card-pilar {
  background: #c9a84c;
  color: #0d0b08;
  font-size: 12px;
  padding: 4px 10px;
  display: inline-block;
  border-radius: 4px;
  margin: 16px 16px 0;
}

.carousel-card-thumb {
  height: 280px;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff33;
  font-size: 14px;
  overflow: hidden;
}

.carousel-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.carousel-card-thumb img[src*="curso002"] {
  object-position: top;
}

.carousel-card-body {
  padding: 16px;
}

.carousel-card-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 300;
  color: #f5f0e8;
  margin-bottom: 8px;
}

.carousel-card-desc {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}

.carousel-card-badge {
  font-size: 11px;
  color: #c9a84c;
  opacity: 0.7;
  display: block;
  margin-bottom: 12px;
}

.carousel-card-btn {
  display: inline-block;
  background: #f5f0e8;
  color: #0d0b08;
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}

.carousel-btn {
  background: transparent;
  border: 1px solid #c9a84c44;
  color: #c9a84c;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.2s;
}

.carousel-btn:hover {
  border-color: #c9a84c;
}

.carousel-progress {
  height: 2px;
  background: #c9a84c33;
  border-radius: 2px;
  overflow: hidden;
  width: 60%;
  margin: 14px auto 0;
}

.carousel-progress-bar {
  height: 100%;
  width: 0%;
  background: #c9a84c;
  border-radius: 2px;
}

.carousel-progress-bar.animating {
  transition: width 7s linear;
  width: 100%;
}

/* ================================================
   3. CURSOS — PILARES COM FILTRO
================================================ */
section#cursos {
  background-color: var(--preto);
  padding: var(--padding-secao);
}

section#cursos > .tag {
  margin-bottom: 12px;
}

section#cursos h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 32px;
  background: linear-gradient(to bottom, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

section#cursos h2 em {
  font-style: italic;
  -webkit-text-fill-color: var(--dourado);
  background: none;
}

/* Filtros */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.filtro {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 2px;
  cursor: pointer;
  transition:
    background-color 0.2s,
    color 0.2s,
    border-color 0.2s;
  background: none;
  color: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(201, 168, 76, 0.2);
}

.filtro.ativo {
  background-color: var(--dourado);
  color: var(--preto);
  border-color: var(--dourado);
}

.filtro:hover:not(.ativo) {
  color: rgba(255, 255, 255, 0.75);
  border-color: rgba(201, 168, 76, 0.5);
}

/* Grid de cards */
.grid-pilares {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-grid);
}

/* Card */
.card-pilar {
  background-color: var(--preto);
  border: 1px solid rgba(201, 168, 76, 0.13);
  border-radius: 6px;
  overflow: hidden;
  transition:
    border-color 0.3s,
    transform 0.3s;
}

.card-pilar:hover {
  border-color: rgba(201, 168, 76, 0.4);
  transform: translateY(-4px);
}

/* Thumbnail */
.card-thumb {
  position: relative;
  width: 100%;
  height: 220px;
  background-color: #1a1612;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: opacity 0.3s;
}

.card-thumb img[src*="curso002"] {
  object-position: top;
}

.card-pilar:hover .card-thumb img {
  opacity: 0.9;
}

.card-thumb .romano {
  position: absolute;
  bottom: 8px;
  left: 12px;
  font-size: 48px;
  line-height: 1;
  z-index: 1;
  opacity: 0.4;
}

.badge-pilar {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dourado);
  background-color: rgba(13, 11, 8, 0.75);
  border: 1px solid var(--dourado-22);
  padding: 4px 8px;
  z-index: 1;
}

/* Corpo do card */
.card-corpo {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dourado);
}

.card-corpo h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  color: white;
  line-height: 1.3;
}

.card-corpo h3 em {
  font-style: italic;
  color: var(--dourado);
}

.card-corpo p {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: white;
  opacity: 0.9;
  line-height: 1.6;
}

.card-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #0d0b08;
  background: var(--dourado);
  padding: 10px 20px;
  border-radius: 2px;
  margin-top: 12px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.card-link:hover {
  opacity: 0.85;
}

.card-pilar.oculto {
  display: none;
}

/* ================================================
   4. PR. ANTÔNIO SIQUEIRA
================================================ */
section#quem-sou {
  background-color: var(--preto);
  padding: var(--padding-secao);
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

/* Coluna esquerda */
.antonio-imagem {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.frame-antonio {
  position: relative;
  width: 300px;
  height: 380px;
  border: 1px solid var(--dourado-22);
  border-radius: 4px;
  margin-bottom: 8px;
  overflow: hidden;
}

.frame-antonio img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: #1a1612;
}

/* Cantos decorativos */
.frame-canto {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  z-index: 2;
}

.frame-canto--tl {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--dourado);
  border-left: 2px solid var(--dourado);
}

.frame-canto--tr {
  top: -1px;
  right: -1px;
  border-top: 2px solid var(--dourado);
  border-right: 2px solid var(--dourado);
}

.frame-canto--bl {
  bottom: -1px;
  left: -1px;
  border-bottom: 2px solid var(--dourado);
  border-left: 2px solid var(--dourado);
}

.frame-canto--br {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--dourado);
  border-right: 2px solid var(--dourado);
}

.antonio-nome {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  color: white;
  margin-bottom: 0;
}

.antonio-cargo {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dourado);
  opacity: 0.6;
}

.antonio-social {
  display: flex;
  gap: 10px;
  margin-top: 4px;
  flex-wrap: wrap;
  justify-content: center;
}

.antonio-social a {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  color: var(--dourado);
  border: 1px solid var(--dourado-44);
  padding: 7px 14px;
  border-radius: 2px;
  transition: background-color 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.antonio-social a:hover {
  background-color: var(--dourado-08);
}

/* Coluna direita */
.antonio-texto {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.antonio-texto h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 8px;
  background: linear-gradient(to bottom, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.antonio-texto h2 em {
  font-style: italic;
  -webkit-text-fill-color: var(--dourado);
  background: none;
}

.cargo-completo {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: white;
  opacity: 0.65;
}

.antonio-texto p {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  color: white;
  opacity: 0.9;
  line-height: 1.75;
  margin-bottom: 12px;
}

.antonio-citacao {
  border-left: 2px solid var(--dourado);
  background-color: var(--dourado-08);
  padding: 16px 20px;
  margin: 20px 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  font-weight: 400;
  color: white;
  opacity: 0.9;
  line-height: 1.5;
}

.antonio-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.antonio-badges span {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: white;
  opacity: 0.6;
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: 2px;
  padding: 4px 10px;
}

/* ================================================
   5. DIFERENCIAIS
================================================ */
section#diferenciais {
  background-color: var(--preto);
  padding: var(--padding-secao);
}

section#diferenciais .tag {
  color: var(--dourado);
  margin-bottom: 12px;
}

section#diferenciais h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  margin-bottom: 48px;
  line-height: 1.2;
  background: linear-gradient(to bottom, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grid-diferenciais {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.diferencial {
  padding: 0 40px;
  border-right: 1px solid var(--dourado-22);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diferencial:first-child {
  padding-left: 0;
}

.diferencial:last-child {
  border-right: none;
}

.numero-diferencial {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 48px;
  font-weight: 300;
  color: var(--dourado);
  opacity: 0.4;
  line-height: 1;
}

.diferencial h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: white;
  line-height: 1.3;
}

.diferencial p {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  color: white;
  opacity: 0.9;
  line-height: 1.7;
}

/* ================================================
   6. CTA FINAL — MATRICULE-SE
================================================ */
section#matricule-se {
  background-color: var(--preto);
  padding: 100px 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.w-deco {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 280px;
  font-weight: 300;
  color: white;
  opacity: 0.03;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.w-esquerdo {
  left: -60px;
}

.w-direito {
  right: -60px;
}

section#matricule-se .tag {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 16px;
}

section#matricule-se h2 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.4;
  padding-bottom: 8px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  background: linear-gradient(to bottom, #ffffff 0%, #b8b8b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

section#matricule-se h2 em {
  font-style: italic;
  -webkit-text-fill-color: var(--dourado);
  background: none;
}

.cta-subtitulo {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  color: white;
  opacity: 0.9;
  max-width: 420px;
  margin: 0 auto 36px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.cta-botoes {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.cta-botoes .btn-secundario {
  text-decoration: none;
  border: 1px solid rgba(201, 168, 76, 0.2);
  color: var(--dourado);
  opacity: 0.6;
  padding: 14px 28px;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition:
    opacity 0.2s,
    background-color 0.2s;
}

.cta-botoes .btn-secundario:hover {
  opacity: 1;
  background-color: var(--dourado-08);
}

.cta-nota {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  color: white;
  opacity: 0.6;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.cta-valores {
  display: flex;
  justify-content: center;
  gap: 48px;
  border-top: 1px solid rgba(201, 168, 76, 0.13);
  padding-top: 32px;
  position: relative;
  z-index: 1;
}

.valor {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.valor .romano {
  font-size: 20px;
}

.valor span:last-child {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: white;
  opacity: 0.65;
}

/* ================================================
   7. FOOTER
================================================ */
footer {
  background-color: var(--preto-footer);
  border-top: 1px solid rgba(201, 168, 76, 0.13);
  padding: 60px 120px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

/* Coluna brand */
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.icone-logo {
  font-size: 20px;
  color: var(--dourado);
}

.footer-logo div {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.footer-logo strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: white;
}

.footer-logo span {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  color: white;
  opacity: 0.7;
}

.footer-brand > p {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: white;
  opacity: 0.85;
  line-height: 1.7;
  max-width: 240px;
}

/* Colunas nav e contato */
.footer-nav h4,
.footer-contato h4 {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dourado);
  margin-bottom: 20px;
}

.footer-nav ul,
.footer-contato ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a,
.footer-contato a {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  color: white;
  opacity: 0.75;
  transition: opacity 0.2s;
  word-break: break-word;
}

.footer-nav a:hover,
.footer-contato a:hover {
  opacity: 1;
}

/* Linha inferior */
.footer-rodape {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(223, 212, 212, 0.06);
  padding-top: 24px;
}

.footer-rodape > span {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: white;
  opacity: 0.8;
}

.footer-rodape em {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--dourado);
  opacity: 0.6;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1px;
  color: white;
  opacity: 0.7;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 10px;
  border-radius: 2px;
  transition: opacity 0.2s;
}

.footer-social a:hover {
  opacity: 1;
}

/* ================================================
   BOTÃO FLUTUANTE WHATSAPP
================================================ */
@keyframes sonar {
  0% {
    transform: scale();
    opacity: 0.8;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

.btn-whatsapp-fixo {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.btn-whatsapp-fixo::before {
  content: "";
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #16a34a;
  animation: sonar 2.5s ease-out infinite;
  z-index: -1;
}

.btn-whatsapp-fixo::after {
  content: "Fale conosco!";
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background-color: #3a3a3a;
  color: #ffffff;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 400;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}

.btn-whatsapp-fixo:hover {
  transform: scale(1.12);
}

.btn-whatsapp-fixo:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ================================================
   RESPONSIVIDADE — Tablet (até 1024px)
================================================ */
@media (max-width: 1024px) {
  :root {
    --padding-secao: 60px 48px;
  }

  nav#principal {
    padding: 12px 48px;
  }

  .hero-grid-interno {
    padding: 60px 48px 48px;
    gap: 40px;
  }

  .hero-faixa {
    padding: 14px 48px;
  }

  section#hero .hero-content h1 {
    font-size: 42px;
  }

  .grid-pilares {
    grid-template-columns: repeat(2, 1fr);
  }

  section#quem-sou {
    gap: 48px;
  }

  footer {
    padding: 60px 48px 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ================================================
   RESPONSIVIDADE — Mobile (até 768px)
================================================ */
@media (max-width: 768px) {
  :root {
    --padding-secao: 48px 24px;
  }

  /* Nav mobile */
  nav#principal {
    padding: 12px 24px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-links {
    display: none;
  }

  /* Hero mobile */
  .hero-grid-interno {
    grid-template-columns: 1fr;
    padding: 48px 24px 40px;
    gap: 40px;
  }

  section#hero .hero-content h1 {
    font-size: 36px;
  }

  .hero-imagem {
    justify-content: center;
  }

  .frame-witsius {
    width: 240px;
    height: 300px;
  }

  .hero-faixa {
    padding: 14px 24px;
    overflow-x: auto;
  }

  .hero-faixa ul {
    flex-wrap: wrap;
    gap: 8px;
  }

  .hero-faixa li + li::before {
    display: none;
  }

  /* Pilares mobile */
  section#cursos {
    padding: 48px 24px;
  }

  .grid-pilares {
    grid-template-columns: 1fr;
  }

  .filtros {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  /* Pr. Antônio mobile */
  section#quem-sou {
    padding: 48px 24px;
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Diferenciais mobile */
  section#diferenciais {
    padding: 48px 24px;
  }

  .grid-diferenciais {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .diferencial {
    padding: 0;
    border-right: none;
    border-bottom: 1px solid rgba(255, 237, 237, 0.13);
    padding-bottom: 32px;
  }

  .diferencial:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  /* CTA mobile */
  section#matricule-se {
    padding: 64px 24px;
  }

  section#matricule-se h2 {
    font-size: 34px;
  }

  .cta-botoes {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-botoes .btn-primario,
  .cta-botoes .btn-secundario {
    text-align: center;
  }

  .cta-valores {
    gap: 24px;
    flex-wrap: wrap;
  }

  .w-deco {
    font-size: 160px;
    opacity: 0.02;
  }

  /* Footer mobile */
  footer {
    padding: 48px 24px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-rodape {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}