/* ==========================================
   ALTA IMPACTO MARKETING DIGITAL
   Premium Stylesheet — Mobile First
   ========================================== */

/* ---- CSS VARIABLES ---- */
:root {
  --bordo: #4A0710;
  --vinho: #2A0509;
  --vinho-elegante: #5A0A14;
  --dourado: #D6A84F;
  --dourado-claro: #F4D98B;
  --dourado-envelhecido: #B88935;
  --offwhite: #F8F3EA;
  --grafite: #1E1E1E;
  --preto: #0E0B0C;
  --text-light: rgba(248,243,234,0.85);
  --text-muted: rgba(248,243,234,0.55);
  --border-gold: rgba(214,168,79,0.3);
  --border-gold-strong: rgba(214,168,79,0.6);
  --shadow-gold: 0 4px 30px rgba(214,168,79,0.12);
  --shadow-dark: 0 8px 40px rgba(0,0,0,0.4);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--preto);
  color: var(--offwhite);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---- CONTAINER ---- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---- TYPOGRAPHY ---- */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dourado);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--dourado);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--offwhite);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid var(--dourado);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(214,168,79,0.35);
  background: linear-gradient(135deg, var(--dourado-claro) 0%, var(--dourado) 100%);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--dourado);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-gold-strong);
  transition: var(--transition);
}
.btn-secondary:hover {
  background: rgba(214,168,79,0.1);
  border-color: var(--dourado);
  transform: translateY(-2px);
}

/* ---- DIVIDER LINE ---- */
.gold-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--dourado), transparent);
  margin: 1.5rem auto;
}

/* ==========================================
   HEADER
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(14,11,12,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-gold);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-mark { display: flex; align-items: center; justify-content: center; }
.logo-mark-sm { opacity: 0.9; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo-alta {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--dourado);
}
.logo-impacto {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--text-light);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--dourado);
  transition: var(--transition);
}
.nav-link:hover { color: var(--dourado); }
.nav-link:hover::after { width: 100%; }

.btn-header {
  display: inline-block;
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-header:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(214,168,79,0.3);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  background: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--dourado);
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1rem 1.25rem 1.5rem;
  border-top: 1px solid var(--border-gold);
  background: rgba(10,5,8,0.98);
  gap: 0.25rem;
}
.mobile-menu.open { display: flex; }

.mobile-nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(214,168,79,0.08);
  transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--dourado); padding-left: 0.5rem; }

.btn-mobile-menu {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem;
  border-radius: var(--radius);
  margin-top: 1rem;
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 5rem;
  background: radial-gradient(ellipse at 30% 20%, var(--bordo) 0%, var(--vinho) 45%, var(--preto) 100%);
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 60px,
      rgba(214,168,79,0.03) 60px,
      rgba(214,168,79,0.03) 61px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 60px,
      rgba(214,168,79,0.03) 60px,
      rgba(214,168,79,0.03) 61px
    );
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -10%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74,7,16,0.6) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dourado);
  border: 1px solid var(--border-gold-strong);
  padding: 0.4rem 1rem;
  border-radius: 40px;
  margin-bottom: 1.5rem;
  background: rgba(214,168,79,0.06);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 5.5vw, 3.5rem);
  font-weight: 600;
  color: var(--offwhite);
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: clamp(0.88rem, 2vw, 1rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 1rem;
  line-height: 1.75;
}

.hero-support {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--dourado);
  margin-bottom: 2.25rem;
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--dourado), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* ==========================================
   AUTHORITY STRIP
   ========================================== */
.authority-strip {
  background: linear-gradient(135deg, var(--bordo) 0%, var(--vinho-elegante) 100%);
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
  padding: 2.5rem 0;
}

.authority-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.authority-divider { display: none; }

.authority-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.authority-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dourado);
  line-height: 1;
}

.authority-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.authority-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-gold);
}

/* ==========================================
   SOBRE
   ========================================== */
.sobre {
  padding: 5rem 0;
  background: var(--preto);
}

.sobre-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2rem;
}

.sobre-paragraph {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.sobre-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.sobre-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: rgba(74,7,16,0.15);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}
.sobre-card:hover {
  background: rgba(74,7,16,0.3);
  border-color: var(--dourado);
  transform: translateY(-2px);
}
.sobre-card-icon {
  color: var(--dourado);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ==========================================
   DIAGNÓSTICO
   ========================================== */
.diagnostico {
  padding: 5rem 0;
  background: linear-gradient(180deg, var(--preto) 0%, rgba(42,5,9,0.4) 100%);
}

.quiz-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.quiz-card {
  background: rgba(14,11,12,0.8);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.quiz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--dourado), transparent);
  transform: scaleX(0);
  transition: var(--transition);
}
.quiz-card:hover::before, .quiz-card.active::before { transform: scaleX(1); }
.quiz-card:hover, .quiz-card.active {
  border-color: var(--dourado);
  background: rgba(74,7,16,0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.quiz-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--bordo);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.quiz-card:hover .quiz-num, .quiz-card.active .quiz-num {
  color: var(--dourado);
  opacity: 0.8;
}

.quiz-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

.quiz-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}
.quiz-answer.open {
  max-height: 120px;
  opacity: 1;
  margin-top: 0.75rem;
}

.quiz-answer-inner {
  padding: 0.75rem 1rem;
  background: rgba(214,168,79,0.08);
  border-left: 2px solid var(--dourado);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.quiz-answer-inner strong { color: var(--dourado); }

.diagnostico-cta { text-align: center; }

/* ==========================================
   PLANOS
   ========================================== */
.planos {
  padding: 5rem 0;
  background: var(--preto);
}

/* Period Selector */
.period-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none;
}
.period-selector::-webkit-scrollbar { display: none; }

.period-btn {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border-gold);
  border-radius: 40px;
  color: var(--text-muted);
  transition: var(--transition);
  background: transparent;
}
.period-btn.active {
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  border-color: var(--dourado);
  font-weight: 700;
}
.period-btn:hover:not(.active) {
  border-color: var(--dourado);
  color: var(--dourado);
}

.planos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.plano-card {
  background: linear-gradient(145deg, rgba(20,10,12,0.95) 0%, rgba(14,11,12,0.9) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.plano-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--dourado), transparent);
}
.plano-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold), var(--shadow-dark);
  border-color: var(--border-gold-strong);
}

.plano-destaque {
  background: linear-gradient(145deg, rgba(74,7,16,0.5) 0%, rgba(42,5,9,0.9) 100%);
  border-color: var(--dourado);
}

.plano-completo {
  background: linear-gradient(145deg, rgba(30,8,12,0.98) 0%, rgba(14,11,12,0.95) 100%);
  border-color: var(--border-gold-strong);
}

.plano-selo {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 40px;
}
.plano-selo-completo {
  background: linear-gradient(135deg, var(--bordo) 0%, var(--vinho-elegante) 100%);
  color: var(--dourado);
  border: 1px solid var(--dourado);
}

.plano-nome {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--offwhite);
  margin-bottom: 0.5rem;
  line-height: 1.3;
  padding-right: 5rem;
}

.plano-indicado {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.plano-preco-wrap {
  margin-bottom: 1.25rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
}

.plano-preco {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dourado);
  transition: var(--transition);
}

.plano-lista {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.plano-lista li {
  font-size: 0.82rem;
  color: var(--text-light);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
}
.plano-lista li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--dourado);
  font-size: 0.75rem;
  font-weight: 700;
}

.plano-obs {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.btn-plano {
  display: block;
  text-align: center;
  background: transparent;
  color: var(--dourado);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem;
  border: 1px solid var(--border-gold-strong);
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-plano:hover {
  background: rgba(214,168,79,0.1);
  border-color: var(--dourado);
  transform: translateY(-1px);
}

.btn-plano-destaque {
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  border-color: var(--dourado);
}
.btn-plano-destaque:hover {
  background: linear-gradient(135deg, var(--dourado-claro) 0%, var(--dourado) 100%);
  box-shadow: 0 6px 20px rgba(214,168,79,0.3);
}

.btn-plano-completo {
  background: linear-gradient(135deg, var(--bordo) 0%, var(--vinho-elegante) 100%);
  color: var(--dourado);
  border-color: var(--dourado);
}
.btn-plano-completo:hover {
  background: linear-gradient(135deg, var(--vinho-elegante) 0%, var(--bordo) 100%);
  box-shadow: 0 6px 20px rgba(74,7,16,0.5);
}

/* ==========================================
   SERVIÇOS AVULSOS
   ========================================== */
.avulsos {
  padding: 5rem 0;
  background: linear-gradient(180deg, var(--preto) 0%, rgba(42,5,9,0.3) 100%);
}

.avulsos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.avulso-card {
  background: rgba(14,11,12,0.9);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.avulso-card:hover {
  border-color: var(--border-gold-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

.avulso-icon {
  font-size: 1.5rem;
  color: var(--dourado);
  margin-bottom: 0.75rem;
  opacity: 0.7;
}

.avulso-nome {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--offwhite);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.avulso-preco {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dourado);
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-gold);
}

.avulso-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.avulso-lista {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.avulso-lista li {
  font-size: 0.8rem;
  color: var(--text-light);
  padding-left: 1.1rem;
  position: relative;
}
.avulso-lista li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--dourado);
  font-weight: 700;
}

.avulsos-cta { text-align: center; }

/* ==========================================
   NICHOS
   ========================================== */
.nichos {
  padding: 5rem 0;
  background: var(--preto);
}

.nichos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.nicho-card {
  padding: 1.5rem;
  background: rgba(74,7,16,0.1);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  transition: var(--transition);
}
.nicho-card:hover {
  background: rgba(74,7,16,0.25);
  border-color: var(--dourado);
  transform: translateX(4px);
}

.nicho-icon {
  color: var(--dourado);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.nicho-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--offwhite);
  margin-bottom: 0.4rem;
}

.nicho-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   ANTES E DEPOIS
   ========================================== */
.antes-depois {
  padding: 5rem 0;
  background: linear-gradient(180deg, rgba(42,5,9,0.3) 0%, var(--preto) 100%);
}

.ad-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.ad-card {
  background: rgba(14,11,12,0.9);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.ad-card:hover { border-color: var(--border-gold-strong); }

.ad-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-gold);
}

.ad-tab {
  flex: 1;
  padding: 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: var(--transition);
  border-right: 1px solid var(--border-gold);
}
.ad-tab:last-child { border-right: none; }

.ad-tab-antes.active {
  background: rgba(100,30,30,0.2);
  color: #c87a7a;
}
.ad-tab-depois.active {
  background: rgba(214,168,79,0.1);
  color: var(--dourado);
}
.ad-tab:hover:not(.active) {
  background: rgba(255,255,255,0.05);
  color: var(--text-light);
}

.ad-content { padding: 1.5rem; }

.ad-panel { display: none; }
.ad-panel.active { display: block; animation: fadeInPanel 0.3s ease; }

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.ad-icon-antes {
  font-size: 1.5rem;
  color: #c87a7a;
  margin-bottom: 0.5rem;
}
.ad-icon-depois {
  font-size: 1.5rem;
  color: var(--dourado);
  margin-bottom: 0.5rem;
}

.ad-panel p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================
   METODOLOGIA
   ========================================== */
.metodologia {
  padding: 5rem 0;
  background: var(--preto);
  position: relative;
  overflow: hidden;
}
.metodologia::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(74,7,16,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.metodo-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 2.5rem;
  position: relative;
}

.metodo-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: rgba(14,11,12,0.7);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}
.metodo-step:hover {
  background: rgba(74,7,16,0.2);
  border-color: var(--dourado);
  transform: translateX(4px);
}

.metodo-connector {
  width: 1px;
  height: 1.5rem;
  background: linear-gradient(to bottom, var(--dourado), transparent);
  margin-left: 2rem;
  opacity: 0.4;
}

.metodo-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--dourado);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.5rem;
  transition: var(--transition);
}
.metodo-step:hover .metodo-num { opacity: 1; }

.metodo-content h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--offwhite);
  margin-bottom: 0.3rem;
}
.metodo-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   PROVA SOCIAL
   ========================================== */
.prova-social {
  padding: 5rem 0;
  background: linear-gradient(135deg, rgba(74,7,16,0.2) 0%, var(--preto) 50%, rgba(42,5,9,0.3) 100%);
}

.prova-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.prova-card {
  padding: 1.75rem;
  background: rgba(14,11,12,0.8);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.prova-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--dourado), transparent);
  transform: scaleX(0);
  transition: var(--transition);
}
.prova-card:hover::after { transform: scaleX(1); }
.prova-card:hover {
  border-color: var(--border-gold-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.prova-icon {
  color: var(--dourado);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  opacity: 0.7;
}

.prova-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--offwhite);
  margin-bottom: 0.5rem;
}
.prova-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================
   FAQ
   ========================================== */
.faq {
  padding: 5rem 0;
  background: var(--preto);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.faq-item {
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-gold-strong); }
.faq-item.open { border-color: var(--dourado); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--offwhite);
  background: rgba(14,11,12,0.8);
  transition: var(--transition);
  line-height: 1.5;
  cursor: pointer;
}
.faq-question:hover, .faq-item.open .faq-question {
  background: rgba(74,7,16,0.2);
  color: var(--dourado);
}

.faq-arrow {
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--dourado);
  transition: transform 0.3s ease;
  font-weight: 300;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: rgba(74,7,16,0.08);
}
.faq-item.open .faq-answer { max-height: 300px; }

.faq-answer p, .faq-answer {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.75;
  padding: 1rem 1.25rem;
}

/* ==========================================
   CTA FINAL
   ========================================== */
.cta-final {
  padding: 6rem 0;
  background: radial-gradient(ellipse at center, var(--bordo) 0%, var(--vinho) 50%, var(--preto) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(214,168,79,0.03) 40px,
      rgba(214,168,79,0.03) 41px
    );
  pointer-events: none;
}

.cta-content { position: relative; z-index: 2; }

.cta-ornament {
  font-size: 0.9rem;
  color: var(--dourado);
  letter-spacing: 0.5rem;
  margin-bottom: 1.5rem;
  opacity: 0.7;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--offwhite);
  line-height: 1.25;
  margin-bottom: 1.25rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

.btn-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-envelhecido) 100%);
  color: var(--preto);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 1.1rem 2.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--dourado);
  transition: var(--transition);
}
.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(214,168,79,0.4);
  background: linear-gradient(135deg, var(--dourado-claro) 0%, var(--dourado) 100%);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--vinho);
  border-top: 1px solid var(--border-gold);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-top: 3rem;
  padding-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.25rem;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-contact-link:hover { color: var(--dourado); }

.footer-contact-icon { font-size: 0.9rem; }

.footer-nav-title {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dourado);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--dourado); }

.footer-bottom {
  border-top: 1px solid var(--border-gold);
  padding: 1.25rem 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================
   WHATSAPP FLOAT
   ========================================== */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}

/* ==========================================
   ANIMATIONS
   ========================================== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}
.fade-up:nth-child(1) { animation-delay: 0.1s; }
.fade-up:nth-child(2) { animation-delay: 0.2s; }
.fade-up:nth-child(3) { animation-delay: 0.3s; }
.fade-up:nth-child(4) { animation-delay: 0.4s; }
.fade-up:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   TABLET — 600px+
   ========================================== */
@media (min-width: 600px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .authority-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  .authority-divider {
    display: block;
    width: 1px;
    background: var(--border-gold);
    align-self: stretch;
    margin: 0;
  }

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

  .quiz-grid {
    grid-template-columns: 1fr 1fr;
  }
  .quiz-card-full {
    grid-column: 1 / -1;
  }

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

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

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

  .ad-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ad-card-full {
    grid-column: 1 / -1;
  }

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

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* ==========================================
   DESKTOP — 900px+
   ========================================== */
@media (min-width: 900px) {
  .nav-desktop { display: flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none !important; }

  .sobre-content {
    flex-direction: row;
    align-items: flex-start;
    gap: 4rem;
  }
  .sobre-text { flex: 1; }
  .sobre-cards {
    flex: 1;
    grid-template-columns: repeat(2, 1fr);
  }

  .planos-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .metodo-steps {
    flex-direction: row;
    align-items: stretch;
    gap: 0;
  }
  .metodo-step {
    flex-direction: column;
    flex: 1;
    gap: 0.75rem;
    text-align: center;
    align-items: center;
  }
  .metodo-connector {
    width: 2.5rem;
    height: 1px;
    background: linear-gradient(90deg, var(--dourado), transparent);
    margin: auto 0;
    align-self: center;
    flex-shrink: 0;
  }
  .metodo-num {
    font-size: 2.5rem;
    min-width: auto;
  }
  .metodo-step:hover { transform: translateY(-4px); }

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

  .footer-inner {
    flex-direction: row;
  }
}

/* ==========================================
   LARGE DESKTOP — 1200px+
   ========================================== */
@media (min-width: 1200px) {
  .nichos-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================
   PRINT & REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}