/* =====================================================
   BFI — Biomecânica Funcional Integrada
   Custom Design System v2.0
   Clean / Off-white / Bordô / Gold Premium
   ===================================================== */

/* --- Custom Properties --- */
:root {
  --bfi-primary: #8B1A2B;
  --bfi-primary-light: #A62D3E;
  --bfi-primary-dark: #6B1420;
  --bfi-primary-rgb: 139, 26, 43;
  --bfi-accent: #C9A96E;
  --bfi-accent-light: #D4B97E;
  --bfi-accent-rgb: 201, 169, 110;
  --bfi-bg: #FAF7F2;
  --bfi-bg-warm: #F5F0E8;
  --bfi-bg-section: #FFF9F5;
  --bfi-white: #FFFFFF;
  --bfi-text: #2D2A26;
  --bfi-text-body: #5A5651;
  --bfi-text-muted: #8A8580;
  --bfi-shadow-sm: 0 2px 12px rgba(45, 42, 38, 0.06);
  --bfi-shadow: 0 4px 24px rgba(45, 42, 38, 0.08);
  --bfi-shadow-lg: 0 12px 40px rgba(45, 42, 38, 0.12);
  --bfi-shadow-hover: 0 16px 48px rgba(139, 26, 43, 0.12);
  --bfi-radius: 16px;
  --bfi-radius-sm: 8px;
  --bfi-radius-lg: 24px;
  --bfi-transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --bfi-transition-fast: all 0.25s ease;
}

/* --- Global Overrides --- */
html {
  scroll-padding-top: 90px;
  overflow-x: hidden;
}

body {
  background-color: var(--bfi-bg) !important;
  color: var(--bfi-text-body) !important;
  font-family: 'Inter', 'Poppins', sans-serif !important;
  overflow-x: hidden;
  padding-top: 80px; /* Offset for the fixed header */
}

h1, h2, h3, h4, h5, h6 {
  color: var(--bfi-text) !important;
  font-family: 'Inter', sans-serif !important;
  font-weight: 700 !important;
}

a {
  transition: var(--bfi-transition-fast);
}

::selection {
  background: var(--bfi-primary);
  color: white;
}

/* Override bootstrap primary color */
.text-primary {
  color: var(--bfi-primary) !important;
}

.bg-primary {
  background-color: var(--bfi-primary) !important;
}

.border-primary {
  border-color: var(--bfi-primary) !important;
}

.btn-primary {
  background-color: var(--bfi-primary) !important;
  border-color: var(--bfi-primary) !important;
  border-radius: var(--bfi-radius-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px;
  padding: 12px 32px !important;
  transition: var(--bfi-transition) !important;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  background-color: var(--bfi-primary-light) !important;
  border-color: var(--bfi-primary-light) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--bfi-primary-rgb), 0.3) !important;
}

.btn-outline-light {
  border-radius: var(--bfi-radius-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px;
  padding: 14px 36px !important;
  border-width: 2px !important;
  transition: var(--bfi-transition) !important;
}

.btn-outline-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,255,255,0.2) !important;
}

.btn-accent {
  background: linear-gradient(135deg, var(--bfi-accent), var(--bfi-accent-light)) !important;
  border: none !important;
  color: white !important;
  border-radius: var(--bfi-radius-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px;
  padding: 14px 36px !important;
  transition: var(--bfi-transition) !important;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--bfi-accent-rgb), 0.4) !important;
  color: white !important;
}

.bg-light {
  background-color: var(--bfi-bg) !important;
}

/* --- Section Styling --- */
.bfi-section {
  padding: 100px 0;
  position: relative;
}

.bfi-section-warm {
  background-color: var(--bfi-bg-warm);
}

.bfi-section-white {
  background-color: var(--bfi-white);
}

.bfi-section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(var(--bfi-primary-rgb), 0.08), rgba(var(--bfi-primary-rgb), 0.04));
  color: var(--bfi-primary);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.bfi-section-title {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.bfi-section-subtitle {
  font-size: 1.1rem;
  color: var(--bfi-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.bfi-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--bfi-primary), var(--bfi-accent));
  border-radius: 2px;
  margin: 20px auto;
}

/* --- Navbar --- */
.bfi-navbar {
  background: rgba(250, 247, 242, 0.95) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(var(--bfi-primary-rgb), 0.05);
  padding: 16px 0 !important;
  transition: var(--bfi-transition);
  z-index: 1000;
}

.bfi-navbar.scrolled {
  padding: 10px 0 !important;
  box-shadow: var(--bfi-shadow-sm);
}

.bfi-navbar .navbar-brand h1 {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--bfi-primary), var(--bfi-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.bfi-navbar .nav-link {
  color: var(--bfi-text) !important;
  font-weight: 500 !important;
  font-size: 0.9rem !important;
  padding: 8px 16px !important;
  position: relative;
  transition: var(--bfi-transition-fast) !important;
}

.bfi-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--bfi-primary);
  transition: var(--bfi-transition);
  transform: translateX(-50%);
}

.bfi-navbar .nav-link:hover {
  color: var(--bfi-primary) !important;
}

.bfi-navbar .nav-link:hover::after {
  width: 70%;
}

/* --- Hero --- */
.bfi-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 0;
}

.bfi-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.bfi-hero-bg-2 {
  z-index: 1;
  opacity: 0;
  object-position: 0% center;
  animation: bfi-hero-crossfade 12s ease-in-out infinite;
}

@keyframes bfi-hero-crossfade {
  0%, 15%, 100% { opacity: 0; transform: scale(1); }
  35%, 65% { opacity: 1; transform: scale(1.05); }
  85% { opacity: 0; transform: scale(1); }
}

.bfi-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(250, 247, 242, 0.3) 0%,
    rgba(250, 247, 242, 0.55) 40%,
    rgba(250, 247, 242, 0.85) 100%
  );
  z-index: 1;
}

.bfi-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 850px;
  padding: 0 24px;
}

.bfi-hero-tag {
  display: inline-block;
  background: rgba(var(--bfi-primary-rgb), 0.08);
  color: var(--bfi-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 50px;
  margin-bottom: 28px;
  border: 1px solid rgba(var(--bfi-primary-rgb), 0.12);
}

.bfi-hero h1 {
  font-family: 'Playfair Display', Georgia, serif !important;
  font-size: 3.2rem;
  font-weight: 700 !important;
  color: var(--bfi-text) !important;
  line-height: 1.25;
  margin-bottom: 24px;
}

.bfi-hero h1 em {
  font-style: italic;
  color: var(--bfi-primary) !important;
}

.bfi-hero-description {
  font-size: 1.15rem;
  color: var(--bfi-text-body);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.bfi-hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.bfi-hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bfi-float 2s ease-in-out infinite;
}

.bfi-hero-scroll i {
  font-size: 1.5rem;
  color: var(--bfi-primary);
  opacity: 0.6;
}

@keyframes bfi-float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* --- Impact Numbers --- */
.bfi-impact {
  background: var(--bfi-white);
  padding: 60px 0;
  position: relative;
  z-index: 3;
  margin-top: -80px;
}

.bfi-impact-inner {
  background: var(--bfi-white);
  border-radius: var(--bfi-radius-lg);
  box-shadow: var(--bfi-shadow-lg);
  padding: 50px 40px;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.bfi-impact-item {
  text-align: center;
}

.bfi-impact-number {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--bfi-primary), var(--bfi-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.bfi-impact-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bfi-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Dicas de Biomecânica (Video Tips) --- */
.bfi-dicas {
  background: var(--bfi-bg);
}

.bfi-video-card {
  position: relative;
  border-radius: var(--bfi-radius);
  overflow: hidden;
  background: var(--bfi-white);
  box-shadow: var(--bfi-shadow);
  transition: var(--bfi-transition);
  cursor: pointer;
  text-decoration: none !important;
  display: block;
  margin-bottom: 30px;
}

.bfi-video-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--bfi-shadow-hover);
}

.bfi-video-card-img {
  position: relative;
  overflow: hidden;
}

.bfi-video-card-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  transition: transform 0.6s ease;
}

.bfi-video-card:hover .bfi-video-card-img img {
  transform: scale(1.08);
}

.bfi-video-card-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 60px;
  height: 60px;
  background: rgba(var(--bfi-primary-rgb), 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--bfi-transition);
  opacity: 0.85;
}

.bfi-video-card:hover .bfi-video-card-play {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  box-shadow: 0 0 0 12px rgba(var(--bfi-primary-rgb), 0.15);
}

.bfi-video-card-play i {
  color: white;
  font-size: 1.2rem;
  margin-left: 3px;
}

.bfi-video-card-body {
  padding: 20px 24px;
}

.bfi-video-card-body h5 {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  color: var(--bfi-text) !important;
  transition: var(--bfi-transition-fast);
}

.bfi-video-card:hover .bfi-video-card-body h5 {
  color: var(--bfi-primary) !important;
}

/* --- Sobre / About --- */
.bfi-about {
  background: var(--bfi-white);
}

.bfi-about-img-wrapper {
  position: relative;
  border-radius: var(--bfi-radius-lg);
  overflow: hidden;
  box-shadow: var(--bfi-shadow-lg);
}

.bfi-about-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 500px;
}

.bfi-about-img-wrapper::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(transparent, rgba(var(--bfi-primary-rgb), 0.08));
}

.bfi-about-text {
  padding-left: 40px;
}

.bfi-about-bio {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--bfi-text-body);
  border-left: 3px solid var(--bfi-accent);
  padding-left: 24px;
  margin: 24px 0;
}

.bfi-stoic-quote {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--bfi-primary);
  padding: 24px;
  background: rgba(var(--bfi-primary-rgb), 0.03);
  border-radius: var(--bfi-radius);
  border-left: 3px solid var(--bfi-accent);
  margin: 32px 0;
  line-height: 1.6;
}

.bfi-stoic-quote::before {
  content: '"';
  font-size: 3rem;
  line-height: 0;
  vertical-align: -0.4em;
  color: var(--bfi-accent);
  margin-right: 4px;
}

/* --- Método / Pilares --- */
.bfi-services {
  background: var(--bfi-bg);
}

.bfi-pillar-card {
  background: var(--bfi-white);
  border-radius: var(--bfi-radius);
  padding: 40px 32px;
  box-shadow: var(--bfi-shadow);
  transition: var(--bfi-transition);
  height: 100%;
  text-align: center;
  border-top: 3px solid transparent;
}

.bfi-pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--bfi-shadow-hover);
  border-top-color: var(--bfi-primary);
}

.bfi-pillar-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--bfi-primary-rgb), 0.08), rgba(var(--bfi-accent-rgb), 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: var(--bfi-transition);
}

.bfi-pillar-card:hover .bfi-pillar-icon {
  background: linear-gradient(135deg, var(--bfi-primary), var(--bfi-primary-light));
}

.bfi-pillar-icon i {
  font-size: 1.6rem;
  color: var(--bfi-primary);
  transition: var(--bfi-transition);
}

.bfi-pillar-card:hover .bfi-pillar-icon i {
  color: white;
}

.bfi-pillar-card h4 {
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.bfi-pillar-card p {
  color: var(--bfi-text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  margin: 0;
}

/* --- Action Cards (Serviços CTA) --- */
.bfi-services-row {
  padding-top: 20px;
  border-top: 1px solid rgba(var(--bfi-primary-rgb), 0.06);
}

.bfi-action-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bfi-white);
  padding: 20px 24px;
  border-radius: var(--bfi-radius);
  box-shadow: var(--bfi-shadow-sm);
  transition: var(--bfi-transition);
  text-decoration: none !important;
  border: 1px solid rgba(var(--bfi-primary-rgb), 0.06);
}

.bfi-action-card:hover {
  transform: translateX(6px);
  box-shadow: var(--bfi-shadow);
  border-color: rgba(var(--bfi-primary-rgb), 0.15);
}

.bfi-action-card > i:first-child {
  font-size: 1.3rem;
  color: var(--bfi-primary);
  flex-shrink: 0;
  width: 40px;
  text-align: center;
}

.bfi-action-card div {
  flex: 1;
}

.bfi-action-card strong {
  display: block;
  font-size: 0.95rem;
  color: var(--bfi-text);
  margin-bottom: 2px;
}

.bfi-action-card span {
  font-size: 0.8rem;
  color: var(--bfi-text-muted);
}

.bfi-action-arrow {
  font-size: 0.85rem;
  color: var(--bfi-text-muted);
  transition: var(--bfi-transition);
  flex-shrink: 0;
}

.bfi-action-card:hover .bfi-action-arrow {
  color: var(--bfi-primary);
  transform: translateX(4px);
}

.bfi-action-accent {
  background: linear-gradient(135deg, rgba(var(--bfi-primary-rgb), 0.04), rgba(var(--bfi-accent-rgb), 0.06));
  border-color: rgba(var(--bfi-accent-rgb), 0.2);
}

.bfi-action-accent:hover {
  border-color: var(--bfi-accent);
}

.bfi-action-accent > i:first-child {
  color: var(--bfi-accent);
}

/* --- Formação BFI 2027 --- */
.bfi-formacao {
  background: var(--bfi-white);
  overflow: hidden;
}

.bfi-formacao-highlight {
  background: linear-gradient(135deg, rgba(var(--bfi-primary-rgb), 0.03), rgba(var(--bfi-accent-rgb), 0.05));
  border-left: 4px solid var(--bfi-primary);
  padding: 24px 30px;
  border-radius: 0 var(--bfi-radius) var(--bfi-radius) 0;
}

.bfi-formacao-highlight h5 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  color: var(--bfi-primary);
  margin-bottom: 12px;
}

.bfi-formacao-highlight p {
  color: var(--bfi-text-body);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

.bfi-formacao-img {
  position: relative;
  border-radius: var(--bfi-radius-lg);
  overflow: hidden;
  box-shadow: var(--bfi-shadow-lg);
  min-height: 500px;
}

.bfi-formacao-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.bfi-formacao-content {
  padding: 40px;
  background: var(--bfi-bg);
  border-radius: var(--bfi-radius-lg);
  position: relative;
}

.bfi-formacao-year {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--bfi-primary), var(--bfi-primary-light));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.bfi-formacao-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.bfi-formacao-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(var(--bfi-primary-rgb), 0.06);
  font-size: 0.95rem;
  color: var(--bfi-text-body);
}

.bfi-formacao-list li:last-child {
  border-bottom: none;
}

.bfi-formacao-list li i {
  color: var(--bfi-accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.bfi-waitlist-box {
  background: rgba(var(--bfi-primary-rgb), 0.04);
  border: 2px dashed rgba(var(--bfi-primary-rgb), 0.15);
  border-radius: var(--bfi-radius);
  padding: 28px;
  text-align: center;
  margin-top: 24px;
}

.bfi-waitlist-box h5 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.bfi-waitlist-box p {
  font-size: 0.9rem;
  color: var(--bfi-text-muted);
  margin-bottom: 16px;
}

/* --- Depoimentos --- */
.bfi-testimonials {
  background: var(--bfi-bg-warm);
}

.bfi-testimonial-video {
  position: relative;
  border-radius: var(--bfi-radius);
  overflow: hidden;
  box-shadow: var(--bfi-shadow);
  margin-bottom: 24px;
  aspect-ratio: 16 / 9;
}

.bfi-testimonial-video iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.bfi-testimonial-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--bfi-radius);
  padding: 32px;
  margin-bottom: 24px;
  transition: var(--bfi-transition);
  position: relative;
}

.bfi-testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bfi-shadow);
  background: rgba(255, 255, 255, 0.9);
}

.bfi-testimonial-card .quote-icon {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 2rem;
  color: rgba(var(--bfi-primary-rgb), 0.1);
}

.bfi-testimonial-card .testimonial-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--bfi-text-body);
  margin-bottom: 20px;
  font-style: italic;
}

.bfi-testimonial-card .testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bfi-testimonial-card .author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bfi-primary), var(--bfi-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.bfi-testimonial-card .author-info h6 {
  font-size: 0.95rem;
  margin-bottom: 2px !important;
}

.bfi-testimonial-card .author-info span {
  font-size: 0.8rem;
  color: var(--bfi-text-muted);
}

/* --- Footer --- */
.bfi-footer {
  background: var(--bfi-text) !important;
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px;
}

.bfi-footer h1 {
  background: linear-gradient(135deg, var(--bfi-primary-light), var(--bfi-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bfi-footer h5 {
  color: white !important;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.bfi-footer a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--bfi-transition-fast);
}

.bfi-footer a:hover {
  color: var(--bfi-accent);
  text-decoration: none;
  padding-left: 4px;
}

.bfi-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: white;
  margin-right: 10px;
  transition: var(--bfi-transition);
  font-size: 1rem;
}

.bfi-footer-social a:hover {
  background: var(--bfi-primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(var(--bfi-primary-rgb), 0.3);
  padding-left: 0;
}

.bfi-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  margin-top: 50px;
  font-size: 0.85rem;
}

/* --- Scroll Animations --- */
.bfi-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.bfi-animate.bfi-visible {
  opacity: 1;
  transform: translateY(0);
}

.bfi-animate-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.bfi-animate-left.bfi-visible {
  opacity: 1;
  transform: translateX(0);
}

.bfi-animate-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.bfi-animate-right.bfi-visible {
  opacity: 1;
  transform: translateX(0);
}

.bfi-animate-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.bfi-animate-scale.bfi-visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.bfi-delay-1 { transition-delay: 0.1s; }
.bfi-delay-2 { transition-delay: 0.2s; }
.bfi-delay-3 { transition-delay: 0.3s; }
.bfi-delay-4 { transition-delay: 0.4s; }

/* --- Back to Top --- */
.back-to-top {
  background: var(--bfi-primary) !important;
  border-radius: 50% !important;
  width: 50px;
  height: 50px;
  display: flex !important;
  align-items: center;
  justify-content: center;
  transition: var(--bfi-transition) !important;
  box-shadow: var(--bfi-shadow) !important;
}

.back-to-top:hover {
  background: var(--bfi-primary-light) !important;
  transform: translateY(-3px);
}

/* --- Responsive --- */
@media (max-width: 991px) {
  .bfi-hero h1 {
    font-size: 2.2rem;
  }

  .bfi-section {
    padding: 70px 0;
  }

  .bfi-section-title {
    font-size: 2rem;
  }

  .bfi-about-text {
    padding-left: 0;
    margin-top: 30px;
  }

  .bfi-impact-inner {
    gap: 40px;
    padding: 40px 24px;
  }

  .bfi-impact-number {
    font-size: 2.8rem;
  }

  .bfi-formacao-content {
    padding: 30px 24px;
  }

  .bfi-formacao-img {
    min-height: 350px;
    margin-bottom: 30px;
  }
}

@media (max-width: 767px) {
  .bfi-hero {
    min-height: 90vh;
  }

  .bfi-hero h1 {
    font-size: 1.8rem;
  }

  .bfi-hero-description {
    font-size: 1rem;
  }

  .bfi-section {
    padding: 50px 0;
  }

  .bfi-section-title {
    font-size: 1.7rem;
  }

  .bfi-impact {
    margin-top: -50px;
  }

  .bfi-impact-inner {
    gap: 30px;
    padding: 30px 20px;
  }

  .bfi-impact-number {
    font-size: 2.2rem;
  }

  .bfi-stoic-quote {
    font-size: 1rem;
  }

  .bfi-navbar {
    padding: 12px 0 !important;
  }

  .bfi-pillar-card {
    padding: 30px 20px;
  }

  .bfi-action-card {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }

  .bfi-action-card > i:first-child {
    margin-bottom: 12px;
  }

  .bfi-action-arrow {
    display: none;
  }

  .bfi-formacao-highlight {
    padding: 20px;
  }

  .bfi-formacao-highlight h5 {
    font-size: 1.25rem;
  }

  .bfi-waitlist-box {
    padding: 24px 20px;
  }
}

/* --- Topbar override --- */
.container-fluid.bg-light.d-none.d-lg-block {
  background: var(--bfi-white) !important;
  border-bottom: 1px solid rgba(var(--bfi-primary-rgb), 0.05);
}

/* --- Smooth Scroll --- */
html {
  scroll-behavior: smooth;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bfi-bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(var(--bfi-primary-rgb), 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--bfi-primary-rgb), 0.4);
}

/* --- Loading skeleton for images --- */
.bfi-img-lazy {
  background: linear-gradient(90deg, #f0ece6 25%, #e8e3db 50%, #f0ece6 75%);
  background-size: 200% 100%;
  animation: bfi-shimmer 1.5s infinite;
}

@keyframes bfi-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Floating Buttons --- */
.bfi-float-whatsapp {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--bfi-transition);
}

.bfi-float-whatsapp:hover {
  background-color: #128C7E;
  color: white;
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.back-to-top {
  position: fixed !important;
  bottom: 25px !important;
  left: 25px !important;
  right: auto !important;
  z-index: 1000 !important;
  width: 45px;
  height: 45px;
  border-radius: 50% !important;
  text-align: center;
  line-height: 45px;
  box-shadow: var(--bfi-shadow);
}

.back-to-top i {
  line-height: inherit;
}

@media (max-width: 767px) {
  .bfi-float-whatsapp {
    width: 55px;
    height: 55px;
    font-size: 28px;
    bottom: 30px;
    right: 20px;
  }
  .back-to-top {
    bottom: 30px !important;
    left: 20px !important;
    width: 45px;
    height: 45px;
  }
}