/* ==========================================================================
   Instituto Fábio Viegas - Tratamento Clínico da Obesidade
   Identidade Visual Luxury AAA / AA A / AB
   Cores Oficiais e Proporções Rigorosas
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Paleta Oficial */
  --color-marfim: #F0EADF;              /* Fundo principal (40%) */
  --color-verde-floresta: #2E421E;      /* Seções de destaque, títulos claro, rodapé (18%) */
  --color-champanhe: #D4C3A3;           /* Seções alternadas (12%) */
  --color-verde-institucional: #374B2D; /* Seções institucionais, textos claro (10%) */
  --color-dourado: #CFA451;             /* CTA principal, links, microdestaques (7%) */
  --color-dourado-light: #E0BA6A;
  --color-dourado-dark: #B58D38;
  --color-bege-areia: #D8CCB6;          /* Cards (5%) */
  --color-verde-salvia: #7B846E;        /* Ícones e marcadores (5%) */
  --color-taupe-quente: #9C8C6D;        /* Bordas e divisores (3%) */

  /* Tipografia */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Transições e Sombras */
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(46, 66, 30, 0.05);
  --shadow-card: 0 10px 30px rgba(46, 66, 30, 0.07);
  --shadow-gold: 0 8px 24px rgba(207, 164, 81, 0.32);
}

/* Reset e Configurações Globais */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-marfim);
  color: var(--color-verde-institucional);
  line-height: 1.7;
  font-size: 1.0625rem;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografia Editorial */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  text-wrap: balance;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2.25rem, 4.5vw + 1rem, 3.75rem);
  font-weight: 600;
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.85rem, 3vw + 0.5rem, 2.75rem);
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.35rem, 2vw + 0.25rem, 1.95rem);
}

h4 {
  font-size: clamp(1.15rem, 1.5vw + 0.1rem, 1.45rem);
}

p {
  margin-bottom: 1.35rem;
}

.lead {
  font-size: clamp(1.1rem, 1.2vw + 0.5rem, 1.25rem);
  font-weight: 400;
  line-height: 1.65;
}

/* Header Fixo / Barra de Navegação */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(240, 234, 223, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(156, 140, 109, 0.25);
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  background-color: rgba(240, 234, 223, 0.98);
  box-shadow: 0 4px 20px rgba(46, 66, 30, 0.08);
  border-bottom-color: rgba(156, 140, 109, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

/* Monograma e Marca */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  color: var(--color-verde-floresta);
  transition: var(--transition-smooth);
}

.brand-lockup:hover {
  opacity: 0.9;
}

.brand-logo-img {
  height: 58px;
  width: auto;
  max-width: 300px;
  object-fit: contain;
  display: block;
  transition: var(--transition-smooth);
}

@media (min-width: 992px) {
  .brand-logo-img {
    height: 65px;
    max-width: 336px;
  }
}

@media (max-width: 576px) {
  .brand-logo-img {
    height: 46px;
    max-width: 222px;
  }
}

.brand-crest {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-dourado);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(207, 164, 81, 0.15) 0%, rgba(240, 234, 223, 0) 70%);
  color: var(--color-verde-floresta);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-verde-floresta);
  line-height: 1.2;
}

.brand-subtitle {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-taupe-quente);
}

/* Links de Navegação */
.nav-links-container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-verde-institucional);
  text-decoration: none;
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-dourado);
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-verde-floresta);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta-btn {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--color-dourado);
  color: var(--color-verde-floresta) !important;
  padding: 0.6rem 1.35rem;
  border-radius: 4px;
  text-decoration: none;
  transition: var(--transition-smooth);
  white-space: nowrap;
  border: 1px solid var(--color-dourado-dark);
}

.nav-cta-btn:hover {
  background-color: var(--color-verde-institucional);
  color: var(--color-marfim) !important;
  box-shadow: 0 4px 14px rgba(46, 66, 30, 0.25);
}

/* Toggle Mobile */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-taupe-quente);
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-verde-floresta);
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: block;
  }

  .nav-links-container {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-marfim);
    border-bottom: 2px solid var(--color-taupe-quente);
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  }

  .nav-links-container.active {
    display: flex;
  }

  .nav-cta-btn {
    width: 100%;
    text-align: center;
    margin-top: 0.5rem;
  }
}

/* Esquemas de Cores por Seção */
.section-marfim {
  background-color: var(--color-marfim);
  color: var(--color-verde-institucional);
}

.section-marfim h1,
.section-marfim h2,
.section-marfim h3,
.section-marfim h4 {
  color: var(--color-verde-floresta);
}

.section-champanhe {
  background-color: var(--color-champanhe);
  color: var(--color-verde-institucional);
}

.section-champanhe h1,
.section-champanhe h2,
.section-champanhe h3,
.section-champanhe h4 {
  color: var(--color-verde-floresta);
}

.section-institucional {
  background-color: var(--color-verde-institucional);
  color: var(--color-marfim);
}

.section-institucional h1,
.section-institucional h2,
.section-institucional h3,
.section-institucional h4 {
  color: var(--color-marfim);
}

.section-destaque {
  background-color: var(--color-verde-floresta);
  color: var(--color-marfim);
}

.section-destaque h1,
.section-destaque h2,
.section-destaque h3,
.section-destaque h4 {
  color: var(--color-marfim);
}

/* Espaçamento e Estrutura de Seções */
.site-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  position: relative;
}

@media (min-width: 992px) {
  .site-section {
    padding-top: 6.5rem;
    padding-bottom: 6.5rem;
  }
}

/* Ajuste refinado de espaçamento vertical pós-listas */
.section-compact-bottom {
  padding-bottom: 2rem !important;
}

@media (min-width: 992px) {
  .section-compact-bottom {
    padding-bottom: 2.25rem !important;
  }
}

.section-compact-top {
  padding-top: 2rem !important;
}

@media (min-width: 992px) {
  .section-compact-top {
    padding-top: 2.25rem !important;
  }
}

/* Divisores Suaves */
.section-divider {
  border-top: 1px solid var(--color-taupe-quente);
  opacity: 0.3;
  margin: 0;
}

/* Botões de Ação (CTA) */
.btn-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-dourado-light) 0%, var(--color-dourado) 50%, var(--color-dourado-dark) 100%);
  color: var(--color-verde-floresta) !important;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.025rem;
  padding: 1rem 2.5rem;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid rgba(207, 164, 81, 0.4);
  box-shadow: 0 4px 15px rgba(207, 164, 81, 0.25);
  transition: var(--transition-smooth);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-cta:hover,
.btn-cta:focus {
  background: var(--color-verde-institucional);
  color: var(--color-marfim) !important;
  border-color: var(--color-dourado);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

/* CTA em seções escuras */
.section-institucional .btn-cta,
.section-destaque .btn-cta {
  background: linear-gradient(135deg, var(--color-dourado-light) 0%, var(--color-dourado) 50%, var(--color-dourado-dark) 100%);
  color: var(--color-verde-floresta) !important;
}

.section-institucional .btn-cta:hover,
.section-destaque .btn-cta:hover,
.section-institucional .btn-cta:focus,
.section-destaque .btn-cta:focus {
  background: var(--color-marfim);
  color: var(--color-verde-floresta) !important;
  border-color: var(--color-dourado);
  transform: translateY(-2px);
}

.cta-container {
  margin-top: 2.5rem;
}

.cta-container.cta-tight {
  margin-top: 1.25rem !important;
}

/* Cards em Bege Areia */
.card-bege {
  background-color: var(--color-bege-areia);
  border: 1px solid var(--color-taupe-quente);
  border-radius: 10px;
  padding: 2.25rem 2rem;
  height: 100%;
  color: var(--color-verde-institucional);
  box-shadow: var(--shadow-subtle);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card-bege:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-verde-salvia);
}

.card-bege h3,
.card-bege h4 {
  color: var(--color-verde-floresta);
  margin-bottom: 0.85rem;
}

.card-bege p:last-child {
  margin-bottom: 0;
}

/* Cards Escuros para Seções Institucionais e de Destaque */
.card-destaque {
  background-color: rgba(240, 234, 223, 0.06);
  border: 1px solid rgba(207, 164, 81, 0.28);
  border-radius: 10px;
  padding: 2.5rem 2.25rem;
  height: 100%;
  color: var(--color-marfim);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  transition: var(--transition-smooth);
}

.card-destaque:hover {
  border-color: var(--color-dourado);
  transform: translateY(-3px);
}

.card-destaque h3,
.card-destaque h4 {
  color: var(--color-marfim);
}

/* Badge Numérica para Etapas */
.step-number {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-dourado);
  line-height: 1;
  margin-bottom: 1rem;
  display: block;
}

/* Listas Customizadas com Marcador Verde Sálvia */
.list-salvia {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1.5rem;
}

.list-salvia li {
  position: relative;
  padding-left: 1.85rem;
  margin-bottom: 0.95rem;
  line-height: 1.6;
}

.list-salvia li:last-child {
  margin-bottom: 0;
}

.list-salvia li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background-color: var(--color-verde-salvia);
  border: 2px solid var(--color-champanhe);
  flex-shrink: 0;
}

.section-institucional .list-salvia li::before,
.section-destaque .list-salvia li::before {
  background-color: var(--color-dourado);
  border-color: var(--color-verde-floresta);
}

/* Indicadores de Bioimpedância */
.bio-metric-item {
  background-color: rgba(240, 234, 223, 0.7);
  border: 1px solid var(--color-taupe-quente);
  border-radius: 8px;
  padding: 1.15rem 1.5rem;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.bio-metric-item:hover {
  background-color: #FFFFFF;
  border-color: var(--color-dourado);
  transform: translateX(4px);
}

.bio-metric-label {
  font-weight: 600;
  color: var(--color-verde-floresta);
}

.bio-metric-badge {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-verde-institucional);
  background-color: var(--color-champanhe);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-weight: 600;
}

/* Imagem de Bioimpedância */
.bioimpedancia-img-wrapper {
  position: relative;
  display: inline-block;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(44, 62, 53, 0.12), 0 0 0 1px rgba(207, 164, 81, 0.35);
  background: var(--color-champanhe);
  transition: var(--transition-smooth);
}

.bioimpedancia-img-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 45px rgba(44, 62, 53, 0.16), 0 0 0 2px rgba(207, 164, 81, 0.6);
}

.bioimpedancia-img {
  width: 100%;
  max-width: 440px;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 16px;
}

/* Credenciais Médicas */
.medico-profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.medico-avatar-wrapper {
  width: 190px;
  height: 190px;
  margin: 0 auto 1.25rem auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.medico-avatar-wrapper::before {
  content: '';
  position: absolute;
  width: 82%;
  height: 82%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207, 164, 81, 0.28) 0%, rgba(207, 164, 81, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.medico-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45));
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.card-destaque:hover .medico-avatar-img {
  transform: scale(1.035);
  filter: drop-shadow(0 18px 36px rgba(207, 164, 81, 0.4));
}

.medico-header {
  border-bottom: 1px solid rgba(207, 164, 81, 0.35);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.medico-divider {
  border: 0;
  border-top: 1px solid rgba(207, 164, 81, 0.35);
  margin: 1.25rem 0 1.5rem 0;
  opacity: 1;
}

.medico-cargo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: rgba(240, 234, 223, 0.9);
  margin-bottom: 0.4rem;
}

.medico-crm {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-dourado);
}

/* Trust Bar / Faixa de Credenciais */
.trust-bar {
  border-top: 1px solid rgba(156, 140, 109, 0.28);
  border-bottom: 1px solid rgba(156, 140, 109, 0.28);
  padding: 1.75rem 0;
  width: 100%;
}

.trust-item {
  text-align: center;
  padding: 0.75rem 0.5rem;
  transition: transform 0.3s ease;
}

.trust-item:hover {
  transform: translateY(-2px);
}

.trust-value {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--color-verde-floresta);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.trust-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-verde-salvia);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* FAQ em Detalhes e Sumário Nativos com Animação */
.faq-item {
  background-color: var(--color-bege-areia);
  border: 1px solid var(--color-taupe-quente);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item[open] {
  border-color: var(--color-verde-floresta);
  box-shadow: var(--shadow-card);
  background-color: #DFD4BF;
}

.faq-summary {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-verde-floresta);
  padding: 1.35rem 1.75rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--color-verde-salvia);
  margin-left: 1.25rem;
  transition: transform 0.25s ease;
  line-height: 1;
}

.faq-item[open] .faq-summary::after {
  content: "−";
  color: var(--color-verde-floresta);
}

.faq-content {
  padding: 0 1.75rem 1.75rem 1.75rem;
  color: var(--color-verde-institucional);
}

.faq-content p:last-child {
  margin-bottom: 0;
}

/* Links Telefônicos e Contato */
.phone-link {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.phone-link:hover,
.phone-link:focus {
  color: var(--color-dourado);
  text-decoration: underline;
}

/* Boxes de Contato */
.info-box {
  background-color: var(--color-bege-areia);
  border: 1px solid var(--color-taupe-quente);
  border-radius: 10px;
  padding: 2.5rem 2rem;
  height: 100%;
  box-shadow: var(--shadow-subtle);
}

.info-box h3,
.info-box h4 {
  color: var(--color-verde-floresta);
}

/* Rodapé / Copyright */
.site-footer {
  background-color: var(--color-verde-floresta);
  color: var(--color-marfim);
  padding-top: 20px;
  padding-bottom: 20px;
  font-size: 0.6875rem;
  line-height: 1.5;
  border-top: 2px solid var(--color-dourado);
}

.footer-legal {
  color: var(--color-marfim);
  opacity: 0.85;
  letter-spacing: 0.025em;
  font-size: 0.6875rem;
  line-height: 1.5;
}

.footer-credits {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(240, 234, 223, 0.12);
  font-weight: 500;
  letter-spacing: 0.035em;
  font-size: 0.625rem;
  opacity: 0.8;
}

/* Botão Flutuante de WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  z-index: 999;
  text-decoration: none;
  transition: var(--transition-smooth);
  border: 2px solid #FFFFFF;
}

.whatsapp-float:hover,
.whatsapp-float:focus {
  background: #20BA5A;
  color: #FFFFFF;
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

@media (max-width: 576px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* ==========================================================================
   IMAGENS CIRCULARES COM BORDA DOURADA E FUNDO TRANSPARENTE
   ========================================================================== */
.section-circular-img {
  width: 100%;
  max-width: 440px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  filter: drop-shadow(0 16px 36px rgba(46, 66, 30, 0.12));
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
  display: inline-block;
}

.section-circular-img:hover {
  transform: scale(1.025);
  filter: drop-shadow(0 20px 44px rgba(207, 164, 81, 0.22));
}

.circular-image-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 0.5rem;
  width: 100%;
}

.circular-image-wrapper::before {
  content: '';
  position: absolute;
  width: 82%;
  height: 82%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207, 164, 81, 0.15) 0%, rgba(207, 164, 81, 0) 70%);
  z-index: 0;
  pointer-events: none;
}

.circular-image-wrapper img {
  position: relative;
  z-index: 1;
}

@media (max-width: 991px) {
  .section-circular-img {
    max-width: 340px;
    margin: 1.5rem auto;
  }
}

@media (max-width: 576px) {
  .section-circular-img {
    max-width: 270px;
  }
}