/* ==========================================================================
   DRA. REJANE SEGALIM — FISIOTERAPIA DERMATOFUNCIONAL
   Design System & Estilos Globais Refinados
   Paleta: Bege Claro Natural (#FBF9F5) + Dourado Champagne (#8F9370)
   Tipografia: Montserrat (300, 400, 500, 600, 700)
   100% Centralizado • Zero Vácuos • Ritmo Contínuo • Mobile First
   ========================================================================== */

:root {
  /* Paleta Oficial */
  --bg-base: #FBF9F5;
  --bg-surface: #F5F1E9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-border: rgba(143, 147, 112, 0.22);
  --bg-card-glow: rgba(143, 147, 112, 0.08);

  /* Acentos Dourado Champagne */
  --accent-gold: #8F9370;
  --accent-gold-light: #A7AB89;
  --accent-gold-dark: #777B5A;
  --accent-gold-soft: rgba(143, 147, 112, 0.12);
  --accent-gold-glow: rgba(143, 147, 112, 0.25);

  /* Tipografia & Contrastes */
  --text-main: #242320;
  --text-muted: #5E5B54;
  --text-light: #7A766F;
  --text-on-accent: #FFFFFF;

  /* Espaçamentos & Layout Ajustados (Zero Vácuos) */
  --container-max: 1040px;
  --container-narrow: 780px;
  --header-height: 64px;
  --header-height-mobile: 56px;
  --section-pad-y: 44px;
  --section-pad-mobile: 32px;

  /* Transições & Curvas */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s var(--ease-smooth);
}

/* Reset Universal & Prevenção Absoluta de Overflow */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-main);
  overflow-x: hidden !important;
  width: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden !important;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Canvas de Fundo Three.js (Luz Sutil e Acolhedora) */
#ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  overflow: hidden;
}

/* Fundo Contínuo Unificado */
.page-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  overflow-x: hidden !important;
}

/* Container Centralizado Rigoroso */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  text-align: center;
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* Tipografia Hierárquica Centralizada */
h1, h2, h3, h4, p, span {
  text-align: center;
}

.section-tagline {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.6rem, 3.2vw, 2.25rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}

.section-description {
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 28px;
}

/* ==========================================================================
   NAVBAR (Centralizada, Mínima, Mobile Impecável)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(251, 249, 245, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(143, 147, 112, 0.15);
  transition: height var(--transition-normal), background var(--transition-normal);
}

.site-header.scrolled {
  height: 56px;
  background: rgba(251, 249, 245, 0.97);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  margin: 0 auto;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-main);
  text-transform: uppercase;
}

.brand-specialty {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-normal);
  padding: 4px 0;
  position: relative;
}

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

.nav-link:hover {
  color: var(--accent-gold-dark);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Botão Compacto da Navbar */
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-on-accent);
  background: var(--accent-gold);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-nav:hover {
  background: var(--accent-gold-dark);
  transform: translateY(-1px);
}

/* Menu Hambúrguer Mobile */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  padding: 0;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Painel de Navegação Mobile Completo */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(251, 249, 245, 0.98);
  backdrop-filter: blur(20px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.2s ease;
}

.mobile-nav-link:hover {
  color: var(--accent-gold);
}

/* ==========================================================================
   BOTÃO CANÔNICO COM SHINY SWEEP GLOW
   ========================================================================== */
.btn-cta-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  min-height: 48px;
  border-radius: 999px;
  background-color: var(--accent-gold);
  color: var(--text-on-accent);
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 24px -5px var(--accent-gold-glow);
  transition: all var(--transition-normal);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

/* Shiny Sweep Feixe Diagonal */
.btn-cta-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: rotate(25deg);
  pointer-events: none;
  transition: transform 0.75s ease;
}

.btn-cta-primary:hover {
  background-color: var(--accent-gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -3px var(--accent-gold-glow);
}

.btn-cta-primary:hover::after {
  transform: rotate(25deg) translate(280%, 0);
}

.btn-cta-primary:active {
  transform: translateY(0);
}

.btn-cta-primary svg {
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.btn-cta-primary:hover svg {
  transform: translateX(3px);
}

/* Botão Secundário Elegante */
.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  min-height: 46px;
  border-radius: 999px;
  background-color: transparent;
  color: var(--accent-gold-dark);
  border: 1.5px solid var(--accent-gold);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.btn-cta-secondary:hover {
  background-color: var(--accent-gold-soft);
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION (Totalmente Centralizada, Proporção Perfeita, Sem Vácuos)
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 28px);
  padding-bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge-container {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(143, 147, 112, 0.12);
  border: 1px solid rgba(143, 147, 112, 0.25);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-badge-text {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-gold-dark);
  letter-spacing: 0.04em;
}

.hero-portrait-frame {
  position: relative;
  width: 190px;
  height: 250px;
  margin: 0 auto 18px;
  border-radius: 95px 95px 75px 75px;
  overflow: hidden;
  box-shadow: 0 16px 40px -12px rgba(143, 147, 112, 0.32);
  border: 3px solid rgba(255, 255, 255, 0.85);
  background: var(--bg-surface);
}

.hero-portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  transition: transform 0.6s var(--ease-smooth);
}

.hero-portrait-frame:hover .hero-portrait-img {
  transform: scale(1.03);
}

.hero-title {
  font-size: clamp(1.65rem, 3.4vw, 2.45rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-main);
  max-width: 820px;
  margin: 0 auto 12px;
}

.hero-title .highlight-gold {
  color: var(--accent-gold);
  font-weight: 600;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.08rem);
  font-weight: 300;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero-microcopy {
  font-size: 0.82rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-microcopy svg {
  color: var(--accent-gold);
}

/* ==========================================================================
   BENDING MARQUEE (Efeito Obrigatório: Conector Contínuo Sem Vácuos)
   ========================================================================== */
.bending-marquee-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 12px 0;
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 50%, var(--bg-base) 100%);
  margin: 16px 0 24px;
}

.marquee-curve-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  transform: rotate(-0.6deg);
  border-top: 1px solid rgba(143, 147, 112, 0.2);
  border-bottom: 1px solid rgba(143, 147, 112, 0.2);
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(6px);
}

.marquee-track {
  display: flex;
  width: max-content;
  white-space: nowrap;
  animation: marqueeScroll 26s linear infinite;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 12px;
}

.marquee-item {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.marquee-separator {
  color: var(--accent-gold);
  font-size: 1rem;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   APRESENTAÇÃO & PROPOSTA (Com Scroll Mask)
   ========================================================================== */
.about-section {
  position: relative;
  padding: var(--section-pad-y) 0;
}

.about-card-central {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 24px;
  padding: 38px 32px;
  box-shadow: 0 16px 40px -12px var(--bg-card-glow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Scroll Mask no Retrato da Apresentação */
.scroll-mask-frame {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 3px solid var(--accent-gold);
  box-shadow: 0 10px 24px rgba(143, 147, 112, 0.22);
  position: relative;
}

.scroll-mask-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-quote {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 400;
  font-style: italic;
  color: var(--text-main);
  line-height: 1.55;
  margin-bottom: 16px;
  max-width: 680px;
}

.about-body-text {
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 22px;
}

.about-credentials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 18px;
  border-top: 1px solid rgba(143, 147, 112, 0.15);
  width: 100%;
}

.credential-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
}

.credential-item svg {
  color: var(--accent-gold);
  flex-shrink: 0;
}

/* ==========================================================================
   ATENDIMENTO E PROCESSO (Scroll Stack Fluido e Estável)
   ========================================================================== */
.process-section {
  position: relative;
  padding: var(--section-pad-y) 0;
}

.scroll-stack-wrapper {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.stack-card {
  position: sticky;
  background: #FFFFFF;
  border: 1px solid var(--bg-card-border);
  border-radius: 20px;
  padding: 30px 26px;
  box-shadow: 0 10px 30px -8px rgba(143, 147, 112, 0.14);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  margin-bottom: 16px;
}

.stack-card:nth-child(1) { top: 80px; z-index: 1; }
.stack-card:nth-child(2) { top: 96px; z-index: 2; }
.stack-card:nth-child(3) { top: 112px; z-index: 3; }
.stack-card:nth-child(4) { top: 128px; z-index: 4; }

.stack-step-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 8px;
}

.stack-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

.stack-card-desc {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 580px;
  margin: 0 auto;
}

/* ==========================================================================
   AVALIAÇÕES REAIS (Google 5,0)
   ========================================================================== */
.reviews-section {
  position: relative;
  padding: var(--section-pad-y) 0;
}

.reviews-score-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--bg-card-border);
  padding: 12px 28px;
  border-radius: 999px;
  margin-bottom: 30px;
}

.stars-row {
  display: flex;
  gap: 4px;
  color: var(--accent-gold);
}

.stars-score-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 900px;
  margin: 0 auto;
}

.review-item-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 18px;
  padding: 26px 22px;
  text-align: center;
  box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal);
}

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

.review-quote-text {
  font-size: 0.94rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
  font-style: italic;
}

.review-author {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.review-source {
  font-size: 0.75rem;
  color: var(--accent-gold);
  margin-top: 2px;
}

/* ==========================================================================
   LOCALIZAÇÃO E HORÁRIO
   ========================================================================== */
.location-section {
  position: relative;
  padding: var(--section-pad-y) 0;
}

.location-card {
  max-width: 780px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--bg-card-border);
  border-radius: 22px;
  padding: 36px 28px;
  box-shadow: 0 12px 34px -10px rgba(0, 0, 0, 0.04);
}

.location-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 18px;
  margin-bottom: 24px;
}

.info-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.info-block-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.info-block-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.info-block-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   FAQ (Perguntas Frequentes — Accordion Acessível)
   ========================================================================== */
.faq-section {
  position: relative;
  padding: var(--section-pad-y) 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-question-btn {
  width: 100%;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--text-main);
  text-align: left;
  transition: color var(--transition-normal);
}

.faq-question-btn:hover {
  color: var(--accent-gold-dark);
}

.faq-icon-arrow {
  color: var(--accent-gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 22px;
}

.faq-item.active .faq-answer-panel {
  max-height: 250px;
  padding-bottom: 18px;
}

.faq-answer-text {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.65;
  text-align: left;
}

/* ==========================================================================
   CTA FINAL (Acolhedor & Direto)
   ========================================================================== */
.final-cta-section {
  position: relative;
  padding: var(--section-pad-y) 0 60px;
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
}

.final-cta-card {
  max-width: 760px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--bg-card-border);
  border-radius: 26px;
  padding: 42px 28px;
  box-shadow: 0 18px 46px -18px var(--accent-gold-glow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align: center;
}

/* ==========================================================================
   RODAPÉ OFICIAL
   ========================================================================== */
.site-footer {
  position: relative;
  padding: 36px 0 80px;
  border-top: 1px solid rgba(143, 147, 112, 0.15);
  background: var(--bg-base);
  text-align: center;
}

.footer-brand {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.footer-subtitle {
  font-size: 0.84rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.footer-social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 18px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(143, 147, 112, 0.1);
  color: var(--accent-gold-dark);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--accent-gold);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-legal-text {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.65;
}

/* ==========================================================================
   BOTÃO FIXO WHATSAPP MOBILE (Mínimo, Não Cobre Conteúdo)
   ========================================================================== */
.floating-whatsapp-btn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 18px;
  z-index: 999;
  align-items: center;
  gap: 8px;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 11px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  min-height: 46px;
  min-width: 46px;
  transition: transform 0.25s ease;
}

.floating-whatsapp-btn:active {
  transform: scale(0.96);
}

/* ==========================================================================
   RESPONSIVIDADE & MOBILE-FIRST AJUSTADO
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --header-height: var(--header-height-mobile);
    --section-pad-y: var(--section-pad-mobile);
  }

  .site-header {
    height: var(--header-height-mobile);
  }

  /* Ocultar navegação desktop e botão desktop na navbar */
  .nav-links {
    display: none;
  }

  .btn-nav {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .floating-whatsapp-btn {
    display: inline-flex;
  }

  .hero-section {
    padding-top: calc(var(--header-height-mobile) + 20px);
    padding-bottom: 24px;
  }

  .hero-portrait-frame {
    width: 160px;
    height: 210px;
    border-radius: 80px 80px 60px 60px;
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: 1.65rem;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 0.96rem;
    margin-bottom: 18px;
  }

  .about-card-central {
    padding: 28px 18px;
    border-radius: 20px;
  }

  .scroll-mask-frame {
    width: 140px;
    height: 140px;
    margin-bottom: 16px;
  }

  /* Desativar sticky e vácuos no mobile para fluidez natural */
  .scroll-stack-wrapper {
    gap: 12px;
  }

  .stack-card {
    position: relative !important;
    top: auto !important;
    padding: 24px 18px;
    margin-bottom: 0;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .location-info-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .location-card {
    padding: 28px 18px;
  }

  .final-cta-card {
    padding: 32px 18px;
  }

  .btn-cta-primary {
    width: 100%;
    max-width: 360px;
    padding: 14px 20px;
    font-size: 0.94rem;
  }

  .site-footer {
    padding-bottom: 84px; /* Espaço para o botão flutuante */
  }
}

@media (max-width: 430px) {
  .brand-name {
    font-size: 0.98rem;
  }

  .brand-specialty {
    font-size: 0.6rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-portrait-frame {
    width: 145px;
    height: 190px;
  }
}

@media (max-width: 360px) {
  .hero-portrait-frame {
    width: 135px;
    height: 175px;
  }

  .hero-title {
    font-size: 1.38rem;
  }

  .btn-cta-primary {
    font-size: 0.88rem;
    padding: 12px 16px;
  }
}

/* ==========================================================================
   ACESSIBILIDADE: PREFERS-REDUCED-MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .marquee-track {
    animation: none !important;
  }

  #ambient-canvas {
    display: none !important;
  }

  .stack-card {
    position: static !important;
  }
}