/* ==================================================================
   ÍNDICE
   1. Reset & Variáveis (Design Tokens)
   2. Base / Tipografia
   3. Utilitários (container, eyebrow, botões)
   4. Header / Navegação
   5. Hero
   6. Perfil do médico
   7. Artigo em destaque (Transtorno Bipolar)
   8. Especialidade / Acordeão
   9. Sua Saúde / Cards
   10. Contato
   11. Footer
   12. WhatsApp flutuante & Voltar ao topo
   13. Responsividade (Media Queries)
   14. Acessibilidade (foco, reduced motion)
================================================================== */

/* ------------------------------------------------------------------
   1. RESET & VARIÁVEIS (DESIGN TOKENS)
   Paleta atualizada conforme a nova identidade visual do cliente:
   azul-marinho profundo (confiança/profissionalismo) em degradê para
   ciano/turquesa (clareza/tecnologia), espelhando o gradiente do
   ícone "cérebro" da marca.
------------------------------------------------------------------ */
:root {
  /* Cores principais */
  --color-bg: #F6F9FB;          /* branco-azulado - fundo geral */
  --color-bg-alt: #ECF2F5;      /* azul-acinzentado claro - seções alternadas */
  --color-ink: #131C30;         /* azul-marinho quase preto - texto principal */
  --color-ink-soft: #4C5A70;    /* cinza-azulado - texto secundário */
  --color-primary: #0B2A5E;     /* azul-marinho da marca */
  --color-primary-light: #1E4A8C;
  --color-sage: #14B8AE;        /* ciano/turquesa da marca - acolhimento e clareza */
  --color-gold: #4FD8CC;        /* ciano claro - destaque sutil (substitui o dourado) */
  --color-white: #FFFFFF;
  --color-border: rgba(11, 42, 94, 0.1);

  /* Tipografia */
  --font-display: 'Lora', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamentos */
  --section-padding: 7rem 0;
  --container-width: 1180px;

  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;

  /* Sombra suave padrão */
  --shadow-soft: 0 10px 30px rgba(11, 42, 94, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

/* ------------------------------------------------------------------
   2. BASE / TIPOGRAFIA
------------------------------------------------------------------ */
body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary);
  line-height: 1.2;
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.6rem; color: var(--color-primary-light); }

p { color: var(--color-ink-soft); }

/* ------------------------------------------------------------------
   3. UTILITÁRIOS
------------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-sage);
  margin-bottom: 0.8rem;
}

.center { text-align: center; margin-left: auto; margin-right: auto; }

.btn {
  display: inline-block;
  padding: 0.9rem 1.9rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: var(--color-primary);
  color: var(--color-primary);
  margin-left: 0.8rem;
}
.btn-ghost:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ------------------------------------------------------------------
   4. HEADER / NAVEGAÇÃO (sticky)
------------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(246, 249, 251, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-medium);
}

.site-header.scrolled {
  background-color: rgba(246, 249, 251, 0.97);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo img { height: 50px; width: auto; }

.main-nav ul {
  display: flex;
  gap: 1.7rem;
  align-items: center;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-ink);
  position: relative;
  padding-bottom: 4px;
  transition: var(--transition-fast);
}

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

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

.nav-cta {
  background-color: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.55rem 1.3rem;
  border-radius: 4px;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background-color: var(--color-primary-light); }

/* Botão hambúrguer (escondido no desktop) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.hamburger span {
  width: 26px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}
/* Estado "aberto" do hambúrguer transforma em "X" */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------------------------------------------
   5. HERO
------------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 76px;
}

.hero-title { margin-bottom: 1.2rem; }

.hero-subtitle {
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 2.2rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* Elemento de assinatura: anéis concêntricos que "respiram" lentamente,
   simbolizando calma e regulação emocional - tema central da psiquiatria */
.breathing-rings {
  position: absolute;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  z-index: 1;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-sage);
  opacity: 0.35;
  animation: breathe 8s ease-in-out infinite;
}

.ring-1 { width: 600px; height: 600px; top: 0; left: 0; animation-delay: 0s; }
.ring-2 { width: 420px; height: 420px; top: 90px; left: 90px; animation-delay: 1.3s; }
.ring-3 { width: 240px; height: 240px; top: 180px; left: 180px; animation-delay: 2.6s; border-color: var(--color-gold); }

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.25; }
  50% { transform: scale(1.06); opacity: 0.5; }
}

/* ------------------------------------------------------------------
   6. PERFIL DO MÉDICO
------------------------------------------------------------------ */
.profile { padding: var(--section-padding); background-color: var(--color-white); }

.profile-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.profile-figure img {
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4/5;
}

.crm {
  display: block;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--color-sage);
  font-weight: 500;
  margin-top: 0.3rem;
}

.profile-list { margin: 1.5rem 0; display: flex; flex-direction: column; gap: 0.9rem; }
.profile-list li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-ink-soft);
}
.profile-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  background-color: var(--color-sage);
  border-radius: 50%;
}

.contact-block {
  font-style: normal;
  border-left: 3px solid var(--color-sage);
  padding-left: 1.2rem;
  margin-top: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.8;
}
.contact-block a { color: var(--color-primary); font-weight: 600; }
.contact-block a:hover { text-decoration: underline; }

/* ------------------------------------------------------------------
   7. ARTIGO EM DESTAQUE (Transtorno Bipolar)
------------------------------------------------------------------ */
.feature-article { padding: var(--section-padding); background-color: var(--color-bg-alt); }

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: start;
}

.feature-figure img {
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 110px;
  width: 100%;
  height: auto;
  display: block;
}

.feature-content h3 { margin-top: 1.6rem; }

.signal-list { margin: 1rem 0 1.4rem; display: flex; flex-direction: column; gap: 0.7rem; }
.signal-list li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-ink-soft);
}
.signal-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

/* ------------------------------------------------------------------
   8. ESPECIALIDADE / ACORDEÃO
------------------------------------------------------------------ */
.specialty { padding: var(--section-padding); background-color: var(--color-white); }

.specialty h2 { max-width: 700px; }

.accordion {
  max-width: 800px;
  margin: 3rem auto 0;
  border-top: 1px solid var(--color-border);
}

.accordion-item { border-bottom: 1px solid var(--color-border); }

.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-primary);
  padding: 1.4rem 2.4rem 1.4rem 0;
  position: relative;
  transition: var(--transition-fast);
}

.accordion-trigger:hover { color: var(--color-primary-light); }

/* Ícone "+" / "-" criado em CSS puro (sem imagens) */
.accordion-trigger::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--color-sage);
  transition: var(--transition-fast);
}

.accordion-trigger[aria-expanded="true"]::after {
  content: '–';
}

.accordion-panel {
  padding: 0 2.4rem 1.6rem 0;
  max-width: 680px;
}

.pull-quote {
  margin: 4rem auto 0;
  max-width: 700px;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--color-primary);
  line-height: 1.5;
}

/* ------------------------------------------------------------------
   8b. MEMÓRIA E ENVELHECIMENTO (acordeão + caixa de destaque)
------------------------------------------------------------------ */
.memory-section { padding: var(--section-padding); background-color: var(--color-bg-alt); }

.memory-section h2 { max-width: 760px; }

.memory-intro { max-width: 760px; margin-bottom: 1rem; }

.help-box {
  margin-top: 1.4rem;
  padding: 1.2rem 1.6rem;
  background-color: rgba(20, 184, 174, 0.1);
  border-left: 3px solid var(--color-sage);
  border-radius: 6px;
  max-width: 680px;
}
.help-box strong { color: var(--color-primary); }
.help-box p { margin: 0; color: var(--color-ink-soft); }

/* ------------------------------------------------------------------
   8c. PARA FAMILIARES E CUIDADORES
------------------------------------------------------------------ */
.caregivers-section { padding: var(--section-padding); background-color: var(--color-white); }

.caregivers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.caregivers-content h2 { max-width: 520px; }

.caregivers-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.caregivers-list li {
  padding: 1rem 1.2rem;
  background-color: var(--color-bg-alt);
  border-radius: 8px;
  color: var(--color-ink-soft);
  position: relative;
  padding-left: 2.4rem;
}

.caregivers-list li::before {
  content: '✓';
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--color-sage);
  font-weight: 700;
}

.caregivers-note {
  margin-top: 1.6rem;
  font-style: italic;
  color: var(--color-primary-light);
}

/* ------------------------------------------------------------------
   8d. O QUE ESPERAR DA PRIMEIRA CONSULTA
------------------------------------------------------------------ */
.first-visit-section { padding: var(--section-padding); background-color: var(--color-bg-alt); }

.first-visit-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.first-visit-content h2 { max-width: 560px; }

.tip-card {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}
.tip-card p { color: rgba(255,255,255,0.85); margin: 0; }
.tip-card .eyebrow { color: var(--color-gold); }

/* ------------------------------------------------------------------
   9. SUA SAÚDE / CARDS
------------------------------------------------------------------ */
.health-cards { padding: var(--section-padding); background-color: var(--color-bg-alt); }

.health-cards h2 { max-width: 700px; }

.cards-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
}

.card {
  background-color: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-medium);
}

.card:hover { transform: translateY(-6px); }

.card img { width: 100%; height: 170px; object-fit: cover; }

.card h3 { padding: 1.2rem 1.2rem 0; }

.card p { padding: 0.4rem 1.2rem 1.4rem; font-size: 0.92rem; }

/* ------------------------------------------------------------------
   10. CONTATO
------------------------------------------------------------------ */
.contact-section { padding: var(--section-padding); background-color: var(--color-primary); }

.contact-section .eyebrow { color: var(--color-gold); }
.contact-section h2 { color: var(--color-white); }
.contact-lead { color: rgba(255,255,255,0.75); margin-bottom: 1.6rem; max-width: 420px; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

.contact-info address {
  font-style: normal;
  color: rgba(255,255,255,0.9);
  line-height: 1.9;
}
.contact-info address a { color: var(--color-gold); font-weight: 600; }
.contact-info address a:hover { text-decoration: underline; }

.social-link {
  display: inline-block;
  margin-top: 1.8rem;
  color: var(--color-white);
  font-weight: 600;
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 2px;
}

.contact-map {
  border-radius: 8px;
  overflow: hidden;
  min-height: 320px;
  box-shadow: var(--shadow-soft);
}
.contact-map iframe { width: 100%; height: 100%; min-height: 320px; }

/* ------------------------------------------------------------------
   11. FOOTER
------------------------------------------------------------------ */
.site-footer { background-color: #081A36; padding: 2.2rem 0; }

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
}

.footer-credit a {
  color: rgba(255,255,255,0.6);
  text-decoration: underline;
}

.footer-credit a:hover { color: #fff; }

/* ------------------------------------------------------------------
   12. WHATSAPP FLUTUANTE & VOLTAR AO TOPO
------------------------------------------------------------------ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background-color: #25D366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  z-index: 999;
  transition: var(--transition-fast);
}
.whatsapp-float:hover { transform: scale(1.08); }

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 98px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0,0,0,0.2);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: var(--transition-fast);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ------------------------------------------------------------------
   13. RESPONSIVIDADE (MEDIA QUERIES)
------------------------------------------------------------------ */

/* Tablets */
@media (max-width: 992px) {
  .profile-grid,
  .feature-grid,
  .contact-grid,
  .caregivers-grid,
  .first-visit-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .feature-figure img { position: static; }

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

  .breathing-rings { display: none; } /* simplifica em telas menores */
}

/* Celulares e ativação do menu mobile */
@media (max-width: 768px) {
  :root { --section-padding: 4.5rem 0; }

  .hamburger { display: flex; }

  /* Menu mobile: painel deslizante a partir da direita */
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background-color: var(--color-bg);
    box-shadow: -10px 0 30px rgba(0,0,0,0.12);
    transition: right var(--transition-medium);
    padding-top: 100px;
  }
  .main-nav.open { right: 0; }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.6rem;
    padding: 0 2rem;
  }

  .nav-cta { width: 100%; text-align: center; }

  .hero-inner { padding-top: 60px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn-ghost { margin-left: 0; }

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

  .contact-map { min-height: 260px; }
  .contact-map iframe { min-height: 260px; }

  .footer-inner { flex-direction: column; text-align: center; }

  .whatsapp-float { width: 52px; height: 52px; bottom: 18px; right: 18px; }
  .back-to-top { width: 42px; height: 42px; bottom: 18px; right: 82px; }
}

/* ------------------------------------------------------------------
   14. ACESSIBILIDADE
------------------------------------------------------------------ */

/* Foco visível para navegação via teclado */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-sage);
  outline-offset: 3px;
}

/* Respeita usuários que preferem menos animação */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ring { animation: none; }
  * { transition-duration: 0.01ms !important; }
}