/* ==========================================================================
   Clínica Dentária Graça Ferraz — Contactos (CSS Autónomo)
   Direção Visual: Editorial Institucional Português / Wayfinding Clínico
   ========================================================================== */

/* --- Tokens & Variáveis Globais --- */
:root {
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Paleta Editorial Específica */
  --bg-primary: #F4F0EA;        /* Marfim base */
  --bg-surface: #FFFDF9;        /* Superfície clara */
  --bg-archive: #E9E5DD;        /* Papel de arquivo */
  --bg-dark: #1E1D1A;           /* Carvão profundo */
  --bg-dark-surface: #262421;   /* Superfície escura secundária */
  --petroleo: #36545A;          /* Petróleo documental */
  
  --text-main: #1E1D1A;         /* Carvão */
  --text-muted: #544E47;        /* Texto muted de alto contraste */
  --text-light: #F4F0EA;        /* Texto claro sobre fundo escuro */
  --text-light-muted: #C4BCB3;  /* Muted sobre fundo escuro */

  --border-subtle: #D8D0C6;     /* Linha editorial fina */
  --border-dark: #38342E;       /* Linha sobre escuro */
  --border-petroleo: #36545A;   /* Linha petróleo documental */
  
  --action: #6E5647;            /* Ação primária / Castanho profundo */
  --action-hover: #564336;      /* Hover ação primária */
  --action-dark-bg: #1E1D1A;    /* Fundo bloco telefone */

  /* Estrutura & Layout */
  --container-max: 1200px;
  --header-height: 80px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: auto;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* --- Acessibilidade & Foco --- */
:focus-visible {
  outline: 2px solid var(--action);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--text-main);
  color: var(--bg-surface);
  padding: 10px 18px;
  z-index: 9999;
  font-weight: 500;
  border-radius: var(--radius-xs);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 20px;
}

/* --- Tipografia Global --- */
.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

/* --- Layout Utilitário --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-padding {
  padding-top: 80px;
  padding-bottom: 80px;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--action);
  margin-bottom: 16px;
}

/* --- Botões Editoriais --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-xs);
  min-height: 48px;
  transition: var(--transition-smooth);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--action);
  color: var(--bg-surface);
  border: 1px solid var(--action);
}

.btn-primary:hover {
  background-color: var(--action-hover);
  border-color: var(--action-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background-color: rgba(30, 29, 26, 0.04);
  border-color: var(--text-main);
}

.btn-white {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--bg-surface);
}

.btn-white:hover {
  background-color: var(--bg-primary);
  border-color: var(--bg-primary);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--action);
  border-bottom: 1px solid var(--action);
  padding-bottom: 2px;
  transition: var(--transition-smooth);
}

.btn-text:hover {
  color: var(--action-hover);
  border-bottom-color: var(--action-hover);
}

/* ==========================================================================
   Header Institucional (Compatível com o ecossistema)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(244, 240, 234, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.brand-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-location {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.nav-desktop {
  display: none;
}

@media (min-width: 960px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 24px;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link.is-active {
  color: var(--text-main);
  font-weight: 600;
}

.nav-link.is-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--action);
}

.header-actions {
  display: none;
}

@media (min-width: 960px) {
  .header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
  }
}

@media (min-width: 960px) and (max-width: 1180px) {
  .header-inner {
    padding-left: 16px;
    padding-right: 16px;
    gap: 12px;
  }

  .nav-desktop {
    gap: 14px;
  }

  .header-actions {
    gap: 10px;
  }

  .header-phone span {
    display: none;
  }
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
}

.header-phone:hover {
  color: var(--action);
}

.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  background: var(--bg-surface);
}

@media (min-width: 960px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Drawer Mobile */
.mobile-menu-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  z-index: 999;
}

.mobile-menu-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-drawer .nav-link {
  font-size: 1.125rem;
  padding: 12px 0;
  border-bottom: 1px solid rgba(216, 208, 198, 0.5);
  color: var(--text-main);
}

/* ==========================================================================
   Sessão 01: #hero (Imagem principal: contacto-ambiente-real.jpg)
   ========================================================================== */
.contactos-hero-section {
  padding-top: 56px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--border-subtle);
}

.contactos-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 860px) {
  .contactos-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
  }
}

.contactos-hero-content {
  display: flex;
  flex-direction: column;
}

.contactos-location-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}

.contactos-hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 500;
  line-height: 1.08;
  margin-bottom: 24px;
  color: var(--text-main);
}

.contactos-hero-support {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 36px;
  max-width: 580px;
}

.contactos-hero-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

@media (min-width: 480px) {
  .contactos-hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

.contactos-hero-practical {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-practical-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-practical-item:last-child {
  border-bottom: 0;
}

.hero-practical-item:hover strong {
  color: var(--action);
}

.hero-practical-item span {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-practical-item strong {
  max-width: 42ch;
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.45;
  transition: color 0.2s ease;
}

@media (min-width: 640px) {
  .contactos-hero-practical {
    grid-template-columns: 0.9fr 1.2fr 1.3fr;
  }

  .hero-practical-item {
    min-height: 76px;
    padding: 14px 16px;
    border-right: 1px solid var(--border-subtle);
    border-bottom: 0;
  }

  .hero-practical-item:first-child {
    padding-left: 0;
  }

  .hero-practical-item:last-child {
    padding-right: 0;
    border-right: 0;
  }
}

.contactos-hero-media {
  display: flex;
  flex-direction: column;
}

.contactos-hero-frame {
  position: relative;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  border-radius: var(--radius-xs);
  aspect-ratio: 4 / 3;
}

@media (min-width: 860px) {
  .contactos-hero-frame {
    aspect-ratio: 4 / 5;
  }
}

.contactos-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contactos-hero-caption {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 8px 2px 0 2px;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   Sessão 02: #contacto-direto
   ========================================================================== */
.contactos-direto-section {
  padding-top: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

.contactos-header-block {
  max-width: 680px;
  margin-bottom: 48px;
}

.contactos-section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 16px;
}

.contactos-section-body {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.contactos-channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .contactos-channels-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
  }
}

/* Cartão WhatsApp */
.channel-card-whatsapp {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 1px solid var(--petroleo);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
  border-radius: var(--radius-xs);
  transition: var(--transition-smooth);
}

.channel-card-whatsapp:hover {
  border-color: var(--petroleo);
}

.channel-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--petroleo);
  margin-bottom: 8px;
}

.channel-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 24px;
}

/* Cartão Telefone */
.channel-card-phone {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border: 1px solid var(--bg-dark);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
  border-radius: var(--radius-xs);
  transition: var(--transition-smooth);
}

.channel-card-phone .channel-label {
  color: var(--text-light-muted);
}

.channel-card-phone .channel-title {
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 24px;
}

.channel-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ==========================================================================
   Sessão 03: #horario-localizacao (Estritamente Editorial Tipográfica - SEM IMAGEM)
   ========================================================================== */
.contactos-horario-localizacao-section {
  padding-top: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-primary);
}

.horario-localizacao-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 860px) {
  .horario-localizacao-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
}

.editorial-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 40px 36px;
  border-radius: var(--radius-xs);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.editorial-card-title {
  font-size: 1.875rem;
  margin-bottom: 20px;
}

.editorial-card-highlight {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
}

.contactos-address {
  font-style: normal;
  font-size: 1.1875rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 24px;
  line-height: 1.5;
}

.editorial-card-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 16px;
  border-top: 1px solid rgba(216, 208, 198, 0.6);
  padding-top: 14px;
}

/* ==========================================================================
   Sessão 04: #primeiro-contacto
   ========================================================================== */
.contactos-primeiro-contacto-section {
  padding-top: 80px;
  padding-bottom: 80px;
  background-color: var(--bg-archive);
  border-bottom: 1px solid var(--border-subtle);
}

.steps-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
  position: relative;
}

@media (min-width: 860px) {
  .steps-track {
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
  }
}

.step-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  border-top: 1px solid var(--border-subtle);
}

.step-number {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 400;
  color: var(--action);
  line-height: 1;
  margin-bottom: 14px;
}

.step-text {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

/* ==========================================================================
   Sessão 05: #faq (Accordion Acessível)
   ========================================================================== */
.contactos-faq-section {
  padding-top: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

.faq-list {
  max-width: 840px;
  margin-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item-urgent {
  border-left: 1px solid var(--petroleo);
  padding-left: 16px;
  background-color: rgba(233, 229, 221, 0.42);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 24px 0;
  color: var(--text-main);
  background: none;
  cursor: pointer;
  gap: 16px;
}

.faq-question {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  color: var(--action);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer {
  padding-bottom: 24px;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 760px;
}

/* ==========================================================================
   Sessão 06: #fecho & Rodapé
   ========================================================================== */
.contactos-fecho-section {
  padding-top: 96px;
  padding-bottom: 96px;
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.fecho-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 860px) {
  .fecho-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
  }
}

.fecho-title {
  color: var(--text-light);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  margin-bottom: 20px;
}

.fecho-body {
  color: var(--text-light-muted);
  font-size: 1.125rem;
  line-height: 1.55;
  margin-bottom: 32px;
}

.fecho-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

@media (min-width: 480px) {
  .fecho-actions {
    flex-direction: row;
    align-items: center;
  }
}

.fecho-data-block {
  border-top: 1px solid var(--border-dark);
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fecho-data-item {
  font-size: 0.9375rem;
  color: var(--text-light-muted);
  line-height: 1.5;
}

.fecho-data-item strong {
  color: var(--text-light);
}

.fecho-data-item a {
  color: var(--text-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.fecho-data-item a:hover {
  color: var(--bg-primary);
}

/* Rodapé Institucional (Sem copyright/ano inventado) */
.site-footer {
  background-color: var(--bg-dark-surface);
  color: var(--text-light);
  border-top: 1px solid var(--border-dark);
  padding-top: 64px;
  padding-bottom: 120px; /* Espaço para a barra fixa mobile */
}

@media (min-width: 768px) {
  .site-footer {
    padding-bottom: 64px;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1.2fr;
    gap: 48px;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-light);
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-light-muted);
  line-height: 1.6;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--text-light-muted);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-light-muted);
}

.footer-link:hover, .footer-link.is-active {
  color: var(--text-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  font-size: 0.8125rem;
  color: var(--text-light-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Barra Fixa Mobile (Sticky Bar) */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 12px 16px;
  display: flex;
  gap: 12px;
  z-index: 900;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none;
  }
}

.mobile-sticky-bar .btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.875rem;
  min-height: 44px;
}

/* Microinterações e Scroll Reveal */
.fade-in-up {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.js-ready .fade-in-up {
  opacity: 0;
  transform: translateY(16px);
}

.js-ready .fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in-up,
  .js-ready .fade-in-up {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .faq-panel {
    transition: none !important;
  }
  .mobile-menu-drawer {
    transition: none !important;
  }
}