/* ==========================================================================
   DR. MARCELL NAVES | DESIGN SYSTEM & STYLES
   Paleta Oficial:
   - Azul-petróleo: #123B46
   - Off-white: #F7F5F0
   - Verde-azulado suave: #B7D2CF
   - Branco: #FFFFFF
   Tipografia: Newsreader (Editorial Serif) + Inter (Clean Sans)
   ========================================================================== */

:root {
  --color-primary: #123B46;
  --color-primary-dark: #0B252D;
  --color-primary-light: #1A5363;
  --color-primary-alpha: rgba(18, 59, 70, 0.08);
  --color-primary-border: rgba(18, 59, 70, 0.15);
  
  --color-bg: #F7F5F0;
  --color-bg-alt: #EFECE6;
  --color-white: #FFFFFF;
  
  --color-accent: #B7D2CF;
  --color-accent-soft: #DCE8E6;
  --color-accent-tint: rgba(183, 210, 207, 0.25);
  
  --color-text-main: #18282B;
  --color-text-muted: #516467;
  --color-text-light: #7E9093;

  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --container-max: 1200px;
  --container-narrow: 840px;
  --section-pad-y: 110px;
  --section-pad-y-sm: 70px;
  --header-height: 84px;

  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-sm: 4px;
  --border-radius-md: 6px;
  --border-radius-lg: 8px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Defaults */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

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

.section {
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
  position: relative;
}

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

.section-accent {
  background-color: var(--color-accent-tint);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.6;
}

.section-header.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Button & Action Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.9rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-primary-alpha);
  border-color: var(--color-primary);
}

.btn-whatsapp {
  background-color: #0E5E58;
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: #094541;
  color: #FFFFFF;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-primary-border);
  z-index: 1000;
  transition: background-color 0.2s ease;
}

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

/* Logo: Standalone, clean typography without duplicate slogans */
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2.2rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
  padding: 0.35rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width 0.25s ease;
}

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

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

.nav-cta {
  margin-left: 2.2rem;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

.mobile-nav-toggle svg {
  width: 26px;
  height: 26px;
  display: block;
}

/* ==========================================================================
   HERO SECTION
   - Editorial composition
   - Independent text and photo areas (NO text/buttons over photo)
   - Real doctor photography
   - Single standardized CTA: "Agendar consulta"
   ========================================================================== */
.hero {
  padding-top: 5rem;
  padding-bottom: 5.5rem;
  border-bottom: 1px solid var(--color-primary-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4.5rem;
  align-items: center;
}

.hero-content {
  max-width: 580px;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 500;
  line-height: 1.16;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.18rem;
  line-height: 1.68;
  color: var(--color-text-muted);
  margin-bottom: 2.4rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-primary-border);
  box-shadow: 0 10px 30px rgba(18, 59, 70, 0.05);
}

.hero-image {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

/* ==========================================================================
   ABOUT / CONHEÇA O MÉDICO
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-frame {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-primary-border);
  background-color: var(--color-bg-alt);
}

.about-image {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center top;
}

.about-content {
  padding-right: 1rem;
}

.about-title {
  font-size: 2.6rem;
  margin-bottom: 1.5rem;
}

.about-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.about-credentials {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-primary-border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.credential-item {
  display: flex;
  flex-direction: column;
}

.credential-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-light);
  margin-bottom: 0.35rem;
}

.credential-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-main);
  line-height: 1.4;
}

/* ==========================================================================
   PROCEDURES / PROCEDIMENTOS (Editorial Presentation)
   ========================================================================== */
.procedures-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.2rem;
}

.procedure-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--border-radius-sm);
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.procedure-item:hover {
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(18, 59, 70, 0.06);
}

.procedure-header {
  margin-bottom: 1.25rem;
}

.procedure-name {
  font-size: 1.7rem;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.procedure-summary {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 1.6rem;
  flex-grow: 1;
}

.procedure-meta {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-primary-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.procedure-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.procedure-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.procedure-item:hover .procedure-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   PATIENTS FROM OTHER CITIES / COUNTRIES
   "Seu atendimento, mesmo longe de casa."
   ========================================================================== */
.travel-section {
  border-top: 1px solid var(--color-primary-border);
  border-bottom: 1px solid var(--color-primary-border);
}

.travel-intro {
  margin-bottom: 3.5rem;
}

.travel-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.travel-step-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--border-radius-sm);
  padding: 2.2rem 1.8rem;
  position: relative;
}

.travel-step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-primary);
  opacity: 0.8;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.2rem;
}

.step-card-title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
}

.step-card-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.travel-clarification {
  margin-top: 3rem;
  padding: 1.8rem 2.2rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-primary-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius-sm);
}

.travel-clarification p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   HOW CARE WORKS / FLUXO DE ATENDIMENTO
   ========================================================================== */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: flow-counter;
}

.flow-item {
  border-top: 2px solid var(--color-primary);
  padding-top: 1.8rem;
  display: flex;
  flex-direction: column;
}

.flow-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 1rem;
}

.flow-title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.flow-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   CONTACT & SCHEDULING / CONTATO E AGENDAMENTO (PREMIUM CTA SECTION)
   ========================================================================== */
.contact-cta-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.contact-cta-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(18, 59, 70, 0.05);
}

.contact-cta-content {
  padding: 3.5rem 3.5rem 2.5rem;
  text-align: center;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-primary-border);
}

.contact-cta-title {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.contact-cta-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

.contact-cta-action {
  margin-bottom: 1.5rem;
}

.btn-large {
  padding: 1.15rem 2.8rem;
  font-size: 1.05rem;
}

.contact-cta-footnote {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.contact-cta-channels {
  padding: 2.2rem 3.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background-color: var(--color-bg);
}

.channel-row {
  display: flex;
  flex-direction: column;
}

.channel-row .channel-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-light);
  margin-bottom: 0.35rem;
}

.channel-row .channel-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
}

.channel-row .channel-value a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .contact-cta-content {
    padding: 2.5rem 1.5rem;
  }
  
  .contact-cta-channels {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 2rem 1.5rem;
  }
}

/* ==========================================================================
   FOOTER / RODAPÉ
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding-top: 4.5rem;
  padding-bottom: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-brand .footer-logo {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 360px;
}

.footer-title {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.4rem;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-nav-link {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-nav-link:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   PROCEDURE DETAIL INTERNAL PAGES
   ========================================================================== */
.page-hero {
  padding-top: 4.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--color-primary-border);
  background-color: var(--color-bg);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a {
  color: var(--color-primary);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 4rem;
  align-items: flex-start;
}

.detail-content h2 {
  font-size: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.detail-content h2:first-of-type {
  margin-top: 0;
}

.detail-content p {
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.detail-content ul {
  margin-bottom: 1.75rem;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

.detail-content li {
  margin-bottom: 0.6rem;
  line-height: 1.6;
}

.detail-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--border-radius-sm);
  padding: 2.2rem;
}

.sidebar-card-title {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 1.2rem;
}

.other-procedures-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.other-procedures-list a {
  font-size: 0.98rem;
  color: var(--color-text-main);
  display: block;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-primary-border);
}

.other-procedures-list a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Tablets & Mobile)
   ========================================================================== */
@media (max-width: 992px) {
  :root {
    --section-pad-y: 80px;
  }

  .hero-grid,
  .about-grid,
  .contact-grid,
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-title {
    font-size: 2.6rem;
  }

  .about-content {
    padding-right: 0;
  }

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad-y: 60px;
    --header-height: 72px;
  }

  .site-header .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    align-items: flex-start;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-bottom: 1px solid var(--color-primary-border);
    overflow-y: auto;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
  }

  .nav-link {
    font-size: 1.15rem;
    display: block;
    width: 100%;
    padding: 0.5rem 0;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 2rem;
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .hero {
    padding-top: 3.5rem;
    padding-bottom: 4rem;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .hero-image {
    height: 380px;
  }

  .about-image {
    height: 380px;
  }

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

  .travel-steps-grid,
  .flow-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}