/* ==========================================================================
   3DENT — Design System
   ========================================================================== */

:root {
  --color-primary: #123a5e;
  --color-primary-dark: #0a2338;
  --color-primary-light: #eaf0f5;
  --color-accent: #c9a227;
  --color-accent-dark: #a8841c;
  --color-ink: #14212e;
  --color-body: #45505c;
  --color-muted: #7a8794;
  --color-border: #e3e8ee;
  --color-surface: #ffffff;
  --color-surface-alt: #f6f9fc;

  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --container-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(20, 33, 46, 0.06);
  --shadow-md: 0 12px 32px rgba(20, 33, 46, 0.10);
  --shadow-lg: 0 24px 60px rgba(20, 33, 46, 0.14);
  --transition: 0.25s ease;
}

/* Reset
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-body);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-ink);
  margin: 0 0 0.5em;
  line-height: 1.2;
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 88px 0;
}

/* Utility */
.text-center { text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-head p { color: var(--color-muted); }
.bg-alt { background: var(--color-surface-alt); }

/* Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: inherit;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-gold {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}
.btn-gold:hover {
  background: var(--color-accent-dark);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 10px 4px;
}
.btn-ghost:hover { color: var(--color-primary-dark); }
.btn-ghost::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}
.btn-ghost:hover::after { transform: translateX(4px); }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header .container { max-width: 1360px; }
.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo-img { height: 38px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.nav-links .btn-primary { display: none; }

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-body);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.is-active { color: var(--color-primary); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 0;
  background: var(--color-accent);
  transition: width var(--transition);
}
.nav-links a:hover::after { width: 100%; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-phone {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  display: none;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mega-menu (Especialidades / Tratamentos)
   ========================================================================== */
.nav-item-mega { position: relative; }
.nav-link-mega {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-body);
  cursor: pointer;
  padding: 6px 0;
  transition: color var(--transition);
}
.nav-link-mega:hover,
.nav-link-mega.is-active { color: var(--color-primary); }
.nav-chevron { font-size: 0.7rem; transition: transform var(--transition); }
.nav-item-mega.is-open .nav-chevron { transform: rotate(180deg); }

.mega-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  /* padding-top (em vez de "top: calc(100% + 18px)") funciona como ponte
     invisível: mantém o hover ativo enquanto o rato desce até ao menu,
     sem o "buraco" onde o dropdown fechava antes de lá chegar. */
  padding-top: 18px;
  width: 740px;
  z-index: 50;
}
.nav-item-mega.is-open .mega-dropdown { display: block; }
.mega-dropdown-inner {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}
.mega-dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 24px;
}
.mega-dropdown-grid-3 {
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 20px;
}
.mega-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  color: var(--color-body);
  transition: background var(--transition), color var(--transition);
}
.mega-item:hover { background: var(--color-primary-light); color: var(--color-primary); }
.mega-item-thumb {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.mega-dropdown-foot {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 24px;
}
.mega-dropdown-foot a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.mega-dropdown-wide { width: 860px; }
.mega-dropdown-wide .mega-dropdown-cols { display: flex; gap: 32px; }
.mega-dropdown-col { flex: 1; }
.mega-dropdown-heading {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  .nav-item-mega { width: 100%; }
  .nav-link-mega { width: 100%; justify-content: space-between; padding: 10px 0; }
  .mega-dropdown,
  .mega-dropdown-wide {
    position: static;
    width: 100%;
    padding: 0;
    display: none;
  }
  .mega-dropdown-inner {
    box-shadow: none;
    border-radius: 0;
    padding: 0 0 0 12px;
  }
  .mega-dropdown-wide .mega-dropdown-cols { flex-direction: column; gap: 16px; }
  .mega-dropdown-foot { flex-direction: column; gap: 8px; }
  .nav-item-mega.is-open .mega-dropdown,
  .nav-item-mega.is-open .mega-dropdown-wide { display: block; }
  .mega-dropdown-grid,
  .mega-dropdown-grid-3 { grid-template-columns: 1fr; }
}

/* Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 35, 56, 0.94) 0%, rgba(10, 35, 56, 0.72) 45%, rgba(10, 35, 56, 0.28) 100%);
}
.hero .container {
  position: relative;
  z-index: 1;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero-copy { max-width: 560px; }
.hero-copy .eyebrow { background: rgba(255, 255, 255, 0.12); color: #fff; }
.hero-copy h1 { color: #fff; }
.hero-copy p.lead {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Page header (páginas internas) */
.page-hero {
  padding: 72px 0 56px;
  background: var(--color-primary-light);
  text-align: center;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { color: var(--color-body); max-width: 560px; margin: 0 auto; }
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--color-primary); }

/* Variante escura do page-hero, texto alinhado à esquerda (ex: Especialidades) */
.page-hero-dark {
  padding: 72px 0 64px;
  background: var(--color-primary-dark);
  color: #fff;
  text-align: left;
}
.page-hero-dark h1 { color: var(--color-accent); margin-bottom: 16px; }
.page-hero-dark p { color: rgba(255, 255, 255, 0.82); max-width: 680px; margin: 0; font-size: 1.05rem; }
.page-hero-dark .breadcrumb { color: rgba(255, 255, 255, 0.6); }
.page-hero-dark .breadcrumb a { color: #fff; }

/* Grid de especialidades com revelação de descrição no hover
   ========================================================================== */
.specialty-grid { gap: 24px; }
.specialty-grid-card {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.specialty-grid-card:hover,
.specialty-grid-card:focus-within { box-shadow: var(--shadow-md); }

.specialty-grid-face {
  position: absolute;
  inset: 0;
  transition: opacity var(--transition);
}
.specialty-grid-face img { width: 100%; height: 100%; object-fit: cover; }
.specialty-grid-face::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 35, 56, 0) 35%, rgba(10, 35, 56, 0.88) 100%);
}
.specialty-grid-card:hover .specialty-grid-face,
.specialty-grid-card:focus-within .specialty-grid-face { opacity: 0; }

.specialty-grid-detail {
  position: absolute;
  inset: 0;
  background: var(--color-surface);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.specialty-grid-card:hover .specialty-grid-detail,
.specialty-grid-card:focus-within .specialty-grid-detail { opacity: 1; }
.specialty-grid-detail h3 { color: var(--color-ink); margin-bottom: 10px; }
.specialty-grid-detail p { color: var(--color-muted); font-size: 0.9rem; margin-bottom: 16px; }
.specialty-grid-detail .card-link { margin-top: 0; }

/* Carrossel de Especialidades
   ========================================================================== */
.carousel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}
.carousel-head .section-head { margin: 0; text-align: left; max-width: 640px; }
.carousel-controls { display: flex; gap: 10px; flex-shrink: 0; }
.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.carousel-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.carousel-btn:disabled { opacity: 0.35; cursor: default; }
.carousel-btn:disabled:hover { background: var(--color-surface); color: var(--color-primary); }

.specialty-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  /* Sai da largura do .container e ocupa toda a largura da janela,
     mantendo o primeiro cartão alinhado com o título acima. */
  position: relative;
  left: 50%;
  right: 50%;
  width: 100vw;
  margin-left: -50vw;
  margin-right: -50vw;
  box-sizing: border-box;
  padding-left: 0;
  padding-right: 0;
}
.specialty-track::-webkit-scrollbar { display: none; }

.specialty-card {
  position: relative;
  flex: 0 0 280px;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.specialty-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.specialty-card img { width: 100%; height: 100%; object-fit: cover; }
.specialty-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 35, 56, 0) 35%, rgba(10, 35, 56, 0.88) 100%);
}
.specialty-card-arrow {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  backdrop-filter: blur(4px);
  transition: background var(--transition);
}
.specialty-card:hover .specialty-card-arrow { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary-dark); }
.specialty-card-label {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 1;
  color: #fff;
}
.specialty-card-label h3 { color: #fff; margin-bottom: 4px; font-size: 1.05rem; }
.specialty-card-label p { color: rgba(255, 255, 255, 0.82); font-size: 0.83rem; margin: 0; }

/* Cards / Grids
   ========================================================================== */
.grid {
  display: grid;
  gap: 28px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 0; }
.card-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
}

.media-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.media-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.media-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.media-card-body { padding: 22px 24px; }
.media-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}
/* Slider Antes/Depois (comparação de casos clínicos)
   ========================================================================== */
.compare-slider {
  --pos: 50%;
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  user-select: none;
  cursor: ew-resize;
  touch-action: pan-y;
}
.compare-slider img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.compare-after img { }
.compare-before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
.compare-tag {
  position: absolute;
  top: 16px;
  z-index: 2;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(10, 35, 56, 0.55);
  padding: 6px 14px;
  border-radius: 999px;
  pointer-events: none;
}
.compare-tag-before { left: 16px; }
.compare-tag-after { right: 16px; }
.compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 3px;
  background: #fff;
  transform: translateX(-50%);
  z-index: 3;
  pointer-events: none;
}
.compare-handle-grip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--color-primary-dark);
  font-size: 0.8rem;
}
.compare-caption {
  padding: 18px 24px 22px;
}

/* Casos Clínicos: info do caso + equipa clínica
   ========================================================================== */
.case-info {
  padding: 18px 24px 24px;
}
.case-info p {
  font-size: 0.9rem;
  color: var(--color-body);
  margin-bottom: 16px;
}
.case-team {
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}
.case-team-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 4px;
}
.case-team-name {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-ink);
  margin-bottom: 10px;
}
.tag-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-pill {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 999px;
}

/* Acordeão (secção "Inovação e Investigação")
   ========================================================================== */
.accordion-list { max-width: 760px; margin: 0 auto; }
.accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.accordion-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 4px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: #fff;
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.accordion-item[open] summary::after { transform: rotate(45deg); }
.accordion-item p {
  color: rgba(255, 255, 255, 0.75);
  padding: 0 4px 20px;
  margin: 0;
}

/* Blog: filtro por categoria + pesquisa
   ========================================================================== */
.blog-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.blog-filter-bar select,
.blog-filter-bar input {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-body);
}
.blog-filter-bar select { min-width: 200px; }
.blog-filter-bar input { min-width: 240px; }
.media-card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

/* Formulário de contacto reutilizável (lead-form) nas páginas individuais
   ========================================================================== */
.lead-form h3 {
  margin-bottom: 20px;
  font-size: 1.3rem;
}
.lead-form-check,
.lead-form-radio {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-body);
  cursor: pointer;
}
.lead-form-check { margin-top: 20px; }
.lead-form-check input,
.lead-form-radio input { margin-top: 3px; flex-shrink: 0; }
.lead-form-consent {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}
.lead-form-consent p {
  font-size: 0.85rem;
  color: var(--color-body);
  margin-bottom: 10px;
}
.lead-form-consent .lead-form-radio {
  display: inline-flex;
  margin-right: 20px;
}

/* Hero das páginas individuais de especialidade/tratamento/patologia
   (foto de fundo + formulário sobreposto)
   ========================================================================== */
.detail-hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.detail-hero-bg { position: absolute; inset: 0; z-index: 0; }
.detail-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.detail-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 35, 56, 0.88) 0%, rgba(10, 35, 56, 0.55) 55%, rgba(10, 35, 56, 0.2) 100%);
}
.detail-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-top: 56px;
  padding-bottom: 56px;
}
.detail-hero-copy { color: #fff; max-width: 560px; }
.detail-hero-copy .breadcrumb { color: rgba(255, 255, 255, 0.65); }
.detail-hero-copy .breadcrumb a { color: #fff; }
.detail-hero-copy .eyebrow { background: rgba(255, 255, 255, 0.12); color: #fff; }
.detail-hero-copy h1 { color: #fff; margin-bottom: 16px; }
.detail-hero-copy p { color: rgba(255, 255, 255, 0.85); font-size: 1.05rem; }

@media (max-width: 900px) {
  .detail-hero .container { grid-template-columns: 1fr; }
  .detail-hero { min-height: 0; padding: 40px 0; }
}

.check-list {
  display: grid;
  gap: 14px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--color-body);
}
.check-list li::before {
  content: "✓";
  color: var(--color-accent-dark);
  font-weight: 700;
}

/* Secção "Sobre X" das páginas individuais: texto + foto lado a lado
   ========================================================================== */
.detail-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.detail-content-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.detail-content-media img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 900px) {
  .detail-content { grid-template-columns: 1fr; }
  .detail-content-media { order: -1; aspect-ratio: 16/9; }
}

.media-card-meta {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 10px;
}

/* Stats
   ========================================================================== */
.stats {
  background: var(--color-primary-dark);
  color: #fff;
}
.stats .grid { grid-template-columns: repeat(4, 1fr); text-align: center; }
.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #fff;
}
.stat-number span { color: var(--color-accent); }
.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 6px;
}

/* Feature / Treatment highlight
   ========================================================================== */
.feature {
  background: var(--color-ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.feature .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature h2 { color: #fff; }
.feature p { color: rgba(255, 255, 255, 0.75); }
.feature .eyebrow { background: rgba(255, 255, 255, 0.12); color: #fff; }
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.feature-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.feature-list {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}
.feature-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}
.feature-list li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
}

/* Variante clara, só texto (sem imagem) — usada no destaque All-on-4 da Home */
.feature-plain {
  background: var(--color-surface);
  color: inherit;
  text-align: center;
}
.feature-plain .container {
  display: block;
  max-width: 720px;
}
.feature-plain h2 { color: var(--color-ink); }
.feature-plain p { color: var(--color-body); }
.feature-plain .feature-list {
  display: inline-grid;
  text-align: left;
  margin: 24px auto 0;
}
.feature-plain .feature-list li { color: var(--color-body); }
.feature-plain .hero-actions,
.feature-plain div[style] { justify-content: center; }

/* CTA banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); max-width: 520px; margin: 0 auto 28px; }

/* Cartão CTA flutuante (secção "Na 3dent..." da Home) */
.cta-card-wrap { background: var(--color-surface-alt); }
.cta-card {
  background: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: stretch;
  box-shadow: var(--shadow-lg);
}
.cta-card-media { height: 340px; }
.cta-card-media img { width: 100%; height: 100%; object-fit: cover; }
.cta-card-body {
  padding: 48px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cta-card-body h2 { color: #fff; }
.cta-card-body p { color: rgba(255, 255, 255, 0.8); }

/* Testimonials
   ========================================================================== */
.testimonials { background: var(--color-surface-alt); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.testimonial-card img { width: 100%; height: 100%; object-fit: cover; }
.testimonial-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 35, 56, 0) 20%, rgba(10, 35, 56, 0.92) 100%);
}
.testimonial-quote {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 62px;
  z-index: 1;
  color: #fff;
  font-size: 0.88rem;
  line-height: 1.4;
  font-style: italic;
}
.testimonial-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 1;
  color: #fff;
}
.testimonial-caption strong { display: block; font-family: var(--font-heading); }
.testimonial-caption span { font-size: 0.82rem; color: rgba(255, 255, 255, 0.75); }

/* Forms
   ========================================================================== */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-ink);
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-error {
  font-size: 0.78rem;
  color: #c0392b;
  min-height: 1em;
}
.form-field.has-error input,
.form-field.has-error textarea { border-color: #c0392b; }
.form-note {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 16px;
}
.form-success {
  display: none;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 20px;
}
.form-success.is-visible { display: block; }

/* Secção escura do formulário final "Marque a sua Consulta" */
.section-booking {
  background: var(--color-primary-dark);
  color: #fff;
}
.section-booking .section-head h2 { color: #fff; }
.section-booking .section-head p { color: rgba(255, 255, 255, 0.75); }
.section-booking .eyebrow { background: rgba(255, 255, 255, 0.12); color: #fff; }

/* Footer
   ========================================================================== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand-logo {
  display: inline-block;
  background: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}
.footer-brand-logo img { height: 34px; width: auto; display: block; }
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col a {
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: #fff; }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px 0;
  font-size: 0.8rem;
}
.footer-legal ul { display: flex; flex-wrap: wrap; gap: 20px; }

/* Reveal on scroll
   ========================================================================== */
/* Progressive enhancement: conteúdo fica sempre visível por defeito.
   Só é escondido/animado se o JS confirmar que corre (classe .js-ready
   no <html>), para nunca depender do JS para mostrar conteúdo. */
.reveal {
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
}
.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive
   ========================================================================== */
@media (min-width: 900px) {
  .nav-phone { display: block; }
}

@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .feature .container { grid-template-columns: 1fr; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-card { grid-template-columns: 1fr; }
  .cta-card-media { height: 220px; }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    inset: 72px 0 0 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 20px;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .nav-actions .btn-primary { display: none; }
  .nav-links .btn-primary {
    display: inline-flex;
    margin-top: 8px;
  }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; }
  .hero { min-height: 560px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .cta-card-body { padding: 32px 24px; }
}