/* ==========================================================
   INSTITUTO KARDIA — design tokens
   ========================================================== */
:root {
  --bg: #F8FAFD;
  --surface: #E8EDF5;
  --surface-2: #D9E1EE;
  --ink: #1E2B3B;
  --ink-soft: #526174;
  --primary: #657999;
  --primary-dark: #3C4F6B;
  --accent: #8A9CBA;
  --accent-soft: #DCE4F0;
  --line: #C8D3E2;
  --white: #FFFFFF;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --shadow-soft: 0 20px 50px -25px rgba(31, 42, 38, 0.25);
  --shadow-hover: 0 26px 60px -22px rgba(31, 42, 38, 0.32);

  --space-section: 7rem;
  --space-section-mobile: 4rem;
}

/* ==========================================================
   RESET
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink); margin: 0; font-weight: 500; }
p { margin: 0; }
button { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: var(--white);
  padding: 0.8rem 1.4rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 12px 28px -12px rgba(185, 113, 74, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(185, 113, 74, 0.6); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary-inverse {
  background: var(--accent);
  color: var(--white);
}
.btn-primary-inverse:hover { transform: translateY(-2px); }
.btn-ghost-inverse {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-ghost-inverse:hover { border-color: var(--white); }
.btn-small { padding: 0.7rem 1.4rem; font-size: 0.88rem; }
.text-link {
  display: inline-block;
  margin-top: 0.6rem;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 1.5px solid var(--accent-soft);
  transition: border-color 0.25s ease;
}
.text-link:hover { border-color: var(--accent); }
.specialty-trigger { cursor: pointer; }

/* ==========================================================
   HEADER
   ========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(248, 250, 253, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}
.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 8px 24px -18px rgba(31,42,38,0.4);
}
.header-inner {
  max-width: 1340px;
  margin: 0 auto;
  padding: 1.3rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  transition: padding 0.3s ease;
}
.site-header.is-scrolled .header-inner { padding-top: 0.9rem; padding-bottom: 0.9rem; }

.logo { display: inline-flex; align-items: center; width: 145px; height: 50px; overflow: hidden; flex-shrink: 0; }
.logo img { display: block; width: auto; height: 50px; max-width: none; object-fit: contain; transform: scale(1.35); transform-origin: left center; }

.main-nav ul { display: flex; gap: 0.85rem; }
.main-nav a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 2px;
  white-space: nowrap;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1.5px;
  background: var(--accent);
  transition: right 0.25s ease;
}
.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 0.85rem; flex-shrink: 0; }
.language-switcher { position: relative; }
.language-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 0.15rem; width: 44px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--primary-dark); cursor: pointer; }
.language-toggle img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.language-chevron { font-size: 0.9rem; line-height: 1; transform: translateY(-2px); transition: transform 0.2s ease; }
.language-toggle[aria-expanded="true"] .language-chevron { transform: translateY(1px) rotate(180deg); }
.menu-linguagem { position: absolute; top: calc(100% + 0.6rem); right: 0; z-index: 600; display: none; gap: 0.35rem; min-width: 54px; padding: 0.55rem; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--bg); box-shadow: var(--shadow-soft); }
.menu-linguagem.is-open { display: grid; }
.menu-linguagem a { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; }
.menu-linguagem a:hover, .menu-linguagem a:focus-visible { background: var(--accent-soft); }
.menu-linguagem img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
/* Força a ocultação total de todos os elementos e barras do Google Tradutor */
.goog-te-banner-frame, 
.goog-te-balloon-frame, 
#goog-gt-tt, 
.goog-te-ftgt, 
.goog-te-banner, 
.skiptranslate {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    height: 0 !important;
    pointer-events: none !important;
}

/* Trava o topo do corpo da página para o Google não empurrá-la para baixo */
body, html {
    top: 0 !important;
    position: static !important;
    min-height: 100% !important;
}

/* Remove qualquer destaque amarelo ou tooltip de tradução ao passar o mouse ou selecionar */
.goog-text-highlight {
    background: transparent !important;
    box-shadow: none !important;
}

.goog-tooltip {
    display: none !important;
}
.btn-whatsapp-mobile {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.menu-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--ink);
  margin: 0 auto;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================
   HERO
   ========================================================== */
.hero { padding: 4.5rem 0 5.5rem; overflow: hidden; }
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.9s ease 0.1s forwards;
}
.hero-subtitle {
  margin-top: 1.6rem;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.9s ease 0.3s forwards;
}
.hero-cta-group {
  margin-top: 2.2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.9s ease 0.45s forwards;
}
.hero-stats {
  margin-top: 2.6rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  align-items: baseline;
  color: var(--ink-soft);
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.9s ease 0.6s forwards;
}
.hero-stats strong { color: var(--primary-dark); font-family: var(--font-display); font-size: 1.1rem; margin-right: 0.3rem; }

.hero-media { position: relative; opacity: 0; animation: reveal 1.1s ease 0.2s forwards; }
.hero-image {
  aspect-ratio: 4/5;
  border-radius: var(--radius-l);
}

.hero-image-wrap {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.hero-image-wrap.is-playing .hero-video { opacity: 1; }
.hero-video-fallback {
  position: absolute;
  inset: 0;
  aspect-ratio: auto;
  border-radius: 0;
}
.hero-video-fallback small { display: block; margin-top: 0.4rem; opacity: 0.7; }
.hero-image-wrap.is-playing .hero-video-fallback { display: none; }

/* Respeita quem prefere menos movimento: mostra só a imagem/poster, sem autoplay */
@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
}

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

.placeholder-block {
  background: linear-gradient(155deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1.5px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.85rem;
  padding: 1rem;
}

/* ==========================================================
   TRUST STRIP
   ========================================================== */
.trust-strip {
  background: var(--primary-dark);
  color: var(--white);
}
.trust-strip-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.4rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem 2.4rem;
  font-size: 0.92rem;
}
.trust-item { display: flex; align-items: center; gap: 0.5rem; opacity: 0.92; }
.stars { color: var(--accent); letter-spacing: 1px; }

/* ==========================================================
   SECTION HEADING (shared)
   ========================================================== */
.section-heading { max-width: 60ch; margin-bottom: 3rem; }
.section-heading h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.2; }
.section-heading p { margin-top: 1rem; color: var(--ink-soft); }

/* ==========================================================
   ABOUT
   ========================================================== */
.about { padding: var(--space-section) 0; }
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}
.about-media { position: relative; }
.about-media::before {
  content: "";
  position: absolute;
  inset: 1.2rem -1.2rem -1.2rem 1.2rem;
  background: var(--accent-soft);
  border-radius: var(--radius-l);
  z-index: 0;
}
.about-image { position: relative; z-index: 1; aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius-l); }
.about-image img { width: 100%; max-width: none; height: 100%; object-fit: cover; object-position: center; }
.about-copy h2 { max-width: 16ch; }
.about-copy p { margin-top: 1.3rem; color: var(--ink-soft); max-width: 52ch; }
.about-copy p:first-of-type { margin-top: 1.6rem; }

/* ==========================================================
   SPECIALTIES
   ========================================================== */
.specialties { padding: var(--space-section) 0; background: var(--surface); }
.specialty-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.specialty-card {
  background: var(--bg);
  border-radius: var(--radius-m);
  overflow: hidden;
  padding: 0 1.7rem 1.8rem;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.specialty-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.specialty-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.specialty-image { width: calc(100% + 3.4rem); max-width: none; aspect-ratio: 16 / 10; height: auto; margin: 0 -1.7rem 1.5rem; object-fit: cover; }
.specialty-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.specialty-card p { color: var(--ink-soft); font-size: 0.94rem; }
.specialty-dialog { width: min(92vw, 560px); border: 0; border-radius: var(--radius-m); padding: 0; color: var(--ink); background: var(--bg); box-shadow: 0 25px 70px rgba(30, 43, 59, 0.32); }
.specialty-dialog::backdrop { background: rgba(30, 43, 59, 0.58); backdrop-filter: blur(3px); }
.dialog-content { padding: 3rem; }
.dialog-eyebrow { color: var(--primary); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.dialog-content h2 { margin-top: 0.5rem; font-size: clamp(1.7rem, 4vw, 2.2rem); }
.dialog-content > p:not(.dialog-eyebrow) { margin-top: 1rem; color: var(--ink-soft); }
.dialog-cta { margin-top: 1.8rem; }
.dialog-close { position: absolute; top: 0.8rem; right: 0.9rem; width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--surface); color: var(--ink); font-size: 1.8rem; line-height: 1; cursor: pointer; }
.dialog-close:hover { background: var(--accent-soft); }

/* ==========================================================
   METHOD
   ========================================================== */
.method { padding: var(--space-section) 0; }
.method-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  position: relative;
}
.method-list::before {
  content: "";
  position: absolute;
  top: 1.1rem;
  left: 4%;
  right: 4%;
  height: 1px;
  background: var(--line);
}
.method-step { position: relative; }
.method-number {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  background: var(--bg);
  width: fit-content;
  padding-right: 0.6rem;
}
.method-step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.method-step p { color: var(--ink-soft); font-size: 0.94rem; }

/* ==========================================================
   FACILITY (bento grid)
   ========================================================== */
.facility { padding: var(--space-section) 0; background: var(--surface); }
.facility-carousel {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 16 / 8;
}
.facility-carousel-track { position: relative; width: 100%; height: 100%; }
.facility-carousel-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 1.1s ease;
}
.facility-carousel-slide.is-active { opacity: 1; }
.facility-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 43, 59, 0.45);
  color: var(--white);
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}
.facility-carousel-arrow:hover { background: rgba(30, 43, 59, 0.7); }
.facility-carousel-prev { left: 1rem; }
.facility-carousel-next { right: 1rem; }
.facility-carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}
.facility-carousel-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
}
.facility-carousel-dots button.is-active { background: var(--white); transform: scale(1.25); }
.facility-footnote {
  margin-top: 2rem;
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* ==========================================================
   TEAM
   ========================================================== */
.team { padding: var(--space-section) 0; }
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.team-photo {
  width: min(100%, 220px);
  aspect-ratio: 1;
  border-radius: 50%;
  margin: 0 auto 1.2rem;
  overflow: hidden;
  padding: 0;
  border: 0;
  background: none;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: inherit; }
.team-card { text-align: center; }
.team-card h3 { font-size: 1.1rem; }
.team-role { color: var(--accent); font-size: 0.88rem; font-weight: 600; margin-top: 0.2rem; }
.team-bio { color: var(--ink-soft); font-size: 0.92rem; margin-top: 0.6rem; }

/* ==========================================================
   POSITIONING (MISSÃO / VISÃO / VALORES — FLIP CARDS)
   ========================================================== */
.positioning { padding: var(--space-section) 0; background: var(--surface); }
.positioning-hint {
  margin-top: -1.6rem;
  margin-bottom: 2.4rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
}
.flip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.flip-card {
  perspective: 1400px;
  aspect-ratio: 4 / 3.4;
  cursor: pointer;
  border-radius: var(--radius-m);
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: left;
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}
.flip-card:hover .flip-card-inner,
.flip-card:focus-visible .flip-card-inner,
.flip-card.is-flipped .flip-card-inner {
  transform: rotateY(180deg);
}
.flip-card:focus-visible { outline: none; }
.flip-card:focus-visible .flip-card-front { outline: 2px solid var(--accent); outline-offset: 4px; }
.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-m);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
}
.flip-card-front {
  background: var(--bg);
  align-items: center;
  justify-content: center;
  text-align: center;
}
.flip-card-front .flip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--primary-dark);
  margin-bottom: 1.2rem;
}
.flip-card-front h3 { font-size: 1.3rem; }
.flip-tap-label {
  margin-top: 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
}
.flip-card-back {
  background: var(--primary-dark);
  color: var(--white);
  transform: rotateY(180deg);
  justify-content: center;
  gap: 0.7rem;
}
.flip-card-back h3 { color: var(--white); font-size: 1.15rem; }
.flip-card-back p { font-size: 0.92rem; line-height: 1.6; color: rgba(255,255,255,0.86); }

/* ==========================================================
   TECHNOLOGIES
   ========================================================== */
.technologies { padding: var(--space-section) 0; }
.technology-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.technology-card { overflow: hidden; border-radius: var(--radius-m); background: var(--bg); cursor: pointer; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.technology-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.technology-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.technology-image { display: block; width: 100%; max-width: none; aspect-ratio: 4 / 3; object-fit: cover; }
.technology-card-content { padding: 1.5rem 1.7rem 1.8rem; }
.technology-card h3 { font-size: 1.2rem; }
.technology-card p { margin-top: 0.6rem; color: var(--ink-soft); font-size: 0.94rem; }
.technology-dialog { width: min(92vw, 560px); border: 0; border-radius: var(--radius-m); padding: 0; color: var(--ink); background: var(--bg); box-shadow: 0 25px 70px rgba(30, 43, 59, 0.32); }
.technology-dialog::backdrop { background: rgba(30, 43, 59, 0.58); backdrop-filter: blur(3px); }

.blog-dialog { width: min(92vw, 560px); border: 0; border-radius: var(--radius-m); padding: 0; color: var(--ink); background: var(--bg); box-shadow: 0 25px 70px rgba(30, 43, 59, 0.32); }
.blog-dialog::backdrop { background: rgba(30, 43, 59, 0.58); backdrop-filter: blur(3px); }

/* ==========================================================
   TESTIMONIALS
   ========================================================== */
.testimonials { padding: var(--space-section) 0; background: var(--surface); }
.rating-summary {
  margin-top: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.rating-summary strong { color: var(--ink); font-family: var(--font-display); font-size: 1.2rem; }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card {
  margin: 0;
  background: var(--bg);
  border-radius: var(--radius-m);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.testimonial-card p { font-family: var(--font-display); font-size: 1.05rem; line-height: 1.55; color: var(--ink); }
.testimonial-card cite { font-style: normal; font-size: 0.88rem; color: var(--ink-soft); font-weight: 600; }

/* ==========================================================
   FAQ
   ========================================================== */
.faq { padding: var(--space-section) 0; }
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.faq-item {
  background: var(--bg);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.faq-item.is-open { box-shadow: var(--shadow-soft); }
.faq-question-heading { margin: 0; font-weight: 500; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 1.8rem;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
  transition: color 0.25s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
}
.faq-icon::before { width: 100%; height: 2px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-icon::after {
  width: 2px; height: 100%; left: 50%; top: 0;
  transform: translateX(-50%);
  transition: transform 0.3s ease;
}
.faq-question[aria-expanded="true"] .faq-icon::after { transform: translateX(-50%) scaleY(0); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.8rem;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-answer p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
  padding-bottom: 1.6rem;
}

/* ==========================================================
   BLOG
   ========================================================== */
.blog { padding: var(--space-section) 0; background: var(--surface); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.blog-card {
  overflow: hidden;
  border-radius: var(--radius-m);
  background: var(--bg);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.blog-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.blog-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  object-fit: cover; /* caso a imagem esteja diretamente na tag com essa classe */
}
.blog-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover; /* caso a imagem esteja dentro de um wrapper com essa classe */
}
/* Remove o visual de placeholder (padding, borda tracejada, fundo)
   assim que uma imagem real é inserida dentro do bloco */
.blog-image.placeholder-block {
  padding: 0;
  border: 0;
  background: none;
}
.blog-card-content { padding: 1.5rem 1.7rem 1.8rem; }
.blog-category {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.6rem;
}
.blog-card h3 { font-size: 1.15rem; line-height: 1.3; }
.blog-card p { margin-top: 0.6rem; color: var(--ink-soft); font-size: 0.94rem; }

/* ==========================================================
   LOCATION
   ========================================================== */
.location { padding: var(--space-section) 0; }
.location-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}
.location-info address { font-style: normal; margin-top: 1.4rem; color: var(--ink-soft); line-height: 1.7; }
.location-phone { margin-top: 1rem; font-weight: 600; }
.location-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.location-map { aspect-ratio: 4/3; border-radius: var(--radius-l); overflow: hidden; background: var(--surface); }
.location-map iframe { display: block; width: 100%; height: 100%; border: 0; }

/* ==========================================================
   FINAL CTA
   ========================================================== */
.final-cta { background: var(--primary-dark); color: var(--white); padding: var(--space-section) 0; }
.final-cta-inner { text-align: left; max-width: 640px; }
.final-cta h2 { color: var(--white); font-size: clamp(1.9rem, 3.5vw, 2.6rem); }
.final-cta p { margin-top: 1rem; color: rgba(255,255,255,0.78); font-size: 1.05rem; }
.final-cta-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ==========================================================
   FOOTER
   ========================================================== */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.82); padding-top: 4.5rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo { font-family: var(--font-display); font-size: 1.3rem; color: var(--white); margin-bottom: 0.6rem; }
.footer-col h3 { font-family: var(--font-body); font-size: 0.85rem; text-transform: none; color: var(--white); margin-bottom: 1rem; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a:hover { color: var(--white); }
.footer-col p { margin-bottom: 0.5rem; }
.instagram-link { display: inline-flex; align-items: center; gap: 0.5rem; }
.instagram-link svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.8; }
.footer-bottom {
  padding: 1.6rem 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

/* ==========================================================
   RESPONSIVE — HEADER (nav vira menu hambúrguer antes de espremer)
   ========================================================== */
@media (max-width: 1220px) {
  .header-inner { gap: 0.8rem; }

  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--bg);
    padding: 6.5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -20px 0 50px rgba(0,0,0,0.15);
    z-index: 700;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 1.6rem; }
  .main-nav a { font-size: 1.1rem; }

  .header-cta { display: none; }
  .btn-whatsapp-mobile { display: inline-flex; }
  .header-actions {
    margin-left: auto;
    gap: 0.55rem;
    position: relative;
    z-index: 650;
  }
  .menu-toggle {
    display: flex;
    position: relative;
    z-index: 800;
    margin-left: 0.15rem;
  }
}

/* ==========================================================
   RESPONSIVE — TABLET (reflow de grids de conteúdo)
   ========================================================== */
@media (max-width: 1024px) {
  .specialty-grid { grid-template-columns: repeat(2, 1fr); }
  .method-list { grid-template-columns: repeat(2, 1fr); row-gap: 3rem; }
  .method-list::before { display: none; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .flip-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .flip-card { aspect-ratio: auto; min-height: 220px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================
   RESPONSIVE — MOBILE
   ========================================================== */
@media (max-width: 760px) {
  :root { --space-section: var(--space-section-mobile); }

  .logo { width: 125px; height: 42px; }
  .logo img { height: 42px; }

  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-media { order: -1; }
  .hero-image { aspect-ratio: 4/3; }
  .hero-cta-group .btn { width: 100%; }
  .hero-stats { gap: 1.2rem 1.6rem; }

  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-media::before { display: none; }

  .specialty-grid { grid-template-columns: 1fr; }
  .dialog-content { padding: 2.6rem 1.6rem 1.8rem; }
  .method-list { grid-template-columns: 1fr; gap: 2.2rem; }

  .facility-carousel { aspect-ratio: 4 / 3; }

  .team-grid { grid-template-columns: 1fr; }
  .technology-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }

  .positioning-hint { margin-top: -1rem; }
  .flip-card-front, .flip-card-back { padding: 1.8rem 1.5rem; }

  .faq-question { padding: 1.2rem 1.3rem; font-size: 0.98rem; }
  .faq-answer { padding: 0 1.3rem; }

  .location-grid { grid-template-columns: 1fr; }
  .location-actions .btn { width: 100%; }

  .final-cta-actions .btn { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: left; }
}

/* ==========================================================
   BOTÃO WHATSAPP FLUTUANTE
   ========================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #20ba5a;
}

.whatsapp-float:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}