/* ============================================
   Dr. Paulo Condé — Pneumologista
   style.css | Premium, responsivo, sem framework
   ============================================ */

/* Variáveis e Reset
   -------------------------------------------- */
:root {
  /* Paleta */
  --petroleum: #0B3B46;
  --deep-blue: #082C35;
  --teal: #3A7D78;
  --light-teal: #DCECEA;
  --beige: #F6F2EC;
  --white: #FFFFFF;
  --text-gray: #586468;
  --soft-black: #172326;

  /* Utilidades derivadas */
  --bg-primary: var(--white);
  --bg-alt: var(--beige);
  --text-primary: var(--soft-black);
  --text-secondary: var(--text-gray);
  --accent: var(--teal);
  --accent-dark: var(--petroleum);
  --border: rgba(11, 59, 70, 0.12);
  --shadow-sm: 0 4px 20px rgba(11, 59, 70, 0.06);
  --shadow-md: 0 12px 40px rgba(11, 59, 70, 0.10);
  --shadow-lg: 0 24px 60px rgba(11, 59, 70, 0.14);

  /* Tipografia */
  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Espaçamento */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;

  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container: 1200px;
  --container-padding: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-header {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
  background: rgba(58, 125, 120, 0.10);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--accent-dark);
  margin-bottom: 18px;
}

.section-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* Botões
   -------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  padding: 12px 24px;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 4px 18px rgba(58, 125, 120, 0.30);
}

.btn-primary:hover {
  background: var(--petroleum);
  box-shadow: 0 6px 24px rgba(11, 59, 70, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--accent-dark);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  background: var(--light-teal);
  border-color: var(--light-teal);
}

.btn-light {
  background: var(--white);
  color: var(--petroleum);
  box-shadow: var(--shadow-md);
}

.btn-light:hover {
  background: var(--light-teal);
}

.btn-large {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn-header {
  padding: 10px 20px;
}

/* Header
   -------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--light-teal);
  color: var(--teal);
  border-radius: var(--radius-md);
}

.logo-icon svg {
  width: 24px;
  height: 24px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text strong {
  font-family: var(--font-title);
  font-size: 1.15rem;
  color: var(--accent-dark);
  font-weight: 600;
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

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

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

.nav-toggle,
.nav-close {
  display: none;
}

/* Hero
   -------------------------------------------- */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: linear-gradient(180deg, var(--beige) 0%, var(--white) 100%);
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  background: var(--light-teal);
  opacity: 0.45;
  filter: blur(60px);
  pointer-events: none;
}

.hero-shape-1 {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
}

.hero-shape-2 {
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: -60px;
  opacity: 0.3;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--teal);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero-badge svg {
  width: 18px;
  height: 18px;
  color: var(--teal);
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--accent-dark);
  margin-bottom: 22px;
}

.hero-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}

.hero-actions svg {
  width: 20px;
  height: 20px;
}

.hero-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.hero-info strong {
  color: var(--accent-dark);
  font-weight: 600;
}

.hero-info .divider {
  color: var(--teal);
}

/* Hero media */
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.hero-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-dark);
  animation: float 4s ease-in-out infinite;
}

.floating-card svg {
  width: 20px;
  height: 20px;
  color: var(--teal);
  flex-shrink: 0;
}

.floating-card-1 {
  top: 40px;
  left: -24px;
  animation-delay: 0s;
}

.floating-card-2 {
  top: 38%;
  right: -30px;
  animation-delay: 1.3s;
}

.floating-card-3 {
  bottom: 60px;
  left: -18px;
  animation-delay: 2.6s;
}

.breath-decoration {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 220px;
  height: 140px;
  color: var(--teal);
  opacity: 0.18;
  z-index: -1;
}

.breath-decoration svg {
  width: 100%;
  height: 100%;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Credibility
   -------------------------------------------- */
.credibility {
  background: var(--white);
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.credibility-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  background: var(--beige);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.credibility-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.credibility-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--white);
  color: var(--teal);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.credibility-icon svg {
  width: 22px;
  height: 22px;
}

.credibility-text {
  display: flex;
  flex-direction: column;
}

.credibility-text strong {
  font-weight: 600;
  color: var(--accent-dark);
  font-size: 0.95rem;
}

.credibility-text span {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Sobre
   -------------------------------------------- */
.about-grid {
  align-items: center;
}

.about-media {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  display: inline-block;
}

.about-image {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  top: 24px;
  left: -24px;
  width: 100%;
  height: 100%;
  background: var(--light-teal);
  border-radius: var(--radius-xl);
  z-index: -1;
}

.experience-card {
  position: absolute;
  bottom: 28px;
  right: -28px;
  background: var(--white);
  padding: 22px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  min-width: 150px;
}

.experience-number {
  display: block;
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 6px;
}

.experience-label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.about-content .btn {
  margin-top: 12px;
}

.about-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 32px;
}

.about-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-primary);
}

.about-item svg {
  width: 22px;
  height: 22px;
  color: var(--teal);
  flex-shrink: 0;
}

/* Tratamentos
   -------------------------------------------- */
.treatments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.treatment-card {
  background: var(--white);
  padding: 34px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.treatment-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--light-teal);
}

.treatment-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--light-teal);
  color: var(--teal);
  border-radius: var(--radius-md);
  margin-bottom: 22px;
}

.treatment-icon svg {
  width: 26px;
  height: 26px;
}

.treatment-card h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  color: var(--accent-dark);
  margin-bottom: 12px;
  font-weight: 600;
}

.treatment-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Sintomas
   -------------------------------------------- */
.symptoms-grid {
  align-items: start;
}

.symptoms-content {
  position: sticky;
  top: 120px;
}

.symptoms-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.symptom-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.symptom-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--light-teal);
}

.symptom-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--light-teal);
  color: var(--teal);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.symptom-icon svg {
  width: 20px;
  height: 20px;
}

.symptom-card span {
  font-weight: 500;
  color: var(--accent-dark);
  font-size: 0.95rem;
}

/* Depoimentos
   -------------------------------------------- */
.testimonials-carousel {
  position: relative;
}

.testimonials-track {
  display: flex;
  gap: 24px;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  min-width: calc(33.333% - 16px);
  background: var(--white);
  padding: 34px 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: #E6A23C;
  margin-bottom: 18px;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
  flex-grow: 1;
  margin-bottom: 22px;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
}

.testimonial-author strong {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 1rem;
}

.testimonial-author span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.testimonials-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 36px;
}

.testimonials-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--teal);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

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

.testimonials-btn svg {
  width: 20px;
  height: 20px;
}

.testimonials-dots {
  display: flex;
  gap: 10px;
}

.testimonials-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.testimonials-dot.active {
  background: var(--teal);
  transform: scale(1.2);
}

/* FAQ
   -------------------------------------------- */
.faq-grid {
  align-items: start;
}

.faq-content {
  position: sticky;
  top: 120px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.faq-item.active {
  box-shadow: var(--shadow-md);
  border-color: var(--light-teal);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-dark);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--teal);
}

.faq-icon {
  width: 22px;
  height: 22px;
  color: var(--teal);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 26px 24px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.98rem;
}

/* CTA
   -------------------------------------------- */
.cta {
  background: var(--petroleum);
  padding: 80px 0;
  color: var(--white);
}

.cta-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  max-width: 620px;
  margin-bottom: 16px;
  font-weight: 600;
}

.cta-text {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  max-width: 520px;
  line-height: 1.7;
}

.cta-actions {
  flex-shrink: 0;
}

/* Contato
   -------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.45fr 0.55fr;
  gap: 32px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--light-teal);
  color: var(--teal);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-text {
  display: flex;
  flex-direction: column;
}

.contact-text strong {
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-text span {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contact-map {
  min-height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.contact-map iframe {
  min-height: 420px;
  display: block;
}

/* Footer
   -------------------------------------------- */
.footer {
  background: var(--deep-blue);
  color: var(--white);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer .logo-text strong {
  color: var(--white);
}

.footer .logo-text span {
  color: rgba(255, 255, 255, 0.7);
}

.footer .logo-icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--light-teal);
}

.footer-text {
  max-width: 340px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-nav strong,
.footer-contact strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 18px;
  color: var(--white);
  font-weight: 600;
}

.footer-nav ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a,
.footer-contact li {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--light-teal);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact li svg {
  width: 18px;
  height: 18px;
  color: var(--light-teal);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 28px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

/* WhatsApp Float
   -------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* Animações de entrada
   -------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsividade — Tablets e pequenos desktops
   -------------------------------------------- */
@media (max-width: 1024px) {
  .header-inner {
    height: 72px;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(100%, 380px);
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 80px 32px 32px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 1001;
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    margin-bottom: 24px;
  }

  .nav-link {
    display: block;
    padding: 14px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .nav-link::after {
    display: none;
  }

  .btn-header {
    width: 100%;
    justify-content: center;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--accent-dark);
    background: var(--beige);
    border-radius: var(--radius-md);
  }

  .nav-toggle svg,
  .nav-close svg {
    width: 24px;
    height: 24px;
  }

  .nav-close {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 18px;
    right: 24px;
    width: 40px;
    height: 40px;
    color: var(--accent-dark);
  }

  .hero {
    padding: 140px 0 80px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-media {
    order: -1;
  }

  .hero-image-wrapper {
    max-width: 360px;
  }

  .floating-card {
    display: none;
  }

  .breath-decoration {
    width: 160px;
    height: 100px;
    bottom: -10px;
    right: -10px;
  }

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

  .about-media,
  .about-image-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
  }

  .about-image {
    max-width: 400px;
  }

  .about-image-wrapper::before {
    left: -16px;
    top: 16px;
  }

  .experience-card {
    right: -10px;
    bottom: 20px;
  }

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

  .symptoms-content,
  .faq-content {
    position: static;
    text-align: center;
  }

  .symptoms-content .btn,
  .faq-content .btn {
    margin: 0 auto 24px;
  }

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

  .contact-map {
    min-height: 320px;
  }

  .contact-map iframe {
    min-height: 320px;
  }

  .cta-grid {
    flex-direction: column;
    text-align: center;
  }

  .cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Responsividade — Mobile
   -------------------------------------------- */
@media (max-width: 640px) {
  :root {
    --container-padding: 20px;
  }

  .section {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .btn-large {
    padding: 14px 26px;
    font-size: 0.95rem;
  }

  .hero {
    padding: 120px 0 64px;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 6px 12px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-info {
    justify-content: center;
    gap: 10px;
  }

  .hero-info .divider {
    display: none;
  }

  .hero-info span {
    font-size: 0.82rem;
  }

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

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

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

  .testimonial-card {
    min-width: 100%;
  }

  .testimonials-controls {
    gap: 16px;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 1rem;
  }

  .faq-item.active .faq-answer {
    padding: 0 20px 20px;
  }

  .contact-card {
    padding: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-text {
    max-width: none;
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 18px;
    right: 18px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

/* Acessibilidade — redução de movimento
   -------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Foco visível para acessibilidade
   -------------------------------------------- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

/* Overlay para menu mobile
   -------------------------------------------- */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 44, 53, 0.45);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}