/* ============================================================
   MODELO A — CLÍNICO E CONFIÁVEL
   Paleta: Verde Profundo (#022328) + Verde-água (#16C0A0) + Branco
   Tipografia: Nexa (títulos) + Open Sans (corpo)
   ============================================================ */

:root {
  --primary: #022328;
  --primary-light: #0A3D35;
  --accent: #16C0A0;
  --accent-dark: #0EA88A;
  --white: #ffffff;
  --gray-50: #F8F8F8;
  --gray-100: #EEEEF0;
  --gray-200: #D8D8DC;
  --gray-500: #8898AA;
  --gray-700: #4A5568;
  --gray-900: #1A202C;
  --font-heading: 'Nexa', system-ui, sans-serif;
  --font-body: 'Open Sans', system-ui, sans-serif;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(2, 35, 40, 0.10);
  --shadow-md: 0 8px 40px rgba(2, 35, 40, 0.15);
  /* HERO OPTIONS (troque apenas esta linha) */
  --hero-image: var(--hero-image-back-relief);
  --hero-image-spine-care: url('https://images.unsplash.com/photo-1559839734-2b71ea197ec2?auto=format&fit=crop&w=1600&q=80');
  --hero-image-back-relief: url('https://images.unsplash.com/photo-1571019613454-1cb2f99b2d8b?auto=format&fit=crop&w=1600&q=80');
  --hero-image-posture-rehab: url('https://images.unsplash.com/photo-1612349317150-e413f6a5b16d?auto=format&fit=crop&w=1600&q=80');
}

*, *::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(--gray-900);
  background: var(--white);
  line-height: 1.7;
}

img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-1px); }
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover { background: rgba(255,255,255,0.15); border-color: var(--white); }
.btn--lg { padding: 17px 34px; font-size: 1.05rem; }
.btn--full { width: 100%; justify-content: center; }

/* SECTION HELPERS */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header--light h2 { color: var(--white); }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-label--light { color: rgba(255,255,255,0.75); }

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-header--light h2 { color: var(--white); }

.section-desc {
  max-width: 560px;
  margin: 0 auto;
  color: var(--gray-700);
  font-size: 1.05rem;
}

/* HEADER */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
}
.header--scrolled {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: 10px 0;
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
}
.logo__img {
  height: 36px;
  width: auto;
  display: block;
  transition: opacity 0.2s;
}
.logo__img--dark { display: none; }

.header--scrolled .logo__img--white { display: none; }
.header--scrolled .logo__img--dark  { display: block; }

.nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  transition: color 0.2s;
}
.nav a:hover { color: var(--white); }
.header--scrolled .nav a { color: var(--gray-700); }
.header--scrolled .nav a:hover { color: var(--primary); }

.nav__cta { margin-left: 8px; padding: 10px 22px; font-size: 0.88rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}
.hamburger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger--open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.header--scrolled .hamburger span { background: var(--primary); }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(2,35,40,0.93) 0%, rgba(2,35,40,0.78) 55%, rgba(22,192,160,0.50) 100%),
    var(--hero-image) center/cover no-repeat;
  padding: 120px 0 80px;
}
.hero__content {
  max-width: 720px;
  color: var(--white);
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.83rem;
  font-weight: 600;
  margin-bottom: 28px;
  color: rgba(255,255,255,0.95);
}
.hero__content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
}
.hero__content p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: 0.9;
  margin-bottom: 40px;
  max-width: 580px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  opacity: 0.85;
}
.hero__trust-item i { color: var(--accent); }

/* LOCAL (SEO) — mesmo vocabulário visual dos problem-cards */
.local-seo {
  padding: 96px 0;
  background: var(--gray-50);
}
.local-seo__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
}
.local-seo__card {
  background: var(--white);
  padding: 32px 28px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.local-seo__card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.local-seo__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--primary);
  transition: background 0.3s ease, color 0.3s ease;
}
.local-seo__card:hover .local-seo__icon {
  background: var(--accent);
  color: var(--white);
}
.local-seo__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.local-seo__card p {
  margin: 0;
  color: var(--gray-700);
  font-size: 0.93rem;
  line-height: 1.65;
}
.local-seo__link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.local-seo__link:hover { color: var(--accent-dark); text-decoration: underline; }
.local-seo__cta {
  margin-top: 40px;
  text-align: center;
}
.local-seo__cta .btn i { margin-right: 8px; }

@media (max-width: 900px) {
  .local-seo__grid { grid-template-columns: 1fr; max-width: 420px; }
}

/* PROBLEMS */
.problems {
  padding: 96px 0;
  background: var(--white);
}
.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.problem-card {
  padding: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.problem-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.problem-card__icon {
  width: 52px; height: 52px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: all 0.3s;
}
.problem-card:hover .problem-card__icon { background: var(--accent); color: var(--white); }
.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.problem-card__tag {
  font-weight: 400;
  font-size: 0.88em;
  color: var(--gray-500);
}
.problem-card p { color: var(--gray-700); font-size: 0.93rem; }

.problems__subhead {
  text-align: center;
  margin: 56px 0 28px;
}
.problems__subhead-title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--primary);
}
.problems__grid--secondary { margin-top: 0; }

/* DIFFERENTIALS */
.differentials {
  background: var(--primary);
  padding: 96px 0;
}
.differentials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  background: rgba(255,255,255,0.08);
}
.diff-card {
  padding: 48px 36px;
  background: var(--primary);
  transition: background 0.3s;
}
.diff-card:hover { background: var(--primary-light); }
.diff-card__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  opacity: 0.7;
  line-height: 1;
  margin-bottom: 20px;
}
.diff-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 14px;
}
.diff-card p { color: rgba(255,255,255,0.72); font-size: 0.93rem; line-height: 1.7; }

/* TREATMENTS */
.treatments {
  padding: 96px 0;
  background: var(--gray-50);
}
.treatments__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.treatment-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}
.treatment-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.treatment-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.treatment-item__body { padding: 28px; }
.treatment-item h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.treatment-item p { color: var(--gray-700); font-size: 0.92rem; }

/* ABOUT / EQUIPE */
.about {
  padding: 96px 0;
  background: var(--white);
}
.about__intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.about__intro h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.3;
}
.about__lead {
  color: var(--gray-700);
  font-size: 1.05rem;
  line-height: 1.8;
}
.about__lead--second {
  margin-top: 1rem;
}

.team__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 56px;
}
.team-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}
.team-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.team-card__photo {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--gray-100);
}
.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.4s ease;
}
.team-card:hover .team-card__photo img { transform: scale(1.03); }

.team-card__body {
  padding: 32px;
  border-top: 3px solid var(--accent);
}
.team-card__body h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.team-card__specialty {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.team-card__body p {
  color: var(--gray-700);
  font-size: 0.93rem;
  line-height: 1.75;
  margin-bottom: 20px;
}
.team-card__credentials {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}
.team-card__credentials span {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--gray-500);
}
.team-card__credentials i { color: var(--accent); width: 14px; flex-shrink: 0; }
.team-card__social {
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.2s;
}
.team-card__social:hover { color: var(--accent); }

.about__cta { text-align: center; }

/* TESTIMONIALS */
.testimonials {
  padding: 96px 0;
  background: var(--gray-50);
}

/* Google Badge */
.google-badge {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 28px;
  box-shadow: var(--shadow);
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.google-badge__logo { width: 80px; flex-shrink: 0; }
.google-badge__rating { display: flex; flex-direction: column; gap: 4px; }
.google-badge__score {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}
.google-badge__score small { font-size: 1rem; color: var(--gray-500); font-weight: 400; }
.google-badge__stars { color: #F59E0B; font-size: 1rem; }
.google-badge__count { font-size: 0.83rem; color: var(--gray-500); }
.google-badge__link {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}
.google-badge__link:hover { color: var(--accent-dark); }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--accent);
}

/* Cards no estilo Google Reviews */
.testimonial-card--google { border-top: none; border-left: 3px solid var(--accent); }
.testimonial-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.testimonial-card__avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  flex-shrink: 0;
}
.testimonial-card__header strong { display: block; font-size: 0.93rem; color: var(--primary); }
.testimonial-card__stars { color: #F59E0B; font-size: 0.85rem; margin-top: 3px; }
.testimonial-card p { color: var(--gray-700); font-style: italic; line-height: 1.8; font-size: 0.95rem; margin-bottom: 0; }
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-card__author img {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial-card__author strong { display: block; font-size: 0.93rem; color: var(--primary); }
.testimonial-card__author small { font-size: 0.80rem; color: var(--gray-500); }

/* FAQ */
.faq {
  padding: 96px 0;
  background: var(--white);
}
.faq__inner { max-width: 800px; margin: 0 auto; }
.faq__list { display: flex; flex-direction: column; gap: 2px; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item + .faq-item { margin-top: 8px; }
.faq-item summary {
  padding: 22px 28px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}
.faq-item summary:hover { background: var(--gray-50); }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding: 0 28px 24px;
  color: var(--gray-700);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* LEAD FORM */
.lead-form {
  padding: 96px 0;
  background: var(--primary);
}
.lead-form__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}
.lead-form__text h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.3;
}
.lead-form__text p { color: rgba(255,255,255,0.80); margin-bottom: 32px; line-height: 1.8; }
.lead-form__benefits { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.lead-form__benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
}
.lead-form__benefits i { color: var(--accent); font-size: 1.1rem; }

.form {
  background: var(--white);
  border-radius: 12px;
  padding: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.form__group { margin-bottom: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.form__group input,
.form__group select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color 0.2s;
}
.form__group input:focus,
.form__group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22,192,160,0.15);
}
.form__group--check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.form__group--check input { width: auto; flex-shrink: 0; margin-top: 3px; }
.form__group--check label {
  font-size: 0.83rem;
  font-weight: 400;
  color: var(--gray-700);
  margin-bottom: 0;
}
.form__group--check a { color: var(--accent); text-decoration: underline; }

.form__success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 24px;
  position: absolute;
  inset: 0;
  background: var(--white);
  border-radius: 12px;
  gap: 12px;
}
.form__success i { font-size: 3rem; color: var(--accent); }
.form__success h3 { font-family: var(--font-heading); color: var(--primary); font-size: 1.4rem; }
.form__success p { color: var(--gray-700); }

/* FOOTER */
.footer { background: var(--gray-900); color: rgba(255,255,255,0.70); }
.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  padding: 56px 24px;
  max-width: 1140px;
  margin: 0 auto;
}
.footer__logo {
  height: 32px;
  width: auto;
  display: block;
  margin-bottom: 12px;
  opacity: 0.92;
}
.footer__brand p { font-size: 0.80rem; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { font-size: 0.88rem; transition: color 0.2s; }
.footer__links a:hover { color: var(--white); }
.footer__contact { display: flex; flex-direction: column; gap: 12px; }
.footer__contact a, .footer__contact span {
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.2s;
}
.footer__contact a:hover { color: var(--white); }
.footer__contact i { color: var(--accent); width: 16px; }
.footer__hours span {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.50);
  padding-top: 4px;
}
.footer__social {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.10);
  margin-top: 8px;
}
.footer__social a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer__social a:hover { color: var(--accent); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  padding: 20px 24px;
  font-size: 0.80rem;
}

/* WHATSAPP FLUTUANTE */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: all 0.3s ease;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.55); }

/* RESPONSIVE */
@media (max-width: 960px) {
  .team__grid { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; }
  .lead-form__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
    z-index: 150;
  }
  .nav--open { display: flex; }
  .nav a { font-size: 1.2rem; color: var(--white) !important; }
  .nav__cta { display: none; }
  .hamburger { display: flex; z-index: 200; }
  .hamburger--open { opacity: 0; pointer-events: none; }

  .nav__close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
  }
  .nav__close span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    position: absolute;
    left: 10px;
  }
  .nav__close span:nth-child(1) { transform: rotate(45deg); }
  .nav__close span:nth-child(2) { transform: rotate(-45deg); }
  .nav--open .nav__close { display: block; }

  .hero__actions { flex-direction: column; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 36px; }
  .differentials__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .problems__grid { grid-template-columns: 1fr; }
  .treatments__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .form { padding: 28px 20px; }
}