/* =========================================
   Sonríe Contigo — Estilos
========================================= */

:root {
  --primary: #2c7be5;
  --primary-dark: #1a5bb8;
  --primary-light: #eaf4ff;
  --accent: #3ed6c5;
  --bg: #ffffff;
  --bg-soft: #f4f8fb;
  --gray: #64748b;
  --gray-light: #e2e8f0;
  --dark: #16233a;
  --whatsapp: #25d366;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 4px 16px rgba(22, 35, 58, 0.06);
  --shadow-md: 0 12px 32px rgba(22, 35, 58, 0.1);
  --shadow-lg: 0 24px 60px rgba(22, 35, 58, 0.16);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--bg);
  overflow-x: hidden;
  line-height: 1.6;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 110px 0; position: relative; }

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-tag-light {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 60px;
  text-align: center;
}
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 14px; }
.section-head p { color: var(--gray); font-size: 1.05rem; }

.text-gradient {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn svg { transition: transform var(--transition); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 24px rgba(44, 123, 229, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(44, 123, 229, 0.42); }

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(37, 211, 102, 0.42); }

.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* ===== Preloader ===== */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-tooth { font-size: 3rem; animation: bounce 1s ease-in-out infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-16px) scale(1.1); }
}

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  padding: 20px 0;
  transition: all var(--transition);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700; font-size: 1.3rem;
  color: var(--dark);
}
.logo em { font-style: normal; color: var(--primary); }
.logo-icon { font-size: 1.6rem; }

.nav {
  display: flex; align-items: center; gap: 34px;
}
.nav a {
  font-weight: 500; font-size: 0.96rem; color: var(--dark);
  position: relative; padding: 6px 0;
  transition: color var(--transition);
}
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: width var(--transition);
}
.nav a:hover, .nav a.active { color: var(--primary); }
.nav a:hover::after, .nav a.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }

.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(--dark); border-radius: 2px;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 110px;
  overflow: hidden;
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 60%);
}
.hero-bg-shapes { position: absolute; inset: 0; z-index: 0; }
.shape {
  position: absolute; border-radius: 50%;
  filter: blur(10px); opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}
.shape-1 { width: 320px; height: 320px; background: var(--primary-light); top: -80px; right: -60px; }
.shape-2 { width: 220px; height: 220px; background: #d9f7f2; bottom: 40px; right: 30%; animation-delay: 1.5s; }
.shape-3 { width: 160px; height: 160px; background: var(--primary-light); bottom: -40px; left: 10%; animation-delay: 3s; }
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-24px) translateX(12px); }
}

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 40px; align-items: center;
  padding-bottom: 60px;
}

.pill {
  display: inline-block; margin-bottom: 22px;
  padding: 8px 18px; border-radius: 999px;
  background: #fff; border: 1px solid var(--gray-light);
  font-size: 0.85rem; font-weight: 500; color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.hero-text h1 {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  margin-bottom: 22px;
}
.hero-text p {
  font-size: 1.1rem; color: var(--gray); max-width: 520px; margin-bottom: 34px;
}
.hero-buttons { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 50px; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat strong { display: block; font-family: var(--font-heading); font-size: 1.6rem; color: var(--primary-dark); }
.stat span { font-size: 0.88rem; color: var(--gray); }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 460px; }
.hero-card.main-card {
  width: 340px; height: 340px; border-radius: 50%;
  box-shadow: var(--shadow-lg);
  animation: floatSlow 6s ease-in-out infinite;
  background: #fff;
}
.hero-illustration { width: 100%; height: 100%; }
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

.floating-card {
  position: absolute;
  background: #fff; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 12px;
  font-size: 0.85rem;
  animation: floatSlow 5s ease-in-out infinite;
}
.floating-card strong { display: block; font-size: 0.92rem; }
.floating-card small { color: var(--gray); font-size: 0.78rem; }
.fc-icon { font-size: 1.4rem; }
.card-1 { top: 8%; left: -8%; animation-delay: 0.4s; }
.card-2 { bottom: 12%; left: -4%; animation-delay: 1.2s; }
.card-3 { top: 42%; right: -10%; animation-delay: 2s; }

.scroll-down {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  width: 28px; height: 44px; border: 2px solid var(--gray-light); border-radius: 20px;
  display: flex; justify-content: center; padding-top: 8px;
}
.scroll-down span {
  width: 4px; height: 8px; border-radius: 4px; background: var(--primary);
  animation: scrollDown 1.6s ease infinite;
}
@keyframes scrollDown {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ===== About ===== */
.about-inner {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 70px; align-items: center;
}
.about-photo { position: relative; max-width: 380px; margin: 0 auto; }
.about-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: #fff; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 16px 20px; text-align: center;
}
.about-badge strong { display: block; font-family: var(--font-heading); font-size: 1.5rem; color: var(--primary); }
.about-badge span { font-size: 0.78rem; color: var(--gray); }

.about-text h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 20px; }
.about-text p { color: var(--gray); margin-bottom: 16px; }

.about-list { margin: 26px 0; }
.about-list li { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-weight: 500; }
.check {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; flex-shrink: 0;
}

.team-mini { display: flex; gap: 18px; margin-top: 30px; flex-wrap: wrap; }
.team-card {
  background: var(--bg-soft); border-radius: var(--radius-sm);
  padding: 20px; text-align: center; flex: 1; min-width: 130px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.avatar { font-size: 2rem; margin-bottom: 8px; }
.team-card strong { display: block; font-size: 0.92rem; }
.team-card small { color: var(--gray); font-size: 0.8rem; }

/* ===== Treatments ===== */
.treatments { background: var(--bg-soft); }
.treatments-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.treatment-card {
  background: #fff; border-radius: var(--radius);
  padding: 36px 28px; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.treatment-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity var(--transition); z-index: 0;
}
.treatment-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}
.treatment-card:hover::before { opacity: 1; }
.treatment-card > * { position: relative; z-index: 1; }
.treatment-card:hover h3, .treatment-card:hover p, .treatment-card:hover .tc-link { color: #fff; }

.tc-icon {
  width: 62px; height: 62px; border-radius: 16px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: 22px;
  transition: transform var(--transition);
}
.treatment-card:hover .tc-icon { transform: rotate(-8deg) scale(1.1); background: rgba(255,255,255,0.2); }

.treatment-card h3 { font-size: 1.2rem; margin-bottom: 10px; transition: color var(--transition); }
.treatment-card p { color: var(--gray); font-size: 0.95rem; margin-bottom: 18px; transition: color var(--transition); }
.tc-link { font-weight: 600; color: var(--primary); font-size: 0.9rem; transition: color var(--transition); }

.treatment-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; display: flex; flex-direction: column; justify-content: center;
}
.treatment-cta h3 { color: #fff; }
.treatment-cta p { color: rgba(255,255,255,0.85); }
.treatment-cta .btn { background: #fff; color: var(--primary-dark); width: fit-content; }
.treatment-cta:hover { transform: translateY(-10px); }

/* ===== Technology ===== */
.technology {
  background: linear-gradient(135deg, var(--dark), #1f3a5f);
  color: #fff;
}
.tech-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.tech-text h2 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 20px; }
.tech-text > p { color: rgba(255,255,255,0.75); margin-bottom: 36px; max-width: 520px; }

.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.tech-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm); padding: 18px;
  transition: transform var(--transition), background var(--transition);
}
.tech-item:hover { transform: translateY(-6px); background: rgba(255,255,255,0.12); }
.tech-icon { font-size: 1.6rem; }
.tech-item strong { display: block; font-size: 0.98rem; margin-bottom: 4px; }
.tech-item small { color: rgba(255,255,255,0.65); font-size: 0.82rem; }

.tech-visual { display: flex; align-items: center; justify-content: center; }
.tech-orbit {
  position: relative; width: 300px; height: 300px;
}
.orbit-core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 90px; height: 90px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center; font-size: 2rem;
  box-shadow: 0 0 60px rgba(62, 214, 197, 0.5);
}
.tech-orbit::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.25);
  animation: spin 20s linear infinite;
}
.orbit-item {
  position: absolute; width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
  animation: orbitFloat 4s ease-in-out infinite;
}
.i1 { top: 0; left: 50%; transform: translateX(-50%); }
.i2 { top: 50%; right: 0; transform: translateY(-50%); animation-delay: 1s; }
.i3 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 2s; }
.i4 { top: 50%; left: 0; transform: translateY(-50%); animation-delay: 3s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes orbitFloat {
  0%, 100% { transform: translate(var(--tx, 0), var(--ty, 0)) scale(1); }
  50% { transform: translate(var(--tx, 0), var(--ty, 0)) scale(1.12); }
}

/* ===== Testimonials ===== */
.testimonials { background: #fff; }
.carousel { position: relative; max-width: 720px; margin: 0 auto; }
.carousel-track {
  display: flex; transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.testimonial-card {
  min-width: 100%; background: var(--bg-soft); border-radius: var(--radius);
  padding: 44px; text-align: center;
}
.stars { color: #f5b301; font-size: 1.2rem; margin-bottom: 18px; letter-spacing: 3px; }
.testimonial-card p { font-size: 1.15rem; color: var(--dark); margin-bottom: 26px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 12px; }
.ta-avatar {
  width: 46px; height: 46px; border-radius: 50%; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.testimonial-author strong { display: block; font-size: 0.95rem; }
.testimonial-author small { color: var(--gray); font-size: 0.8rem; }

.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%; border: none;
  background: #fff; box-shadow: var(--shadow-md);
  font-size: 1.6rem; cursor: pointer; color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.carousel-btn:hover { background: var(--primary); color: #fff; transform: translateY(-50%) scale(1.08); }
.carousel-btn.prev { left: -64px; }
.carousel-btn.next { right: -64px; }

.carousel-dots { display: flex; justify-content: center; gap: 10px; margin-top: 30px; }
.carousel-dots span {
  width: 10px; height: 10px; border-radius: 50%; background: var(--gray-light);
  cursor: pointer; transition: background var(--transition), transform var(--transition);
}
.carousel-dots span.active { background: var(--primary); transform: scale(1.2); }

/* ===== Appointment ===== */
.appointment { background: var(--bg-soft); }
.appointment-inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; }
.appointment-text h2 { font-size: clamp(1.8rem, 3vw, 2.3rem); margin-bottom: 20px; }
.appointment-text p { color: var(--gray); margin-bottom: 30px; max-width: 440px; }
.appointment-perks li { margin-bottom: 14px; font-weight: 500; }

.appointment-form {
  background: #fff; border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-light); font-family: var(--font-body);
  font-size: 0.95rem; color: var(--dark); background: var(--bg-soft);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 4px rgba(44, 123, 229, 0.12);
}
.form-group textarea { resize: vertical; }

.form-success {
  display: none; text-align: center; margin-top: 16px;
  color: #1a9c62; font-weight: 600; background: #e7f9f1;
  padding: 12px; border-radius: var(--radius-sm);
}
.form-success.show { display: block; animation: fadeIn 0.5s ease; }

/* ===== Location ===== */
.location-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items: stretch; }
.location-info { display: flex; flex-direction: column; gap: 26px; }
.loc-item { display: flex; gap: 16px; align-items: flex-start; }
.loc-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0;
}
.loc-item strong { display: block; margin-bottom: 4px; }
.loc-item p { color: var(--gray); font-size: 0.95rem; }

.location-map {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md);
  min-height: 360px;
}

/* ===== Footer ===== */
.footer { background: var(--dark); color: rgba(255,255,255,0.75); padding: 70px 0 0; }
.footer-inner {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; max-width: 280px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { font-size: 0.85rem; font-weight: 500; transition: color var(--transition); }
.footer-social a:hover { color: var(--primary); }

.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer-col a { display: block; margin-bottom: 10px; font-size: 0.9rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }

.footer-bottom { text-align: center; padding: 24px 0; font-size: 0.85rem; }

/* ===== WhatsApp Float & Back to top ===== */
.whatsapp-float {
  position: fixed; bottom: 26px; right: 26px; z-index: 800;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--whatsapp); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1) rotate(8deg); }
.wa-ping {
  position: absolute; inset: 0; border-radius: 50%;
  background: var(--whatsapp); opacity: 0.6;
  animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
  z-index: -1;
}
@keyframes ping {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

.back-to-top {
  position: fixed; bottom: 26px; right: 96px; z-index: 800;
  width: 46px; height: 46px; border-radius: 50%; border: none;
  background: #fff; color: var(--primary); box-shadow: var(--shadow-md);
  font-size: 1.2rem; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary); color: #fff; }

/* ===== Scroll reveal ===== */
[data-reveal] {
  opacity: 0; transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal="up"] { transform: translateY(40px); }
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal].in-view { opacity: 1; transform: translate(0, 0); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .carousel-btn.prev { left: 0; }
  .carousel-btn.next { right: 0; }
}

@media (max-width: 992px) {
  .hero-inner, .about-inner, .tech-inner, .appointment-inner, .location-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual { margin-top: 60px; min-height: 380px; }
  .treatments-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .about-visual { order: -1; }
}

@media (max-width: 860px) {
  .nav { position: fixed; top: 0; right: 0; height: 100vh; width: 78%; max-width: 320px;
    background: #fff; flex-direction: column; justify-content: center; gap: 30px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%); transition: transform var(--transition);
    z-index: 950;
  }
  .nav.open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 640px) {
  .section { padding: 70px 0; }
  .hero { padding-top: 130px; }
  .treatments-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-social { justify-content: center; }
  .loc-item { text-align: left; }
  .floating-card { display: none; }
  .carousel-btn { display: none; }
  .hero-buttons { flex-direction: column; }
  .hero-stats { gap: 24px; }
  .appointment-form { padding: 26px; }
}