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

:root {
  --green-900: #0D3B18;
  --green-800: #1B5E20;
  --green-700: #2E7D32;
  --green-600: #388E3C;
  --green-500: #4CAF50;
  --green-100: #C8E6C9;
  --green-50: #E8F5E9;
  --off-white: #F7F5F0;
  --off-white-light: #FBFAF8;
  --cream: #EFEBE4;
  --neutral-900: #1A1A1A;
  --neutral-700: #3D3D3D;
  --neutral-500: #6B6B6B;
  --neutral-300: #A8A8A8;
  --neutral-200: #D4D4D4;
  --neutral-100: #EDEDED;
  --white: #FFFFFF;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--neutral-700);
  background-color: var(--off-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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;
}

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

/* SKIP LINK */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--green-800);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 16px;
}

/* PRELOADER */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--green-800);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}
.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader-inner {
  color: var(--white);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.95); }
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(247, 245, 240, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(247, 245, 240, 0.96);
  border-bottom-color: var(--neutral-200);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--green-800);
  letter-spacing: -0.02em;
}
.logo-icon {
  color: var(--green-800);
  flex-shrink: 0;
}
.logo-text {
  font-weight: 700;
}
.logo-accent {
  font-weight: 400;
  opacity: 0.7;
}
.logo-light { color: var(--white); }
.logo-light .logo-icon { color: var(--white); }
.logo-light .logo-accent { opacity: 0.8; }

/* NAV */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neutral-700);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--neutral-700);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover {
  color: var(--green-800);
  background: var(--green-50);
}
.nav-cta {
  margin-left: 8px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  padding: 13px 26px;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn:focus-visible {
  outline: 3px solid var(--green-500);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--green-800);
  color: var(--white);
  border-color: var(--green-800);
}
.btn-primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: transparent;
  color: var(--green-800);
  border-color: var(--green-800);
}
.btn-secondary:hover {
  background: var(--green-50);
  transform: translateY(-2px);
}
.btn-primary-outline {
  background: transparent;
  color: var(--green-800);
  border-color: var(--green-800);
  padding: 10px 20px;
  font-size: 0.875rem;
}
.btn-primary-outline:hover {
  background: var(--green-800);
  color: var(--white);
}
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* SECTION HEADERS */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-700);
  background: var(--green-50);
  border: 1px solid var(--green-100);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-tag-light {
  color: var(--green-100);
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--neutral-900);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-title-light { color: var(--white); }
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--neutral-500);
  max-width: 560px;
  line-height: 1.7;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--off-white);
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  color: var(--green-800);
  opacity: 0.5;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content {
  max-width: 540px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-50);
  border: 1px solid var(--green-100);
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--neutral-900);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}
.hero-subheadline {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--neutral-500);
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-visual {
  position: relative;
}
.hero-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-image-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.hero-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
.stat-cards {
  position: absolute;
  bottom: -40px;
  left: -30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 2;
}
.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}
.stat-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-50);
  border-radius: var(--radius-sm);
  color: var(--green-800);
  flex-shrink: 0;
}
.stat-card-body {
  display: flex;
  flex-direction: column;
}
.stat-card-number {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--neutral-900);
  line-height: 1.2;
}
.stat-card-label {
  font-size: 0.8125rem;
  color: var(--neutral-500);
  font-weight: 500;
}
.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 80px;
  color: var(--off-white);
  pointer-events: none;
}

/* SERVICES */
.services {
  padding: 100px 0 120px;
  background: var(--off-white);
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  border: 1px solid var(--neutral-100);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--green-800);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before {
  transform: scaleX(1);
}
.service-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-50);
  border-radius: var(--radius-md);
  color: var(--green-800);
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-card-icon {
  background: var(--green-800);
  color: var(--white);
  transform: scale(1.05);
}
.service-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
}
.service-card-desc {
  font-size: 0.9375rem;
  color: var(--neutral-500);
  line-height: 1.7;
}
.service-card-accent {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  background: var(--green-50);
  border-radius: 50%;
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover .service-card-accent {
  opacity: 1;
}

/* ABOUT */
.about {
  padding: 100px 0 120px;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-images {
  position: relative;
}
.about-image-main {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image-main img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.about-image-secondary {
  position: absolute;
  bottom: -32px;
  right: -24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 5px solid var(--white);
}
.about-image-secondary img {
  width: 280px;
  height: 200px;
  object-fit: cover;
}
.about-experience-badge {
  position: absolute;
  top: -20px;
  right: 40px;
  background: var(--green-800);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-exp-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.about-exp-text {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.85;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.about-content { max-width: 520px; }
.about-lead {
  font-size: 1.0625rem;
  color: var(--neutral-700);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-content > p {
  font-size: 0.9375rem;
  color: var(--neutral-500);
  line-height: 1.75;
  margin-bottom: 12px;
}
.about-values {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.value-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-50);
  border-radius: var(--radius-sm);
  color: var(--green-800);
  flex-shrink: 0;
}
.value-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.value-text strong {
  font-size: 0.9375rem;
  color: var(--neutral-900);
  font-weight: 600;
}
.value-text span {
  font-size: 0.875rem;
  color: var(--neutral-500);
  line-height: 1.5;
}

/* NEW PATIENTS */
.new-patients {
  padding: 100px 0 120px;
  background: var(--green-800);
  position: relative;
  overflow: hidden;
}
.new-patients::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.new-patients-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.about-lead-light {
  color: rgba(255,255,255,0.8);
}
.steps-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.step-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.step-number {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-100);
  line-height: 1;
  min-width: 40px;
  padding-top: 2px;
}
.step-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.step-body strong {
  font-size: 1rem;
  color: var(--white);
  font-weight: 600;
}
.step-body span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.65;
}
.step-body a {
  color: var(--green-100);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.step-body a:hover { color: var(--white); }
.new-patients-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--white);
}
.new-patients-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.new-patients-card-footer {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--green-900);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
}

/* TESTIMONIALS */
.testimonials {
  padding: 100px 0 120px;
  background: var(--off-white);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--neutral-100);
  transition: var(--transition);
  position: relative;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.testimonial-card-quote {
  position: absolute;
  top: 20px;
  right: 28px;
  font-family: var(--font-serif);
  font-size: 5rem;
  line-height: 1;
  color: var(--green-50);
  pointer-events: none;
}
.testimonial-card-text {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--neutral-700);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.testimonial-card-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-50);
  border-radius: 50%;
  color: var(--green-800);
  flex-shrink: 0;
}
.testimonial-card-info {
  display: flex;
  flex-direction: column;
}
.testimonial-card-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--neutral-900);
}
.testimonial-card-meta {
  font-size: 0.8125rem;
  color: var(--neutral-500);
}

/* CONTACT */
.contact {
  padding: 100px 0 120px;
  background: var(--white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info-desc {
  font-size: 1.0625rem;
  color: var(--neutral-500);
  line-height: 1.75;
  margin-bottom: 36px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-detail-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--green-700);
}
.contact-detail dd {
  font-size: 0.9375rem;
  color: var(--neutral-700);
  line-height: 1.7;
}
.contact-detail a {
  color: var(--neutral-700);
  transition: var(--transition);
}
.contact-detail a:hover {
  color: var(--green-800);
}

/* CONTACT FORM */
.contact-form-wrapper {
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--neutral-100);
}
.contact-form-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 6px;
}
.contact-form-subtitle {
  font-size: 0.875rem;
  color: var(--neutral-500);
  margin-bottom: 28px;
}
.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--neutral-700);
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 12px 16px;
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--neutral-900);
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-300);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-md);
  color: var(--green-800);
  font-size: 0.9375rem;
  margin-top: 16px;
}
.form-success strong {
  font-weight: 700;
}

/* FOOTER */
.site-footer {
  background: var(--green-900);
  color: rgba(255,255,255,0.7);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}
.footer-heading {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer-nav a:hover {
  color: var(--white);
  padding-left: 4px;
}
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-contact-list a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  line-height: 1.5;
}
.footer-contact-list a:hover {
  color: var(--white);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-bottom a:hover { color: var(--white); }

/* SCROLL TO TOP */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-800);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  transition: var(--transition);
}
.scroll-top:hover {
  background: var(--green-700);
  transform: translateY(-3px);
}
.scroll-top[hidden] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0);
}

/* ANIMATIONS */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  .hero-subheadline {
    max-width: 100%;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
  }
  .stat-cards {
    position: relative;
    bottom: auto;
    left: auto;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
  }
  .stat-card { min-width: 180px; }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .about-content { max-width: 100%; }
  .new-patients-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 100px 32px 40px;
    gap: 8px;
    box-shadow: var(--shadow-xl);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  .site-nav.open { right: 0; }
  .nav-list {
    flex-direction: column;
    gap: 4px;
  }
  .nav-link {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }
  .nav-cta {
    margin-left: 0;
    margin-top: 16px;
  }
  .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }
  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .mobile-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  .hero {
    padding: 110px 0 100px;
    min-height: auto;
  }
  .hero-headline {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }
  .services { padding: 80px 0 100px; }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .about { padding: 80px 0 100px; }
  .about-image-secondary {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: -40px;
    margin-left: 24px;
  }
  .about-image-secondary img {
    width: 100%;
    max-width: 280px;
  }
  .about-experience-badge {
    top: auto;
    bottom: -16px;
    right: 24px;
  }
  .new-patients { padding: 80px 0 100px; }
  .testimonials { padding: 80px 0 100px; }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .contact { padding: 80px 0 100px; }
  .contact-form-wrapper { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .section-header { margin-bottom: 48px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stat-cards { flex-direction: column; }
  .stat-card { min-width: auto; width: 100%; }
}