/* ============================================
   OdontoVIP - Premium Dental Clinic
   World-Class Landing Page Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg-deep: #0b1120;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --gold: #c8a961;
  --gold-light: #dfc48a;
  --gold-dark: #a8893e;
  --mint: #4ade80;
  --mint-dark: #22c55e;
  --text-primary: #f0ede8;
  --text-muted: #6b7280;
  --text-subtle: #9ca3af;
  --border: rgba(200, 169, 97, 0.15);
  --border-hover: rgba(200, 169, 97, 0.35);
  --shadow-gold: 0 0 40px rgba(200, 169, 97, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Libre Franklin', sans-serif;
  font-weight: 300;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Tenor Sans', sans-serif;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.accent-font {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 120px 0;
}

.gold-text { color: var(--gold); }
.mint-text { color: var(--mint); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Cursor Follower --- */
.cursor-follower {
  position: fixed;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: transform 0.15s ease, opacity 0.3s ease;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.cursor-follower.visible {
  opacity: 0.7;
}

.cursor-follower.expanded {
  transform: translate(-50%, -50%) scale(3);
  opacity: 0.4;
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-deep);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-icon {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-deep);
}

.nav-logo-text {
  font-family: 'Tenor Sans', sans-serif;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.nav-logo-text span {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-subtle);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--gold);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--bg-deep);
  box-shadow: var(--shadow-gold);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.35);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(11, 17, 32, 0.5) 0%,
    rgba(11, 17, 32, 0.3) 40%,
    rgba(11, 17, 32, 0.7) 80%,
    var(--bg-deep) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 100px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(200, 169, 97, 0.1);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero-title {
  font-size: clamp(2.75rem, 5.5vw, 4.5rem);
  line-height: 1.08;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero-title .accent-font {
  display: block;
  color: var(--gold);
  font-size: 0.85em;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-subtle);
  max-width: 520px;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s 0.8s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s 1s forwards;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 16px 36px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-deep);
}

.btn-gold:hover {
  box-shadow: 0 0 30px rgba(200, 169, 97, 0.4), 0 0 60px rgba(200, 169, 97, 0.15);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-mint {
  background: var(--mint);
  color: var(--bg-deep);
}

.btn-mint:hover {
  background: var(--mint-dark);
  box-shadow: 0 0 30px rgba(74, 222, 128, 0.3);
  transform: translateY(-2px);
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeUp 0.8s 1.4s forwards;
  opacity: 0;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --- Stats Bar --- */
.stats {
  position: relative;
  padding: 60px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 16px;
}

.stat-number {
  font-family: 'Tenor Sans', sans-serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-number .suffix {
  font-size: 0.65em;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
}

.stat-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  display: none;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-tag::before,
.section-tag::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
  opacity: 0.4;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* --- Treatments --- */
.treatments {
  background: var(--bg-deep);
}

.treatments-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.treatment-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  perspective: 800px;
}

.treatment-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.treatment-img {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.treatment-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.treatment-card:hover .treatment-img img {
  transform: scale(1.05);
}

.treatment-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-card), transparent 50%);
}

.treatment-body {
  padding: 32px;
}

.treatment-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(200, 169, 97, 0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  margin-bottom: 20px;
}

.treatment-name {
  font-size: 1.375rem;
  margin-bottom: 12px;
}

.treatment-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

.treatment-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: gap var(--transition);
}

.treatment-link:hover {
  gap: 14px;
}

/* --- Differentials --- */
.differentials {
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}

.differentials::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 169, 97, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.diff-card {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  background: rgba(11, 17, 32, 0.5);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}

.diff-card:hover {
  border-color: var(--border-hover);
  background: rgba(11, 17, 32, 0.8);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.diff-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(200, 169, 97, 0.15), rgba(200, 169, 97, 0.05));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  margin-bottom: 24px;
  transition: all var(--transition);
}

.diff-card:hover .diff-icon {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-deep);
}

.diff-title {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.diff-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Team --- */
.team {
  background: var(--bg-deep);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.team-card {
  text-align: center;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
}

.team-photo {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 28px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border);
  transition: border-color var(--transition);
}

.team-card:hover .team-photo {
  border-color: var(--gold);
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.team-card:hover .team-photo img {
  transform: scale(1.05);
}

.team-name {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.team-role {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--gold);
  font-size: 1rem;
  margin-bottom: 8px;
}

.team-cro {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- Testimonials --- */
.testimonials {
  background: var(--bg-card);
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  gap: 28px;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 19px);
  padding: 40px;
  background: rgba(11, 17, 32, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-width: calc(33.333% - 19px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  color: var(--gold);
}

.testimonial-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-subtle);
  margin-bottom: 28px;
  font-style: italic;
}

.testimonial-text::before {
  content: '\201C';
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  line-height: 0;
  vertical-align: -0.5em;
  color: var(--gold);
  margin-right: 4px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Tenor Sans', sans-serif;
  font-size: 1.125rem;
  color: var(--bg-deep);
}

.testimonial-name {
  font-weight: 500;
  font-size: 0.9375rem;
}

.testimonial-procedure {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.testimonials-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
}

.testimonials-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.testimonials-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(200, 169, 97, 0.1);
}

.testimonials-dots {
  display: flex;
  gap: 8px;
}

.testimonials-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.testimonials-dot.active {
  background: var(--gold);
  width: 24px;
  border-radius: 4px;
}

/* --- Contact --- */
.contact {
  background: var(--bg-deep);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 36px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(200, 169, 97, 0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 1rem;
  font-weight: 400;
}

.contact-map {
  margin-top: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: saturate(0.3) brightness(0.6) contrast(1.2);
  transition: filter var(--transition);
}

.contact-map:hover iframe {
  filter: saturate(0.5) brightness(0.7) contrast(1.1);
}

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.form-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.form-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-subtle);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'Libre Franklin', sans-serif;
  font-size: 0.9375rem;
  font-weight: 300;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 169, 97, 0.1);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.form-select option {
  background: var(--bg-card);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

/* --- Footer --- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-top: 16px;
  line-height: 1.8;
  max-width: 340px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(200, 169, 97, 0.1);
}

.footer-heading {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--gold);
}

/* --- WhatsApp Button --- */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

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

.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  color: #1a1a1a;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #fff;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.stagger-child {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-child.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .stagger-child {
    opacity: 1;
    transform: none;
  }

  .hero-badge,
  .hero-title,
  .hero-subtitle,
  .hero-actions,
  .hero-scroll {
    opacity: 1;
    transform: none;
  }

  .cursor-follower {
    display: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .treatments-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .testimonial-card {
    flex: 0 0 calc(50% - 14px);
    min-width: calc(50% - 14px);
  }

  .contact-grid {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 80px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(11, 17, 32, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    gap: 28px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

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

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .team-photo {
    width: 180px;
    height: 180px;
  }

  .testimonial-card {
    flex: 0 0 100%;
    min-width: 100%;
  }

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

  .contact-form {
    padding: 32px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cursor-follower {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }

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

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

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

  .stat-number {
    font-size: 2rem;
  }
}