/* ════════════════════════════════════════════════════════════════
   ODONTOLOGIA PREMIUM — Design System & Styles
   Landing Page • Clínica Odontológica
   ════════════════════════════════════════════════════════════════ */

/* ─── Google Fonts ─── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Primary Palette — Teal / Emerald */
  --color-primary-50: #f0fdfa;
  --color-primary-100: #ccfbf1;
  --color-primary-200: #99f6e4;
  --color-primary-300: #5eead4;
  --color-primary-400: #2dd4bf;
  --color-primary-500: #14b8a6;
  --color-primary-600: #0d9488;
  --color-primary-700: #0f766e;
  --color-primary-800: #115e59;
  --color-primary-900: #134e4a;

  /* Accent — Gold */
  --color-accent-300: #fcd34d;
  --color-accent-400: #fbbf24;
  --color-accent-500: #f59e0b;
  --color-accent-600: #d97706;

  /* Neutrals */
  --color-neutral-0: #ffffff;
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e5e5e5;
  --color-neutral-300: #d4d4d4;
  --color-neutral-400: #a3a3a3;
  --color-neutral-500: #737373;
  --color-neutral-600: #525252;
  --color-neutral-700: #404040;
  --color-neutral-800: #262626;
  --color-neutral-900: #171717;
  --color-neutral-950: #0a0a0a;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes (Fluid) */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.3vw, 1rem);
  --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-xl: clamp(1.15rem, 1rem + 0.75vw, 1.25rem);
  --text-2xl: clamp(1.35rem, 1.1rem + 1.25vw, 1.5rem);
  --text-3xl: clamp(1.6rem, 1.2rem + 2vw, 1.875rem);
  --text-4xl: clamp(1.9rem, 1.3rem + 3vw, 2.25rem);
  --text-5xl: clamp(2.2rem, 1.5rem + 3.5vw, 3rem);
  --text-6xl: clamp(2.6rem, 1.5rem + 5.5vw, 3.75rem);
  --text-hero: clamp(2.8rem, 1.5rem + 6.5vw, 4.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-section: clamp(4rem, 3rem + 5vw, 8rem);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  --shadow-glow-primary: 0 0 20px rgb(20 184 166 / 0.15), 0 0 40px rgb(20 184 166 / 0.08);
  --shadow-glow-accent: 0 0 20px rgb(245 158 11 / 0.15), 0 0 40px rgb(245 158 11 / 0.08);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 350ms var(--ease-out);
  --transition-slow: 500ms var(--ease-out);

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* Container */
  --container-max: 1280px;
  --container-padding: clamp(1rem, 0.5rem + 2.5vw, 2rem);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: 20px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-neutral-700);
  background-color: var(--color-neutral-0);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

::selection {
  background-color: var(--color-primary-200);
  color: var(--color-primary-900);
}

/* ─── Utility Classes ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

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

/* ─── Section Header ─── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 700px;
  margin-inline: auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-600);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600));
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-neutral-900);
  margin-bottom: var(--space-4);
}

.section-title span {
  color: var(--color-primary-600);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  line-height: 1.7;
  max-width: 580px;
  margin-inline: auto;
}

/* ════════════════════════════════════════════════════════════════
   HEADER / NAVIGATION
   ════════════════════════════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
  padding: var(--space-4) 0;
}

.header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-2) 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: var(--z-modal);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-primary);
  transition: transform var(--transition-fast);
}

.logo:hover .logo-icon {
  transform: scale(1.05);
}

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

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-neutral-900);
}

.logo-tagline {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-600);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-neutral-600);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-700);
  background: var(--color-primary-50);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--color-primary-500);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgb(20 184 166 / 0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-neutral-0);
  color: var(--color-primary-700);
  border: 1.5px solid var(--color-primary-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-primary-400);
  background: var(--color-primary-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-full);
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--space-2);
  z-index: var(--z-modal);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-neutral-700);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  transform-origin: center;
}

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

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

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

/* ════════════════════════════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-neutral-50) 0%, var(--color-primary-50) 50%, var(--color-neutral-0) 100%);
  padding-top: var(--space-20);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 70%;
  height: 140%;
  background: radial-gradient(ellipse, rgba(20, 184, 166, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-neutral-0), transparent);
  pointer-events: none;
  z-index: 2;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary-700);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s var(--ease-out) forwards;
  opacity: 0;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary-500);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.08;
  color: var(--color-neutral-900);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s var(--ease-out) 0.1s forwards;
  opacity: 0;
}

.hero-title .highlight {
  position: relative;
  color: var(--color-primary-600);
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 0.05em;
  left: -4px;
  right: -4px;
  height: 0.35em;
  background: linear-gradient(90deg, rgba(20, 184, 166, 0.15), rgba(20, 184, 166, 0.05));
  border-radius: var(--radius-sm);
  z-index: -1;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 500px;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s forwards;
  opacity: 0;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
  animation: fadeInUp 0.8s var(--ease-out) 0.3s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  animation: fadeInUp 0.8s var(--ease-out) 0.4s forwards;
  opacity: 0;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-neutral-900);
  line-height: 1.2;
}

.hero-stat-value span {
  color: var(--color-primary-500);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  font-weight: 500;
}

/* Hero Image */
.hero-visual {
  position: relative;
  animation: fadeInRight 1s var(--ease-out) 0.3s forwards;
  opacity: 0;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.hero-image-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), transparent 60%);
  pointer-events: none;
}

/* Floating Cards on Hero */
.hero-float-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: float 6s ease-in-out infinite;
}

.hero-float-card--rating {
  bottom: 60px;
  left: -30px;
  animation-delay: 0s;
}

.hero-float-card--patients {
  top: 40px;
  right: -20px;
  animation-delay: 2s;
}

.float-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.float-card-icon--gold {
  background: linear-gradient(135deg, var(--color-accent-400), var(--color-accent-600));
}

.float-card-icon--primary {
  background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-600));
}

.float-card-icon svg {
  width: 22px;
  height: 22px;
  fill: white;
}

.float-card-info {
  display: flex;
  flex-direction: column;
}

.float-card-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-neutral-900);
  line-height: 1.2;
}

.float-card-label {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  font-weight: 500;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ════════════════════════════════════════════════════════════════
   SERVICES SECTION
   ════════════════════════════════════════════════════════════════ */
.services {
  padding: var(--space-section) 0;
  position: relative;
  background: var(--color-neutral-0);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--color-neutral-0);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
  transform: translateY(-6px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card-image {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-6);
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.service-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  transition: all var(--transition-fast);
}

.service-card:hover .service-card-icon {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  box-shadow: var(--shadow-glow-primary);
}

.service-card-icon svg {
  width: 28px;
  height: 28px;
  fill: var(--color-primary-600);
  transition: fill var(--transition-fast);
}

.service-card:hover .service-card-icon svg {
  fill: white;
}

.service-card-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-neutral-900);
  margin-bottom: var(--space-3);
}

.service-card-description {
  font-size: var(--text-base);
  color: var(--color-neutral-500);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-600);
  transition: all var(--transition-fast);
}

.service-card-link:hover {
  color: var(--color-primary-700);
  gap: var(--space-3);
}

.service-card-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card-link svg {
  transform: translateX(4px);
}

/* ════════════════════════════════════════════════════════════════
   ABOUT / CLINIC SECTION
   ════════════════════════════════════════════════════════════════ */
.about {
  padding: var(--space-section) 0;
  background: linear-gradient(180deg, var(--color-neutral-0), var(--color-primary-50), var(--color-neutral-0));
  position: relative;
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-images {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.about-image-main img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-image-secondary {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 220px;
  height: 220px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 4px solid white;
}

.about-image-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  top: 30px;
  left: -20px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  color: white;
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow-primary);
}

.about-experience-badge .years {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1;
  display: block;
}

.about-experience-badge .label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.9;
}

.about-content {
  max-width: 540px;
}

.about-content .section-label {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
}

.about-text {
  font-size: var(--text-base);
  color: var(--color-neutral-600);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neutral-100);
  transition: all var(--transition-fast);
}

.about-feature:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-md);
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-feature-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--color-primary-600);
}

.about-feature-text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-neutral-700);
}

/* ════════════════════════════════════════════════════════════════
   DIFFERENTIALS / WHY CHOOSE US
   ════════════════════════════════════════════════════════════════ */
.differentials {
  padding: var(--space-section) 0;
  background: var(--color-neutral-900);
  position: relative;
  overflow: hidden;
}

.differentials::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at right, rgba(20, 184, 166, 0.08), transparent 70%);
  pointer-events: none;
}

.differentials .section-label {
  color: var(--color-primary-400);
}

.differentials .section-title {
  color: var(--color-neutral-0);
}

.differentials .section-description {
  color: var(--color-neutral-400);
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}

.differential-card {
  padding: var(--space-8) var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.differential-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(20, 184, 166, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.differential-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.15), rgba(20, 184, 166, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.differential-card:hover .differential-icon {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  box-shadow: var(--shadow-glow-primary);
}

.differential-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--color-primary-400);
  transition: fill var(--transition-fast);
}

.differential-card:hover .differential-icon svg {
  fill: white;
}

.differential-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary-400);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.differential-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-neutral-0);
  margin-bottom: var(--space-3);
}

.differential-text {
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  line-height: 1.7;
}

/* ════════════════════════════════════════════════════════════════
   TESTIMONIALS SECTION
   ════════════════════════════════════════════════════════════════ */
.testimonials {
  padding: var(--space-section) 0;
  background: var(--color-neutral-0);
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  padding: var(--space-8);
  background: var(--color-neutral-0);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 25px;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--color-primary-100);
  line-height: 1;
  pointer-events: none;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: var(--color-accent-400);
}

.testimonial-text {
  font-size: var(--text-base);
  color: var(--color-neutral-600);
  line-height: 1.8;
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-200), var(--color-primary-400));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

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

.testimonial-author-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-neutral-900);
}

.testimonial-author-detail {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
}

/* ════════════════════════════════════════════════════════════════
   CTA / CONTACT SECTION
   ════════════════════════════════════════════════════════════════ */
.cta {
  padding: var(--space-section) 0;
  background: linear-gradient(180deg, var(--color-neutral-0), var(--color-primary-50));
  position: relative;
}

.cta-card {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-4);
  line-height: 1.15;
}

.cta-description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.btn-white {
  background: white;
  color: var(--color-primary-700);
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}

.btn-white:hover {
  background: var(--color-neutral-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-outline-white {
  border: 2px solid rgba(255, 255, 255, 0.4);
  color: white;
  font-weight: 600;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

/* ════════════════════════════════════════════════════════════════
   CONTACT SECTION
   ════════════════════════════════════════════════════════════════ */
.contact {
  padding: var(--space-section) 0;
  background: var(--color-neutral-0);
}

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-info {
  max-width: 480px;
}

.contact-info .section-label,
.contact-info .section-title {
  text-align: left;
}

.contact-text {
  font-size: var(--text-base);
  color: var(--color-neutral-500);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-neutral-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-neutral-100);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-md);
  background: var(--color-primary-50);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.contact-item-content {
  display: flex;
  flex-direction: column;
}

.contact-item-label {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-item-value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-neutral-800);
}

/* Social Links */
.contact-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neutral-200);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: var(--color-neutral-600);
  transition: fill var(--transition-fast);
}

.social-link:hover svg {
  fill: white;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--color-neutral-0);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

.contact-form-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-neutral-900);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-neutral-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-neutral-800);
  background: var(--color-neutral-0);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-neutral-400);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ════════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-neutral-900);
  padding: var(--space-16) 0 var(--space-8);
  color: var(--color-neutral-400);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-name {
  color: var(--color-neutral-0);
}

.footer-brand .logo-tagline {
  color: var(--color-primary-400);
}

.footer-brand-text {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-neutral-500);
  max-width: 320px;
}

.footer-column-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-neutral-0);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--color-primary-400);
  padding-left: var(--space-2);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.footer-legal a:hover {
  color: var(--color-primary-400);
}

/* ════════════════════════════════════════════════════════════════
   WHATSAPP FLOATING BUTTON
   ════════════════════════════════════════════════════════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-overlay);
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-fast);
  animation: fadeInUp 1s var(--ease-out) 1s forwards;
  opacity: 0;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.3);
  animation: whatsapp-pulse 2s ease-in-out infinite;
  z-index: -1;
}

@keyframes whatsapp-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 0; }
}

/* ════════════════════════════════════════════════════════════════
   SCROLL ANIMATIONS (Intersection Observer)
   ════════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

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

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

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

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delays for grids */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-10);
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-description {
    max-width: 100%;
    margin-inline: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    max-width: 560px;
    margin-inline: auto;
  }

  .hero-float-card--rating {
    left: 10px;
    bottom: 40px;
  }

  .hero-float-card--patients {
    right: 10px;
  }

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

  .about .container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .about-images {
    max-width: 500px;
    margin-inline: auto;
  }

  .about-content {
    max-width: 100%;
    text-align: center;
  }

  .about-content .section-label,
  .about-content .section-title {
    text-align: center;
  }

  .about-features {
    max-width: 420px;
    margin-inline: auto;
    margin-bottom: var(--space-8);
  }

  .about-content .btn {
    margin-inline: auto;
  }

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

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

  .contact .container {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE — Mobile
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Nav */
  .nav-list {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: var(--z-overlay);
  }

  .nav-list.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-list .nav-link {
    font-size: var(--text-xl);
    padding: var(--space-3) var(--space-6);
  }

  .nav .btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: var(--space-16);
  }

  .hero-image-wrapper img {
    height: 350px;
  }

  .hero-float-card {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  /* Differentials */
  .differentials-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-inline: auto;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  /* About */
  .about-image-secondary {
    width: 160px;
    height: 160px;
    bottom: -20px;
    right: -10px;
  }

  .about-experience-badge {
    left: -10px;
    top: 20px;
    padding: var(--space-4);
  }

  .about-experience-badge .years {
    font-size: var(--text-3xl);
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-card {
    padding: var(--space-10) var(--space-6);
  }

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

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

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

@media (max-width: 480px) {
  .hero-image-wrapper img {
    height: 280px;
  }

  .about-image-main img {
    height: 320px;
  }
}

/* ─── Print Styles ─── */
@media print {
  .header,
  .whatsapp-float,
  .hamburger {
    display: none !important;
  }

  body {
    color: black;
    background: white;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
}