/* SmartSecretary V3 - Landing Page CSS (Odontologia) */
/* Design: SaaS B2B Premium, Clean, Modern */
/* Font: Inter (system fallback) */

:root {
  /* Colors */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #10b981;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-dark: #0f172a;
  --text-gray: #475569;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-gray);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.3);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:active::after {
  width: 300px;
  height: 300px;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: white;
}

.btn-link {
  background-color: transparent;
  color: var(--primary);
  padding: 0;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-link:hover {
  color: var(--primary-dark);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-dark);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
}

nav {
  display: none;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  nav {
    display: flex;
  }
}

nav a {
  color: var(--text-gray);
  font-weight: 500;
  transition: color var(--transition-base);
}

nav a:hover {
  color: var(--text-dark);
}

.header-cta {
  display: none;
}

@media (min-width: 768px) {
  .header-cta {
    display: block;
  }
}

/* Hero Section */
.hero {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-3xl) 0;
  }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

.hero-text h1 {
  margin-bottom: var(--spacing-lg);
  color: var(--text-dark);
}

.hero-text > p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
}

.hero-visual {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.15), 0 0 60px -15px rgba(16, 185, 129, 0.1);
  border: 2px solid rgba(37, 99, 235, 0.1);
  position: relative;
  overflow: hidden;
  animation: heroGlow 4s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% {
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.15), 0 0 60px -15px rgba(16, 185, 129, 0.1);
  }
  50% {
    box-shadow: 0 20px 50px -5px rgba(37, 99, 235, 0.25), 0 0 80px -10px rgba(16, 185, 129, 0.15);
  }
}

@media (max-width: 768px) {
  .hero-visual {
    min-height: 300px;
    padding: var(--spacing-xl);
  }
}

.mockup-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.mockup-phone {
  width: 100%;
  max-width: 320px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.2);
  overflow: hidden;
  animation: slideUp 0.8s ease-out;
}

.mockup-header {
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: white;
  padding: 1rem;
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
}

.mockup-messages {
  padding: 1rem;
  height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.message-received {
  background: #e5e7eb;
  color: #1f2937;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border-radius: 12px 12px 12px 0;
  max-width: 80%;
  font-size: 0.875rem;
  line-height: 1.4;
  animation: slideInLeft 0.5s ease-out forwards;
  opacity: 0;
}

.message-received:nth-child(1) { animation-delay: 0.2s; }
.message-received:nth-child(3) { animation-delay: 0.6s; }

.message-sent {
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border-radius: 12px 12px 0 12px;
  max-width: 80%;
  margin-left: auto;
  font-size: 0.875rem;
  line-height: 1.4;
  animation: slideInRight 0.5s ease-out forwards;
  opacity: 0;
}

.message-sent:nth-child(2) { animation-delay: 0.4s; }
.message-sent:nth-child(4) { animation-delay: 0.8s; }

.status-badge {
  position: absolute;
  bottom: -15px;
  right: 20px;
  background: white;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
  animation: slideUp 0.8s ease-out 1s both;
}
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardFloat {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes shimmer {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(20px, 20px);
  }
}

/* Organic Divider */
.divider {
  width: 100%;
  height: 80px;
  display: block;
  margin: var(--spacing-2xl) 0 0 0;
  fill: var(--bg-light);
}

/* Section */
section {
  padding: var(--spacing-4xl) 0;
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-3xl) 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Problems Section */
.problems {
  background-color: var(--bg-light);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}
.problem-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(37, 99, 235, 0.05);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.15);
  border-color: var(--primary);
  background: linear-gradient(135deg, white 0%, rgba(37, 99, 235, 0.02) 100%);
}

.problem-card h3 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.problem-card p {
  color: var(--text-gray);
  margin-bottom: 0;
}

/* Benefits Section */
.benefits-list {
  max-width: 700px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.05);
  transition: all var(--transition-base);
}

.benefit-item:hover {
  border-color: var(--primary);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.15);
  transform: translateY(-4px);
  background: linear-gradient(135deg, white 0%, rgba(37, 99, 235, 0.02) 100%);
}

.benefit-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
}

.benefit-content h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.benefit-content p {
  margin-bottom: 0;
  color: var(--text-gray);
}

/* How It Works Section */
.how-it-works {
  background-color: var(--bg-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.step-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.05);
  text-align: center;
  transition: all var(--transition-base);
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
  background: linear-gradient(135deg, white 0%, rgba(37, 99, 235, 0.03) 100%);
  border-color: var(--primary);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.step-card h3 {
  margin-bottom: var(--spacing-md);
}

.step-card p {
  margin-bottom: 0;
}

/* Results Section */
.results {
  background-color: var(--bg-light);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.result-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.05);
  transition: all var(--transition-base);
}

.result-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
  background: linear-gradient(135deg, white 0%, rgba(16, 185, 129, 0.03) 100%);
  border-color: var(--secondary);
}

.result-card h3 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.result-card p {
  margin-bottom: 0;
}

.security-block {
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  margin-top: var(--spacing-2xl);
}

.security-block h3 {
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.security-block p {
  margin-bottom: 0;
  font-size: 1.125rem;
}

/* For Whom Section */
.for-whom {
  background-color: var(--bg-light);
}

.for-whom-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.for-whom-item {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all var(--transition-base);
}

.for-whom-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.for-whom-item p {
  margin-bottom: 0;
  font-weight: 500;
}

/* Plans Section */
.plans {
  background-color: var(--bg-light);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

@media (max-width: 1024px) {
  .plans-grid {
    grid-template-columns: 1fr;
  }
}

.plan-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.05);
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.2);
  border-color: var(--primary);
}

.plan-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-lg);
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .plan-card.featured {
    transform: scale(1);
  }
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.plan-price-period {
  font-size: 0.95rem;
  color: var(--text-gray);
  font-weight: 400;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.plan-description {
  color: var(--text-gray);
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
  line-height: 1.6;
}

.plan-features {
  flex-grow: 1;
  margin-bottom: var(--spacing-xl);
}

.plan-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--text-gray);
  font-size: 0.95rem;
}

.plan-feature::before {
  content: '✓';
  color: var(--secondary);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: -2px;
}

.plan-cta {
  width: 100%;
  margin-top: auto;
}

.plan-card.featured .plan-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
}

.plan-card.featured .plan-cta:hover {
  background: var(--primary-dark);
}

.plans-disclaimer {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: var(--spacing-lg);
  line-height: 1.6;
}

.plans-disclaimer-item {
  margin-bottom: var(--spacing-sm);
}

/* Testimonials Section */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(37, 99, 235, 0.05);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
  border-color: var(--primary);
  background: linear-gradient(135deg, white 0%, rgba(37, 99, 235, 0.02) 100%);
}
.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.testimonial-stars {
  color: #fbbf24;
  margin-bottom: var(--spacing-md);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  color: var(--text-gray);
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--text-light);
}

.testimonial-disclaimer {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: var(--spacing-lg);
  font-style: italic;
}

/* FAQ Section */
.faq {
  background-color: var(--bg-light);
}

.faq-container {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--spacing-lg);
  background: white;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-dark);
  transition: all var(--transition-base);
}

.faq-question:hover {
  background-color: var(--bg-light);
}

.faq-toggle {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  padding: 0 var(--spacing-lg);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
  margin-bottom: 0;
  color: var(--text-gray);
  line-height: 1.8;
}

/* CTA Final Section */
.cta-final {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
}

.cta-final h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-final p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-2xl);
  font-size: 1.125rem;
}

.cta-final .btn-primary {
  background-color: white;
  color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.cta-final .btn-primary:hover {
  background-color: var(--bg-light);
  transform: translateY(-2px);
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: var(--text-light);
  padding: var(--spacing-2xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--text-light);
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

@media (max-width: 640px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.footer-bottom a {
  font-size: 0.875rem;
  color: var(--text-light);
}

.footer-bottom a:hover {
  color: white;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.fade-in {
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive */
@media (max-width: 640px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero-buttons {
    gap: var(--spacing-sm);
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
  }
}

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

/* Print */
@media print {
  header, .cta-final {
    display: none;
  }
}


/* ===== MELHORIAS GERAIS ===== */

/* Header Sticky */
header {
  position: sticky;
  top: 0;
  background: white;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-dark);
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
}

.nav-desktop {
  display: flex;
  gap: 2rem;
  flex: 1;
}

.nav-link {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-color);
}

.nav-mobile.active {
  display: flex;
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .header-content {
    padding: 1rem 0;
    gap: 1rem;
  }

  .logo {
    font-size: 1rem;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }
}

/* Hero Melhorado */
.hero {
  padding: 6rem 0;
}

.hero-text h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-text > p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-gray);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .hero-text h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 4rem 0;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* Planos Destaque */
.plan-card.featured {
  transform: scale(1.05);
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 1px var(--primary), 0 20px 60px rgba(37, 99, 235, 0.25);
}

.plan-card.featured:hover {
  transform: scale(1.08);
  box-shadow: 0 0 0 1px var(--primary), 0 30px 80px rgba(37, 99, 235, 0.35);
}

.plan-badge {
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

/* CTA Final Impactante */
.cta-final {
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  border-radius: 16px;
  margin: 4rem 0;
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.2);
}

.cta-final h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
  font-weight: 700;
}

.cta-final p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.cta-final .btn {
  background: white;
  color: var(--primary);
  font-weight: 600;
  padding: 1rem 2.5rem;
  font-size: 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.cta-final .btn:hover {
  background: #f0f9ff;
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* Footer Melhorado */
footer {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section {
  padding: 0 1rem;
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: white;
  font-weight: 600;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.8;
}

/* Pulse Effect em CTAs */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
  }
}

.btn-primary {
  animation: pulse 2s infinite;
}

.btn-primary:hover {
  animation: none;
}

/* Fade-in ao Scroll */
.fade-in-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}