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

:root {
  --background: #fdfcf9;
  --foreground: #1a1a1a;
  --card: #ffffff;
  --card-foreground: #1a1a1a;
  --primary: #1a1a1a;
  --primary-foreground: #fafafa;
  --secondary: #f5f0e6;
  --secondary-foreground: #1a1a1a;
  --muted: #f5f5f5;
  --muted-foreground: #666666;
  --accent: #22c55e;
  --accent-foreground: #ffffff;
  --border: #e8e4dc;
  --ring: #c9a86c;
  --whatsapp: #25D366;
  --whatsapp-hover: #20bd5a;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--foreground);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

strong {
  font-weight: 600;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-lg {
  max-width: 1152px;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  transition: all 0.3s ease;
  padding: 1rem 0;
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  padding: 0.75rem 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--secondary);
  border-radius: 0.5rem;
}

.logo-icon svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary);
}

.logo-text {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--whatsapp);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: white;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
}

.btn-whatsapp svg {
  width: 1rem;
  height: 1rem;
}

.btn-whatsapp-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-whatsapp-lg:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.btn-whatsapp-xl {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(to bottom, var(--secondary), rgba(245, 240, 230, 0.5), var(--background));
  padding: 7rem 1rem 4rem;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  max-width: 896px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26, 26, 26, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero-badge svg {
  width: 1rem;
  height: 1rem;
}

.hero h1 {
  font-size: 1.875rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.hero h1 .highlight {
  color: var(--ring);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: left;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.hero-card-content {
  display: flex;
  gap: 1rem;
}

.hero-card-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--secondary);
  border-radius: 9999px;
}

.hero-card-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary);
}

.hero-card p {
  font-size: 1rem;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.hero-card p:last-child {
  margin-bottom: 0;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Alert Section */
.alert-section {
  background: var(--primary);
  padding: 4rem 1rem;
}

.alert-section .container {
  max-width: 896px;
}

.alert-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.alert-header svg {
  width: 2rem;
  height: 2rem;
  color: var(--secondary);
}

.alert-header h2 {
  font-size: 1.5rem;
  color: white;
  text-align: center;
}

.alert-header h2 .highlight {
  color: var(--secondary);
}

.alert-content {
  text-align: center;
  margin-bottom: 2rem;
}

.alert-content p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
}

.alert-content .highlight {
  color: var(--secondary);
  font-weight: 600;
}

.alert-box {
  max-width: 672px;
  margin: 0 auto 2rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  padding: 1rem;
}

.alert-box-content {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.alert-box svg {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--secondary);
  margin-top: 0.125rem;
}

.alert-box p {
  text-align: left;
  font-size: 1rem;
  color: white;
}

/* Who Needs Section */
.who-needs {
  background: var(--background);
  padding: 4rem 1rem;
}

.who-needs h2 {
  font-size: 1.5rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 1rem;
}

.who-needs .subtitle {
  text-align: center;
  color: var(--muted-foreground);
  margin-bottom: 2.5rem;
}

.who-needs .subtitle .highlight {
  color: var(--primary);
  font-weight: 600;
}

.requirements-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.requirement-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.2s ease;
}

.requirement-card:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.requirement-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--secondary);
  border-radius: 0.5rem;
}

.requirement-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--primary);
}

.requirement-card p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--foreground);
}

.who-needs .note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

/* How It Works Section */
.how-it-works {
  background: rgba(245, 240, 230, 0.3);
  padding: 4rem 1rem;
}

.how-it-works .container {
  max-width: 1152px;
}

.how-it-works h2 {
  font-size: 1.5rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 1rem;
}

.how-it-works .subtitle {
  text-align: center;
  color: var(--muted-foreground);
  margin-bottom: 3rem;
}

.steps-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-icon-wrapper {
  position: relative;
  margin-bottom: 1rem;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5rem;
  height: 5rem;
  background: var(--card);
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.step-icon svg {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--accent);
}

.step-number {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--ring);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
}

.step h3 {
  font-size: 1.125rem;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Benefits Section */
.benefits {
  background: var(--background);
  padding: 4rem 1rem;
}

.benefits h2 {
  font-size: 1.5rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 1rem;
}

.benefits .subtitle {
  text-align: center;
  color: var(--muted-foreground);
  margin-bottom: 2.5rem;
}

.benefits-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.benefit-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.benefit-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--accent);
  border-radius: 9999px;
}

.benefit-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: white;
}

.benefit-card p {
  font-weight: 500;
  color: var(--foreground);
}

/* Final CTA Section */
.final-cta {
  background: linear-gradient(to bottom, rgba(245, 240, 230, 0.5), var(--secondary));
  padding: 4rem 1rem;
}

.final-cta .container {
  max-width: 768px;
  text-align: center;
}

.final-cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background: var(--card);
  border-radius: 1rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.final-cta-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
}

.final-cta h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.final-cta .subtitle {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

.final-cta .subtitle .highlight {
  color: var(--primary);
  font-weight: 600;
}

.final-cta .note {
  font-size: 1rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

.final-cta .note .highlight {
  color: var(--primary);
  font-weight: 600;
}

.final-cta .footer-note {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 1rem;
}

/* Urgency Section */
.urgency {
  background: var(--primary);
  padding: 2.5rem 1rem;
}

.urgency-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  max-width: 896px;
  margin: 0 auto;
}

.urgency-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.urgency-info svg {
  width: 2rem;
  height: 2rem;
  color: var(--secondary);
}

.urgency-info .title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-foreground);
}

.urgency-info .subtitle {
  font-size: 0.875rem;
  color: rgba(250, 250, 250, 0.8);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 2rem 1rem;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.footer .tagline {
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.footer .contact {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.footer .contact svg {
  width: 1rem;
  height: 1rem;
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: var(--whatsapp);
  border-radius: 9999px;
  color: white;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

.floating-whatsapp:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--whatsapp);
}

.floating-whatsapp svg {
  width: 1.75rem;
  height: 1.75rem;
}

/* Responsive Design */
@media (min-width: 640px) {
  .logo {
    gap: 0.5rem;
  }
  
  .logo-icon {
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .logo-icon svg {
    width: 1.25rem;
    height: 1.25rem;
  }
  
  .logo-text {
    font-size: 1.125rem;
  }
  
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .btn-whatsapp-header .text-full {
    display: inline;
  }
  
  .btn-whatsapp-header .text-short {
    display: none;
  }
  
  .requirements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .hero {
    padding: 9rem 1rem 6rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-card {
    padding: 2rem;
  }
  
  .hero-card p {
    font-size: 1.125rem;
  }
  
  .btn-whatsapp-lg, .btn-outline {
    padding: 1rem 2rem;
    font-size: 1.125rem;
  }
  
  .btn-whatsapp-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
  }
  
  .btn-whatsapp svg, .btn-outline svg {
    width: 1.5rem;
    height: 1.5rem;
  }
  
  .alert-section {
    padding: 5rem 1rem;
  }
  
  .alert-header h2 {
    font-size: 1.875rem;
  }
  
  .alert-content p {
    font-size: 1.25rem;
  }
  
  .who-needs, .how-it-works, .benefits, .final-cta {
    padding: 5rem 1rem;
  }
  
  .who-needs h2, .how-it-works h2, .benefits h2 {
    font-size: 1.875rem;
  }
  
  .final-cta h2 {
    font-size: 2.25rem;
  }
  
  .final-cta .subtitle {
    font-size: 1.25rem;
  }
  
  .urgency-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  
  .floating-whatsapp {
    width: 4rem;
    height: 4rem;
  }
  
  .floating-whatsapp svg {
    width: 2rem;
    height: 2rem;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.75rem;
  }
  
  .hero-subtitle {
    font-size: 1.5rem;
  }
  
  .alert-header h2, .who-needs h2, .how-it-works h2, .benefits h2 {
    font-size: 2.25rem;
  }
  
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .final-cta h2 {
    font-size: 3rem;
  }
}