/* ===== VARIÁVEIS CSS ===== */
:root {
  /* Cores */
  --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --primary-color: #3b82f6;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  
  /* Dark Mode */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border-color: rgba(148, 163, 184, 0.2);
  
  /* Shadows */
  --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, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);
  
  /* 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;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
* {
  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', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

a:hover {
  color: var(--secondary-color);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
}

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

.btn-ghost:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary-color);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-xl);
}

.navbar-brand {
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
  transition: transform var(--transition-fast);
}

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

.logo-icon {
  width: 40px;
  height: 40px;
}

.logo-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}

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

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

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

.nav-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.btn-nav {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem var(--spacing-lg) 4rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  width: fit-content;
}

.badge-icon {
  font-size: 1.1rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.03em;
}

.gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.stat strong {
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat span {
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.hero-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.server-illustration {
  position: relative;
  z-index: 10;
  animation: float 3s ease-in-out infinite;
}

.server-illustration img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(59, 130, 246, 0.2));
}

.floating-card {
  position: absolute;
  padding: 1rem 1.5rem;
  background: rgba(30, 41, 59, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: float 4s ease-in-out infinite;
}

.card-1 {
  top: 10%;
  left: 0;
  animation-delay: 0s;
}

.card-2 {
  top: 50%;
  right: 0;
  animation-delay: 0.5s;
}

.card-3 {
  bottom: 10%;
  left: 10%;
  animation-delay: 1s;
}

.card-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.card-content i {
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-content p {
  font-size: 0.9rem;
  margin: 0;
  font-weight: 600;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ===== PRICING SECTION ===== */
.pricing {
  padding: 6rem var(--spacing-lg);
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.pricing-card {
  position: relative;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
  transform: translateY(-8px);
}

.pricing-card-featured {
  border: 2px solid var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.3);
}

.pricing-card-featured:hover {
  transform: scale(1.05) translateY(-8px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background: var(--primary-gradient);
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

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

.plan-name {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.plan-badge {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.currency {
  font-size: 1rem;
  color: var(--text-tertiary);
}

.amount {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.period {
  font-size: 0.95rem;
  color: var(--text-tertiary);
}

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

.features-list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  flex: 1;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border-color);
}

.features-list li:last-child {
  border-bottom: none;
}

.features-list i {
  color: var(--success-color);
  font-size: 1.1rem;
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: 6rem var(--spacing-lg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--primary-color);
  background: rgba(59, 130, 246, 0.05);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.feature-card p {
  margin: 0;
  font-size: 0.95rem;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  padding: 6rem var(--spacing-lg);
  background: var(--bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  padding: 2rem;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-lg);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.testimonial-author strong {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 6rem var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: white;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-2xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-content .btn-primary {
  background: white;
  color: var(--primary-color);
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
}

.cta-content .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* ===== FOOTER ===== */
.footer {
  padding: 4rem var(--spacing-lg) 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  font-size: 1rem;
}

.footer-section p {
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
}

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

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

.footer-section a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--primary-gradient);
  border-color: var(--primary-color);
  color: white;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.footer-badges {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.badge {
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
}

/* ===== RESPONSIVO ===== */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-visual {
    height: 350px;
  }

  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .hero-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
  }

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

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 4rem var(--spacing-lg) 2rem;
  }

  .hero-badge {
    font-size: 0.85rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

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

  .btn-lg {
    width: 100%;
  }

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

  .pricing-card-featured {
    transform: scale(1);
  }

  .pricing-card-featured:hover {
    transform: translateY(-8px);
  }

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

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

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  .navbar-container {
    padding: 0.75rem var(--spacing-md);
  }

  .logo {
    font-size: 1.25rem;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
  }

  .nav-actions {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-sm);
  }

  .btn-nav {
    width: 100%;
    padding: 0.75rem 1rem;
  }

  .hero {
    padding: 2rem var(--spacing-md) 1rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-stats {
    gap: var(--spacing-md);
  }

  .stat strong {
    font-size: 1.25rem;
  }

  .pricing-grid {
    gap: 1rem;
  }

  .pricing-card {
    padding: 1.5rem;
  }

  .plan-price {
    gap: var(--spacing-xs);
  }

  .amount {
    font-size: 2rem;
  }

  .cta-content h2 {
    font-size: 1.75rem;
  }

  .cta-content p {
    font-size: 1rem;
  }

  .footer-content {
    gap: 1.5rem;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1rem; }
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@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);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}


/* ===== CANVAS EFFECTS ===== */
#hero-canvas,
#background-particles-canvas,
[id^="pricing-canvas-"] {
  display: block;
}

.hero {
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.pricing-card {
  overflow: hidden;
}

/* Efeito de brilho nos pricing cards */
.pricing-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59, 130, 246, 0.1) 0%, transparent 80%);
  pointer-events: none;
  border-radius: var(--radius-2xl);
}

/* Animação de entrada suave */
@keyframes canvasAppear {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

#hero-canvas,
#background-particles-canvas,
[id^="pricing-canvas-"] {
  animation: canvasAppear 0.5s ease-out;
}

/* Melhorar performance em mobile */
@media (max-width: 768px) {
  #background-particles-canvas {
    display: none;
  }
}