/**
 * Modern Design System - Voxel Digital 2025
 * Design limpo, moderno e profissional
 */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors - Paleta Moderna */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-primary-light: #3b82f6;
  
  --color-secondary: #7c3aed;
  --color-accent: #f59e0b;
  
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Montserrat', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 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 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-gray-900);
  background: white;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-gray-600);
}

.text-lg { font-size: 1.25rem; }
.text-xl { font-size: 1.5rem; }

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-narrow {
  max-width: 900px;
}

/* ===== HERO MODERNO ===== */
.hero-modern {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: var(--space-4xl) 0;
}

.hero-modern::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 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='%23ffffff' fill-opacity='0.05'%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");
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  background: linear-gradient(to right, #ffffff, #e0e7ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== BUTTONS MODERNOS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: var(--font-sans);
}

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

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-5xl) 0;
}

.section-gray {
  background: var(--color-gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.section-title {
  margin-bottom: var(--space-md);
  color: var(--color-gray-900);
}

.section-description {
  font-size: 1.25rem;
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

/* ===== CARDS MODERNOS ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-2xl);
}

.card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary-light);
}

.card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 2rem;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-gray-900);
}

.card-text {
  color: var(--color-gray-600);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

.card-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-base);
}

.card-link:hover {
  gap: var(--space-sm);
}

/* ===== HEADER MODERNO ===== */
.header-modern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

.header-modern.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  gap: 2rem;
}

/* Logo Moderno */
.logo-modern {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 42px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.logo-modern:hover .logo-icon {
  transform: translateY(-3px);
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: #333;
  letter-spacing: -0.5px;
}

/* Navegação Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link-modern {
  position: relative;
  color: var(--color-gray-700);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

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

.nav-link-modern::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: width var(--transition-base);
  border-radius: 2px;
}

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

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.dropdown-icon {
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  padding: 1rem;
  min-width: 320px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  display: none;
  border: 1px solid var(--color-gray-200);
}

.dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid white;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  color: var(--color-gray-700);
}

.dropdown-item:hover {
  background: var(--color-gray-50);
  transform: translateX(4px);
}

.dropdown-icon-text {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.dropdown-title {
  font-weight: 600;
  color: var(--color-gray-900);
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.dropdown-desc {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  line-height: 1.3;
}

/* Botão CTA do Header */
.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-header-cta svg {
  transition: transform var(--transition-fast);
}

.btn-header-cta:hover svg {
  transform: translateX(3px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger-line {
  width: 24px;
  height: 2.5px;
  background: var(--color-gray-900);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-toggle:hover .hamburger-line {
  background: var(--color-primary);
}

/* Mobile Menu */
.nav-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: white;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  transition: right var(--transition-slow);
  z-index: 1002;
  overflow-y: auto;
}

.nav-mobile.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  background: white;
  z-index: 1;
}

.mobile-menu-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
}

.mobile-menu-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

.mobile-menu-content {
  padding: 1.5rem;
}

.mobile-menu-section {
  margin-bottom: 1.5rem;
}

.mobile-menu-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  margin-bottom: 0.75rem;
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  color: var(--color-gray-700);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.mobile-menu-link:hover {
  background: var(--color-gray-50);
  color: var(--color-primary);
  transform: translateX(4px);
}

.mobile-menu-link span {
  font-size: 1.25rem;
}

.mobile-menu-divider {
  height: 1px;
  background: var(--color-gray-200);
  margin: 1.5rem 0;
}

/* Mobile Menu Overlay */
.nav-mobile::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: -1;
}

.nav-mobile.active::before {
  opacity: 1;
  visibility: visible;
}

/* ===== FOOTER MODERNO ===== */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-4xl) 0 var(--space-xl);
}

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

.footer-title {
  color: white;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-link {
  color: var(--color-gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-xl);
  text-align: center;
  color: var(--color-gray-300);
}

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

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

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-desktop {
    gap: 1.5rem;
  }
  
  .nav-link-modern {
    font-size: 0.9rem;
  }
  
  .btn-header-cta {
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-container {
    padding: 1rem 1.5rem;
  }
}

@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
  
  .logo-text {
    font-size: 1.15rem;
  }
  
  .logo-icon {
    width: 32px;
    height: 38px;
  }
  
  .header-container {
    padding: 0.875rem 1rem;
  }
  
  .nav-mobile {
    max-width: 100%;
  }
  
  .dropdown-menu {
    min-width: 280px;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1rem;
  }
  
  .logo-icon {
    width: 28px;
    height: 34px;
  }
  
  .mobile-menu-header {
    padding: 1.25rem 1rem;
  }
  
  .mobile-menu-content {
    padding: 1rem;
  }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-white { color: white; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }