/* ============================================
   AGÊNCIA EMARANHADO - LANDING PAGE
   Design System & Styles
   ============================================ */

:root {
  /* Paleta de Cores Primária */
  --color-primary: #1a1a1a;        /* Preto profundo */
  --color-secondary: #0066ff;      /* Azul vibrante */
  --color-accent: #ff6b35;         /* Laranja quente */
  --color-light: #f5f5f5;          /* Branco quase puro */
  --color-light-gray: #e8e8e8;     /* Cinza leve */
  --color-text: #2c2c2c;           /* Texto principal */
  --color-text-light: #666666;     /* Texto secundário */
  --color-border: #dedede;         /* Bordas sutis */
  --color-success: #10b981;        /* Verde sucesso */
  --color-warning: #f59e0b;        /* Âmbar aviso */
  --color-error: #ef4444;          /* Vermelho erro */

  /* Tipografia */
  --font-primary: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Great Vibes', cursive;

  /* Tamanhos de Fonte */
  --font-size-xs: 0.75rem;         /* 12px */
  --font-size-sm: 0.875rem;        /* 14px */
  --font-size-base: 1rem;          /* 16px */
  --font-size-lg: 1.125rem;        /* 18px */
  --font-size-xl: 1.5rem;          /* 24px */
  --font-size-2xl: 2rem;           /* 32px */
  --font-size-3xl: 2.5rem;         /* 40px */
  --font-size-4xl: 3.5rem;         /* 56px */

  /* Espaçamento */
  --spacing-xs: 0.25rem;           /* 4px */
  --spacing-sm: 0.5rem;            /* 8px */
  --spacing-md: 1rem;              /* 16px */
  --spacing-lg: 1.5rem;            /* 24px */
  --spacing-xl: 2rem;              /* 32px */
  --spacing-2xl: 3rem;             /* 48px */
  --spacing-3xl: 4rem;             /* 64px */
  --spacing-4xl: 6rem;             /* 96px */

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.2);

  /* Raios de Borda */
  --radius-sm: 0.375rem;           /* 6px */
  --radius-md: 0.5rem;             /* 8px */
  --radius-lg: 1rem;               /* 16px */
  --radius-xl: 1.5rem;             /* 24px */
  --radius-full: 9999px;

  /* Transições */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-bg: 400;
  --z-modal: 500;
  --z-tooltip: 600;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: #ffffff;
  overflow-x: hidden;
}

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

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
}

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

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

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

/* Container e Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section-small {
  padding: var(--spacing-2xl) 0;
}

/* Grid Flexível */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Flexbox Utilitários */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-col {
  flex-direction: column;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  font-family: var(--font-primary);
  white-space: nowrap;
  gap: var(--spacing-sm);
}

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

.btn-primary:hover {
  background-color: #0052cc;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

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

.btn-accent {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: #e55a2b;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  background-color: var(--color-light-gray);
  border-color: var(--color-text);
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Cards */
.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
  transform: translateY(-4px);
}

.card-elevated {
  box-shadow: var(--shadow-md);
  border: none;
}

/* Badges */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.badge-accent {
  background-color: var(--color-accent);
  color: white;
}

.badge-success {
  background-color: var(--color-success);
  color: white;
}

/* Tags */
.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  background-color: var(--color-light-gray);
  color: var(--color-text);
  border-radius: var(--radius-md);
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

/* Linhas Decorativas */
.divider {
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin: var(--spacing-2xl) 0;
}

/* Acessibilidade */
.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;
}

/* Utilidades */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-light);
}

.text-small {
  font-size: var(--font-size-sm);
}

.text-large {
  font-size: var(--font-size-lg);
}

.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.pt-md { padding-top: var(--spacing-md); }
.pb-md { padding-bottom: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pb-lg { padding-bottom: var(--spacing-lg); }

/* Responsividade Base */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }

  .section-small {
    padding: var(--spacing-lg) 0;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .container {
    padding: 0 var(--spacing-md);
  }
}

/* Animações */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes slideUp {
  from {
    transform: translateY(10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

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

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

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

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* AOS Library Overrides */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos].aos-animate {
  opacity: 1;
}

/* Smooth Scroll Behavior */
html {
  scroll-behavior: smooth;
}