/* ============================================
   WORKNEW - SITE HTML
   Design System & Global Styles
   ============================================ */

/* ============================================
   1. VARIÁVEIS E CORES
   ============================================ */

:root {
  /* Cores Primárias */
  --color-primary: #00A99D;
  --color-primary-dark: #008B7F;
  --color-primary-light: #1BC4B0;
  
  /* Cores Secundárias */
  --color-accent: #D1C4E9;
  --color-accent-light: #E8E0F7;
  
  /* Cores Neutras */
  --color-white: #FFFFFF;
  --color-light-bg: #FDFDFD;
  --color-gray-light: #F5F5F5;
  --color-gray-medium: #999999;
  --color-gray-dark: #666666;
  --color-text-dark: #333333;
  --color-text-light: #555555;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  
  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Tipografia */
  --font-family-main: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-family-accent: 'Montserrat', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 48px;
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   2. RESET E ESTILOS BASE
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family-main);
  color: var(--color-text-dark);
  background-color: var(--color-light-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   3. TIPOGRAFIA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-accent);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

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

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

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

/* ============================================
   4. COMPONENTES REUTILIZÁVEIS
   ============================================ */

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

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: 8px;
  font-family: var(--font-family-main);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  text-decoration: none;
}

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

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

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.section-title p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-dark);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   5. HEADER E NAVEGAÇÃO
   ============================================ */

header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  height: 50px;
  display: flex;
  align-items: center;
}

.logo img {
  height: 100%;
  width: auto;
}

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

.nav-menu a {
  color: var(--color-text-dark);
  font-weight: 500;
  transition: color var(--transition-normal);
}

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

.nav-menu .btn {
  margin-left: var(--spacing-lg);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-dark);
}

/* ============================================
   6. HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-light-bg) 0%, var(--color-accent-light) 100%);
  padding: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background-color: var(--color-accent);
  border-radius: 50%;
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.hero-text p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-lg);
}

.hero-image {
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

/* ============================================
   7. SEÇÃO DE VÍDEO
   ============================================ */

.video-section {
  background-color: var(--color-white);
}

.video-container {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-container video {
  display: block;
  width: 100%;
  height: auto;
  background-color: #000;
}

/* ============================================
   8. SEÇÃO DE PROBLEMAS
   ============================================ */

.problems-section {
  background-color: var(--color-white);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.problem-card {
  background-color: var(--color-light-bg);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

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

.problem-card p {
  color: var(--color-text-light);
}

/* ============================================
   9. SEÇÃO DE SOLUÇÃO
   ============================================ */

.solution-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.solution-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.solution-text h2,
.solution-text h3 {
  color: var(--color-white);
}

.solution-text p {
  color: rgba(255, 255, 255, 0.9);
}

.slogan {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-accent-light);
  margin: var(--spacing-xl) 0;
  font-style: italic;
}

.solution-image {
  text-align: center;
}

.solution-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

/* ============================================
   10. SEÇÃO DE COMO FUNCIONA
   ============================================ */

.how-it-works {
  background-color: var(--color-white);
}

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

.step-card {
  background-color: var(--color-light-bg);
  padding: var(--spacing-xl);
  border-radius: 12px;
  text-align: center;
  border-top: 4px solid var(--color-primary);
  transition: all var(--transition-normal);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step-number {
  display: inline-block;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  line-height: 50px;
  text-align: center;
  font-weight: 700;
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.step-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}
/* ============================================
   11. SEÇÃO DE BENEFÍCIOS
   ============================================ */

.benefits-section {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-light-bg) 100%);
}

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

.benefit-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.benefit-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

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

.benefit-card p {
  color: var(--color-text-light);
}

/* ============================================
   12. SEÇÃO DE DEPOIMENTOS
   ============================================ */

.testimonials-section {
  background-color: rgba(0, 0, 0, 0.8);
  color: var(--color-white);
  background-attachment: fixed;
}

.testimonials-section h2 {
  color: var(--color-white);
}

.testimonial-card {
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-text-dark);
  padding: var(--spacing-xl);
  border-radius: 12px;
  text-align: center;
  max-width: 600px;
  margin: var(--spacing-2xl) auto 0;
  box-shadow: var(--shadow-lg);
}

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

.testimonial-author {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-base);
  display: none;
}

/* ============================================
   13. SEÇÃO DE CONTATO
   ============================================ */

.contact-section {
  background-color: var(--color-white);
}

.contact-content {
  max-width: 700px;
  margin: 0 auto;
}

.contact-form {
  display: grid;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-dark);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray-light);
  border-radius: 8px;
  font-family: var(--font-family-main);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 169, 157, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-gray-light);
}

.contact-info-item h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-info-item p {
  color: var(--color-text-light);
}

/* ============================================
   14. FOOTER
   ============================================ */

footer {
  background-color: var(--color-text-dark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

footer .logo {
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

footer p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.social-links a {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  transition: color var(--transition-normal);
}

.social-links a:hover {
  color: var(--color-primary);
}

/* ============================================
   16. RESPONSIVIDADE
   ============================================ */

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 32px;
    --font-size-3xl: 24px;
    --font-size-2xl: 20px;
    --spacing-2xl: 2rem;
    --spacing-xl: 1.5rem;
  }

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

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    gap: var(--spacing-md);
  }

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

  .nav-menu .btn {
    margin-left: 0;
    width: 100%;
  }

  .hero-content,
  .solution-content {
    grid-template-columns: 1fr;
  }

  .hero-text h1,
  .solution-text h2 {
    font-size: var(--font-size-3xl);
  }

  .problems-grid,
  .benefits-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  :root {
    --font-size-4xl: 24px;
    --font-size-3xl: 20px;
    --font-size-2xl: 18px;
    --spacing-2xl: 1.5rem;
    --spacing-xl: 1rem;
  }

  h1 {
    font-size: var(--font-size-3xl);
  }

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

  .contact-info {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   17. UTILITÁRIOS
   ============================================ */

.text-center {
  text-align: center;
}

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

.text-white {
  color: var(--color-white);
}

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

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

.py-xl {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.success-message {
  background-color: #4CAF50;
  color: white;
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-bottom: var(--spacing-lg);
  display: none;
}

.success-message.show {
  display: block;
}

.error-message {
  background-color: #f44336;
  color: white;
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-bottom: var(--spacing-lg);
  display: none;
}

.error-message.show {
  display: block;
}