/* ============================================
   RETROCLIK UFISYSTEM - SITE ESTÁTICO
   Estilos globais e responsivos
   ============================================ */

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

:root {
  --primary-orange: #FF6B35;
  --dark-gray: #1a1a1a;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --text-dark: #333333;
  --text-light: #666666;
  --success-green: #4CAF50;
  --warning-yellow: #FFC107;
  --border-color: #e0e0e0;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 {
  font-size: 3.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.8rem;
}

h4 {
  font-size: 1.4rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: 1rem;
}

a {
  color: var(--primary-orange);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #e55a2b;
}

/* ============================================
   CONTAINERS E LAYOUT
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: -15px;
}

.col {
  flex: 1;
  min-width: 300px;
  padding: 15px;
}

.col-md-6 {
  flex: 0 0 50%;
}

.col-md-4 {
  flex: 0 0 33.333%;
}

.col-md-3 {
  flex: 0 0 25%;
}

/* ============================================
   HEADER E NAVEGAÇÃO
   ============================================ */

header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 80px;
  width: auto;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-orange);
}

nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

nav a {
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-buttons {
  display: flex;
  gap: 15px;
}

/* ============================================
   BOTÕES
   ============================================ */

.btn {
  display: inline-block;
  padding: 12px 30px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
  background-color: #333333;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-orange);
  border: 2px solid var(--primary-orange);
}

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

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  color: var(--dark-gray);
  margin-bottom: 20px;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--text-light);
}

.hero-cta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-features {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-feature-icon {
  width: 30px;
  height: 30px;
  background-color: var(--primary-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: bold;
  flex-shrink: 0;
}

.hero-image {
  flex: 1;
  min-width: 300px;
}

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

/* ============================================
   SEÇÃO DE FEATURES
   ============================================ */

.features {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  color: var(--dark-gray);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-light);
}

.feature-card {
  background-color: var(--white);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background-color: rgba(255, 107, 53, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
}

.feature-card h3 {
  margin-bottom: 15px;
  color: var(--dark-gray);
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ============================================
   SEÇÃO DE PLANOS
   ============================================ */

.pricing {
  padding: 80px 0;
  background-color: var(--white);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.pricing-card {
  background-color: var(--white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary-orange);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-badge {
  display: inline-block;
  background-color: var(--primary-orange);
  color: var(--white);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--dark-gray);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-orange);
  margin-bottom: 10px;
}

.pricing-period {
  color: var(--text-light);
  margin-bottom: 30px;
  font-size: 0.95rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  text-align: left;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-green);
  font-weight: bold;
  font-size: 1.2rem;
}

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

.pricing-card .btn {
  width: 100%;
  margin-top: 20px;
}

/* ============================================
   SEÇÃO DE DEMONSTRAÇÃO
   ============================================ */

.demo {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.demo-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.demo-image {
  flex: 1;
  min-width: 300px;
}

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

.demo-text h2 {
  color: var(--dark-gray);
  margin-bottom: 20px;
}

.demo-text p {
  margin-bottom: 20px;
  color: var(--text-light);
}

.demo-list {
  list-style: none;
  margin-bottom: 30px;
}

.demo-list li {
  padding: 12px 0;
  padding-left: 30px;
  position: relative;
  color: var(--text-light);
}

.demo-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-orange);
  font-weight: bold;
  font-size: 1.2rem;
}

/* ============================================
   SEÇÃO DE CHAMADA À AÇÃO
   ============================================ */

.cta-section {
  background: linear-gradient(135deg, var(--primary-orange) 0%, #e55a2b 100%);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons .btn {
  min-width: 200px;
}

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

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

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 40px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: 20px;
}

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

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

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

.footer-contact {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.footer-contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   BOTÃO FLUTUANTE WHATSAPP
   ============================================ */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  z-index: 999;
  text-decoration: none;
  color: var(--white);
  font-size: 1.8rem;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.3);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .container {
    padding: 0 15px;
  }

  nav {
    display: none;
  }

  .hero-content {
    flex-direction: column;
    gap: 30px;
  }

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

  .hero-cta .btn {
    width: 100%;
  }

  .hero-features {
    flex-direction: column;
    gap: 20px;
  }

  .demo-content {
    flex-direction: column;
    gap: 30px;
  }

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

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

  .cta-buttons .btn {
    width: 100%;
  }

  .col-md-6,
  .col-md-4,
  .col-md-3 {
    flex: 0 0 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .hero {
    padding: 40px 0;
  }

  .features,
  .pricing,
  .demo,
  .cta-section {
    padding: 40px 0;
  }

  .feature-card,
  .pricing-card {
    padding: 20px;
  }

  .pricing-price {
    font-size: 2rem;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }
}

/* ============================================
   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);
  }
}

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

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

/* ============================================
   UTILITÁRIOS
   ============================================ */

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

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

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

.mt-20 {
  margin-top: 20px;
}

.mt-40 {
  margin-top: 40px;
}

.mb-20 {
  margin-bottom: 20px;
}

.mb-40 {
  margin-bottom: 40px;
}

.hidden {
  display: none;
}

.visible {
  display: block;
}