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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

/* Cores da Vivvanet */
:root {
  --primary: #1e3a8a; /* Azul escuro */
  --primary-light: #3b82f6;
  --accent: #fbbf24; /* Amarelo */
  --accent-dark: #f59e0b;
  --white: #ffffff;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--gray-800);
}

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

.btn-secondary {
  background-color: var(--accent);
  color: var(--gray-800);
}

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

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

.btn-outline:hover {
  background-color: var(--accent);
  color: var(--gray-800);
}

.icon {
  margin-right: 0.5rem;
}

/* Header */
.header {
  background-color: var(--primary);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo-img {
  height: 2.5rem;
  width: auto;
  filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%)
    contrast(100%);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.header-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phone-btn {
  display: none;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 4xl;
  margin: 0 auto;
  text-align: center;
}

.hero-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.wifi-icon {
  font-size: 4rem;
  color: var(--accent);
  animation: pulse 2s infinite;
}

.status-dot {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  width: 1.5rem;
  height: 1.5rem;
  background-color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-dot::after {
  content: "";
  width: 0.75rem;
  height: 0.75rem;
  background-color: var(--primary);
  border-radius: 50%;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.title-line {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.title-line .icon {
  font-size: 3rem;
  margin-right: 1rem;
}

.accent {
  color: var(--accent);
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

/* Plans Section */
.plans {
  padding: 5rem 0;
  background-color: var(--gray-100);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 3rem;
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.plan-card {
  background: var(--white);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border: 3px solid var(--accent);
  position: relative;
  transition: transform 0.3s ease;
}

.plan-card:hover {
  transform: translateY(-5px);
}

.plan-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
}

.plan-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-speed {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

.plan-price {
  margin-bottom: 2rem;
}

.currency {
  font-size: 1.5rem;
  color: var(--gray-600);
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
}

.period {
  font-size: 1.25rem;
  color: var(--gray-600);
}

/* Benefits Section */
.benefits {
  padding: 5rem 0;
  background-color: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.benefit-item {
  text-align: center;
  padding: 2rem;
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.benefit-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.benefit-item p {
  color: var(--gray-600);
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background-color: var(--gray-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-icon {
  font-size: 2rem;
  color: var(--accent);
}

.contact-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.contact-item a {
  color: var(--primary);
  text-decoration: none;
}

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

.contact-cta {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: 1rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.contact-cta h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-cta p {
  color: var(--gray-600);
  margin-bottom: 2rem;
}

/* Footer */
.footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.footer-info p {
  margin-bottom: 0.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

/* Responsive Design */
@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .phone-btn {
    display: inline-flex;
  }
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .hero-title {
    font-size: 4rem;
  }

  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}