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

:root {
  --background: #ffffff;
  --foreground: #374151;
  --card: #f0fdf4;
  --card-foreground: #374151;
  --primary: #00bfff;
  --primary-foreground: #ffffff;
  --secondary: #f0fdf4;
  --secondary-foreground: #374151;
  --muted: #f0fdf4;
  --muted-foreground: #6b7280;
  --accent: #84cc16;
  --accent-foreground: #ffffff;
  --border: #e5e7eb;
  --radius: 0.5rem;
}

body {
  font-family: "DM Sans", sans-serif;
  line-height: 1.6;
  color: var(--foreground);
  background-color: var(--background);
  scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: transparent;
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-gr9 {
  color: var(--primary);
}

.logo-sistemas {
  color: var(--foreground);
}

.nav-links {
  display: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--foreground);
  transition: color 0.3s ease;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-sm {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: #0099cc;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background-color: var(--muted);
}

.icon {
  width: 1rem;
  height: 1rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--background) 0%, var(--secondary) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("placeholder-840cc.png");
  background-size: cover;
  background-position: center;
  opacity: 0.05;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 5rem 0;
}

.hero-title {
  font-size: 3rem;
  font-weight: 400;
  margin: 2rem 0;
  line-height: 1.1;
}

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

.animated-text {
  position: relative;
  display: inline-block;
  height: 1.2em;
  overflow: hidden;
}

.text-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  font-weight: 600;
  opacity: 0;
  transform: translateY(100%);
  transition: all 0.5s ease;
}

.text-item.active {
  opacity: 1;
  transform: translateY(0);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

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

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

/* Features Section */
.features {
  padding: 5rem 0;
  background-color: var(--background);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--muted-foreground);
}

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

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.feature-card {
  position: relative;
  padding: 2rem;
  background-color: var(--card);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s ease;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  transition: left 0.5s ease;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 191, 255, 0.1);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  color: var(--primary);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.feature-card p {
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* Services Section */
.services {
  padding: 5rem 0;
  background-color: var(--muted);
}

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

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  padding: 2rem;
  background-color: var(--background);
  border-radius: var(--radius);
  text-align: center;
  transition: transform 0.3s ease;
}

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

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.service-card p {
  color: var(--muted-foreground);
}

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

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

@media (min-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.contact-info p {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--foreground);
}

.contact-form {
  background-color: var(--card);
  padding: 2rem;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--foreground);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.success-message {
  margin-top: 1rem;
  padding: 1rem;
  background-color: #d1fae5;
  color: #065f46;
  border-radius: var(--radius);
  text-align: center;
}

/* Footer */
.footer {
  background-color: var(--foreground);
  color: var(--background);
  padding: 3rem 0 1rem;
  animation: fadeInUp 0.6s ease-out;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--primary);
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #d1d5db;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #4b5563;
  color: #9ca3af;
}

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

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

/* Responsive Design */
@media (max-width: 767px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .contact-info h2 {
    font-size: 2rem;
  }
}