:root {
  --color-black: #000000;
  --color-green-primary: #00FF00;
  --color-green-forest: #228B22;
  --color-green-lime: #32CD32;
  --color-white: #FFFFFF;
  --color-gray-light: #f5f5f5;
  --color-gray-dark: #333333;
  --transition-speed: 0.3s;
  --header-height: 80px;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed);
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: inherit;
}

header {
  position: sticky;
  top: 0;
  background-color: var(--color-black);
  padding: 1rem 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 255, 0, 0.2);
}

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

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

.logo-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo {
  height: 60px;
  width: auto;
  border-radius: 8px;
}

.company-name {
  color: var(--color-green-primary);
  font-size: 1.5rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  color: var(--color-white);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 4px;
  transition: all var(--transition-speed);
}

nav a:hover,
nav a.active {
  color: var(--color-green-primary);
  background-color: rgba(0, 255, 0, 0.1);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  color: var(--color-white);
  font-size: 1.5rem;
  padding: 10px;
}

.hero-section {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 20px;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--color-green-primary);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 30px;
  line-height: 1.8;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.btn {
  display: inline-block;
  padding: 15px 40px;
  background-color: var(--color-green-forest);
  color: var(--color-white);
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-speed);
  border: 2px solid var(--color-green-forest);
}

.btn-large {
  padding: 18px 50px;
  font-size: 1.3rem;
}

.btn:hover {
  background-color: var(--color-green-primary);
  color: var(--color-black);
  border-color: var(--color-green-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 255, 0, 0.3);
}

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

.intro-section h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  color: var(--color-black);
  text-align: center;
}

.intro-section p {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--color-gray-dark);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
}

.about-section {
  padding: 80px 0;
}

.vision-mission {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.vision-box,
.mission-box {
  padding: 40px;
  background-color: var(--color-gray-light);
  border-radius: 10px;
  border-left: 5px solid var(--color-green-forest);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.vision-box:hover,
.mission-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.vision-box h3,
.mission-box h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--color-green-forest);
}

.vision-box p,
.mission-box p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-gray-dark);
}

.why-choose {
  margin-top: 60px;
}

.why-choose h2 {
  font-size: 2.5rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--color-black);
}

.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.why-choose-item {
  padding: 30px;
  background-color: var(--color-white);
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-speed);
}

.why-choose-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 255, 0, 0.2);
}

.why-choose-item h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--color-green-forest);
}

.why-choose-item p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-dark);
}

.about-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.about-image-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-speed);
}

.about-image-card:hover {
  transform: scale(1.05);
}

.about-image-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

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

.services-section h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  text-align: center;
  color: var(--color-black);
}

.services-section .subtitle {
  font-size: 1.2rem;
  text-align: center;
  color: var(--color-gray-dark);
  margin-bottom: 20px;
}

.shortcut-hint {
  font-size: 1rem;
  text-align: center;
  color: var(--color-green-forest);
  margin-bottom: 60px;
  font-weight: 600;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.shortcut-hint kbd {
  background-color: var(--color-gray-dark);
  color: var(--color-white);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.9rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.services-view-all {
  text-align: center;
  margin-top: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  height: 350px;
  background-color: var(--color-white);
}

.service-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-speed), filter var(--transition-speed);
}

.service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  padding: 30px;
  transform: translateY(0);
  transition: all var(--transition-speed);
}

.service-card:hover .service-image {
  transform: scale(1.1);
  filter: blur(3px);
}

.service-card:hover .service-overlay {
  background: rgba(0, 0, 0, 0.85);
  padding: 40px 30px;
}

.service-overlay h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--color-green-primary);
}

.service-overlay p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-white);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-speed);
}

.service-card:hover .service-overlay p {
  opacity: 1;
  transform: translateY(0);
}

.contact-section {
  padding: 80px 0;
}

.contact-section h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  text-align: center;
  color: var(--color-black);
}

.contact-section .subtitle {
  font-size: 1.2rem;
  text-align: center;
  color: var(--color-gray-dark);
  margin-bottom: 60px;
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 50px;
}

.contact-info {
  background-color: var(--color-gray-light);
  padding: 40px;
  border-radius: 10px;
  border-left: 5px solid var(--color-green-forest);
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--color-green-forest);
}

.contact-item {
  margin-bottom: 25px;
  padding: 15px;
  background-color: var(--color-white);
  border-radius: 8px;
  transition: transform var(--transition-speed);
}

.contact-item:hover {
  transform: translateX(10px);
}

.contact-item h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--color-green-forest);
}

.contact-item p {
  font-size: 1rem;
  color: var(--color-gray-dark);
}


.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-gray-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

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

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

.form-group.error input,
.form-group.error textarea {
  border-color: #ff0000;
}

.error-message {
  color: #ff0000;
  font-size: 0.9rem;
  margin-top: 5px;
  display: none;
}

.form-group.error .error-message {
  display: block;
}

.submit-btn {
  width: 100%;
  padding: 15px;
  background-color: var(--color-green-forest);
  color: var(--color-white);
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  text-transform: uppercase;
  transition: all var(--transition-speed);
}

.submit-btn:hover {
  background-color: var(--color-green-primary);
  color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 255, 0, 0.3);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 40px 0 20px;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 30px;
}

.footer-section h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--color-green-primary);
}

.footer-section p,
.footer-section a {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-white);
}

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

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

.footer-bottom p {
  color: var(--color-gray-light);
  font-size: 0.9rem;
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 50px;
  text-align: center;
  color: var(--color-black);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(to right, var(--color-green-forest), var(--color-green-primary));
}

@media (max-width: 768px) {
  .header-content {
    justify-content: space-between;
  }

  .mobile-menu-toggle {
    display: block;
  }

  nav {
    display: none;
    width: 100%;
    margin-top: 20px;
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 10px;
  }

  nav a {
    display: block;
    padding: 12px;
    background-color: rgba(255, 255, 255, 0.1);
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

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

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

  .company-name {
    font-size: 1.2rem;
  }

  .logo {
    height: 50px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-section {
    height: 400px;
  }

  .section-title,
  .services-section h1,
  .contact-section h1 {
    font-size: 2rem;
  }

  .btn {
    padding: 12px 30px;
    font-size: 1rem;
  }
}
.social-media {
  display: flex;
  gap: 20px;
  margin-top: 15px;
}

.social-icon {
  width: 40px;
  height: 40px;
  transition: transform var(--transition-speed), filter var(--transition-speed);
}

.social-media a:hover .social-icon {
  transform: scale(1.2);
  filter: brightness(1.2);
}

/* Page Section Styles for Single Page Application */
.page-section {
  display: none;
  animation: fadeIn 0.5s ease-in;
}

.page-section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}