/* Root Variables */
:root {
  --green-r: 61;
  --green-g: 145;
  --green-b: 64;
  --green: rgb(var(--green-r), var(--green-g), var(--green-b));
  
  --brown-r: 139;
  --brown-g: 94;
  --brown-b: 60;
  --brown: rgb(var(--brown-r), var(--brown-g), var(--brown-b));
  
  --grey: #555555; /* Darkened for better contrast */
  
  --white-r: 255;
  --white-g: 255;
  --white-b: 255;
  --white: rgb(var(--white-r), var(--white-g), var(--white-b));
  
  --black-r: 0;
  --black-g: 0;
  --black-b: 0;
  --black: rgb(var(--black-r), var(--black-g), var(--black-b));
  
  --light-grey: #f4f4f4;
}

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

body {
  font-family: 'Barlow', sans-serif;
  background: linear-gradient(135deg, var(--white), var(--green));
  color: var(--grey);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased; /* Improves text rendering */
  -moz-osx-font-smoothing: grayscale;
}

/* Header */
header {
  background-color: var(--green);
  padding: 2rem;
  text-align: center;
  color: var(--white);
  animation: fadeIn 1s ease-in;
}

header .logo {
  max-width: 150px;
  margin: 1rem auto;
  display: block;
  border-radius: 10px;
  transition: transform 0.3s ease;
  will-change: transform;
}

header .logo:hover {
  transform: scale(1.1);
}

header h1 {
  font-size: 2.5rem;
  margin: 0;
  color: var(--white);
}

header p {
  font-size: 1.2rem;
}

/* Navigation Bar */
nav {
  background-color: var(--green);
  padding: 1rem 2rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  color: var(--white);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

nav a:hover,
nav a:focus {
  background-color: var(--white);
  color: var(--green);
  outline: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Main Sections */
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem;
}

section {
  padding: 2rem;
  background: rgba(var(--white-r), var(--white-g), var(--white-b), 0.9);
  margin: 1rem 0;
  border-radius: 0.75rem;
  animation: fadeInUp 1s ease-out;
}

/* Headings */
h2 {
  color: var(--black);
  margin-bottom: 1.5rem;
  font-size: 2rem;
  text-align: center;
}

h3 {
  color: var(--brown);
  font-size: 1.5rem;
}

/* Service Boxes */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-box {
  border-left: 6px solid var(--green);
  background-color: var(--light-grey);
  padding: 1.5rem;
  margin: 1rem 0;
  border-radius: 0.75rem;
  transition: transform 0.3s ease;
  will-change: transform;
}

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

/* Icon inside service box */
.service-box .icon {
  margin-right: 0.5rem;
  font-size: 1.5rem;
}

/* Demo Button */
.demo-btn {
  display: inline-block;
  margin-top: 1rem;
  background-color: var(--black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.demo-btn:hover {
  background-color: var(--brown);
}

/* Demo Section */
#demo {
  padding: 2rem;
  background: rgba(var(--white-r), var(--white-g), var(--white-b), 0.9);
  margin: 1rem 0;
  border-radius: 0.75rem;
  animation: fadeInUp 1s ease-out;
  text-align: center;
}

.demo-image {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1rem 0;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  will-change: transform;
}

.demo-image:hover {
  transform: scale(1.03);
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project img {
  max-width: 100%;
  border-radius: 0.5rem;
  transition: transform 0.3s ease;
  will-change: transform;
}

.project:hover img {
  transform: scale(1.05);
}

.project h3 {
  margin: 0.5rem 0;
}

.project p {
  font-size: 1rem;
}

/* Pricing */
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.package {
  background-color: var(--brown);
  color: var(--white);
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
  transition: transform 0.3s ease;
  will-change: transform;
}

.package:hover {
  transform: scale(1.05);
}

/* Testimonials */
blockquote {
  font-style: italic;
  margin: 1rem 0;
  padding: 1rem;
  background-color: var(--light-grey);
  border-radius: 0.5rem;
  border-left: 4px solid var(--green);
}

cite {
  display: block;
  margin-top: 0.5rem;
  font-style: normal;
  color: var(--brown);
}

/* CTA and Contact */
.cta {
  background-color: rgba(var(--green-r), var(--green-g), var(--green-b), 1);
  color: var(--white);
  text-align: center;
  padding: 2rem;
  border-radius: 1rem;
  margin-top: 2rem;
}

.contact-options {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  background-color: var(--black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 1rem auto;
}

.contact-form label {
  display: block;
  margin: 0.5rem 0;
  color: var(--white);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--grey);
  border-radius: 0.5rem;
  font-size: 1rem;
  background-color: rgba(var(--white-r), var(--white-g), var(--white-b), 0.8);
}

.contact-form button {
  background-color: var(--black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-form button:hover {
  background-color: var(--brown);
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background-color: var(--green);
  color: var(--white);
  margin-top: 2rem;
}

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 0.5rem;
  }
  nav a {
    padding: 0.5rem;
  }
  .service-grid,
  .portfolio-grid,
  .package-grid {
    grid-template-columns: 1fr;
  }
  header h1 {
    font-size: 1.8rem;
  }
  .cta {
    padding: 1.5rem;
  }
  .demo-image {
    max-width: 90%;
  }
}

/* Accessibility Enhancements */
:focus {
  outline: 2px solid var(--brown);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Performance Optimizations */
img {
  max-width: 100%;
  height: auto;
}