:root {
  --primary-color: #3374FF;
  --text-color: #000000;
  --background-color: #FFFFFF;
  --accent-color: #F0F0F0;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: 'Urbanist', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  scroll-behavior: smooth;
}

header {
  position: fixed;
  width: 100%;
  z-index: 1000;
  background-color: var(--background-color);
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 5px 0;
  transition: all 0.3s ease;
}

nav ul {
  display: flex;
  list-style-type: none;
}

nav ul li {
  margin: 0 1rem;
}

nav ul li a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 700;
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--primary-color);
  transform: translateY(-2px);
}

main {
  padding-top: 60px;
}

section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

h1, h2, h3 {
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  color: var(--primary-color);
}

h2 {
  font-size: 2rem;
  color: var(--text-color);
}

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

#home {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

#home h1, #home h2 {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease forwards;
}

#home h2 {
  animation-delay: 0.5s;
}

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

.about-content {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.profile-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
      box-shadow: 0 0 0 0 rgba(51, 116, 255, 0.4);
  }
  70% {
      box-shadow: 0 0 0 10px rgba(51, 116, 255, 0);
  }
  100% {
      box-shadow: 0 0 0 0 rgba(51, 116, 255, 0);
  }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-item {
  background-color: var(--accent-color);
  padding: 1.5rem;
  border-radius: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.gallery-item {
  flex: 0 0 calc(50% - 0.5rem);
  max-width: calc(50% - 0.5rem);
  height: 200px;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item:hover {
  transform: scale(1.05);
}

form {
  display: grid;
  gap: 1rem;
}

input, textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: border-color 0.3s ease;
}

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

button {
  background-color: var(--primary-color);
  color: var(--background-color);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

button:hover {
  background-color: #2659c7;
  transform: translateY(-2px);
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: var(--text-color);
  color: var(--background-color);
}

#lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#lightbox.hidden {
  display: none;
}

#lightbox:not(.hidden) {
  opacity: 1;
}

#lightbox img {
  max-width: 90%;
  max-height: 90%;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

#lightbox:not(.hidden) img {
  transform: scale(1);
}

#close-lightbox, #prev-image, #next-image {
  position: absolute;
  background-color: transparent;
  color: var(--background-color);
  font-size: 2rem;
  border: none;
  cursor: pointer;
  transition: color 0.3s ease, transform 0.3s ease;
}

#close-lightbox:hover, #prev-image:hover, #next-image:hover {
  color: var(--primary-color);
  transform: scale(1.1);
}

#close-lightbox {
  top: 1rem;
  right: 1rem;
}

#prev-image {
  left: 1rem;
}

#next-image {
  right: 1rem;
}

@media (max-width: 768px) {
  .hamburger {
      display: block;
  }

  nav ul {
      position: fixed;
      top: 60px;
      left: -100%;
      width: 100%;
      height: calc(100vh - 60px);
      background-color: var(--background-color);
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding-top: 2rem;
      transition: left 0.3s ease;
  }

  nav ul.active {
      left: 0;
  }

  nav ul li {
      margin: 1rem 0;
  }

  .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.active span:nth-child(2) {
      opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(7px, -6px);
  }

  h1 {
      font-size: 2rem;
  }

  h2 {
      font-size: 1.5rem;
  }

  .about-content {
      flex-direction: column;
      text-align: center;
  }

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

  .gallery-item {
      flex: 0 0 100%;
      max-width: 100%;
  }
}

.section-enter {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.section-enter-active {
  opacity: 1;
  transform: translateY(0);
}