:root {
  /* Color variables */
  --color-primary: #4a5568;
  --color-primary-light: #718096;
  --color-primary-dark: #2d3748;
  --color-secondary: #e2e8f0;
  --color-accent: #3182ce;
  --color-accent-hover: #2b6cb0;
  --color-text: #1a202c;
  --color-text-light: #4a5568;
  --color-text-inverse: #ffffff;
  --color-background: #ffffff;
  --color-background-alt: #f7fafc;
  --color-border: #e2e8f0;
  --color-success: #48bb78;
  --color-error: #e53e3e;
  --color-warning: #ed8936;

  /* Typography variables */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Merriweather', serif;
  
  /* Spacing variables */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-dark);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Section styles */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--color-accent);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* Button styles */
.btn, button, input[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  color: #fff;
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-background);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo a h1  {
  display: flex;
  align-items: center;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 1.5rem;
  font-family: var(--font-heading);
}

.logo h1 {
  margin-bottom: 0;
}

.navigation {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
}

.nav-list li {
  margin-left: var(--spacing-lg);
}

.nav-list li a {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.nav-list li a:hover {
  color: var(--color-accent);
}

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-primary-dark);
  transition: all var(--transition-fast);
}

/* Hero section */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text-inverse);
  margin-top: 80px;
  padding: var(--spacing-xl) 0;
}

.hero-content {
  max-width: 700px;
  text-align: center;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-inverse);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-inverse);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Our Process section */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background-color: var(--color-secondary);
  transform: translateX(-50%);
}

.timeline-item {
  margin-bottom: var(--spacing-xl);
  position: relative;

  transform: translateY(30px);
  transition: all var(--transition-normal);
}

.timeline-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

.timeline-content {
  position: relative;
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  margin-left: auto;
  margin-right: auto;
  width: 85%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-content h3 {
  color: var(--color-primary-dark);
  text-align: center;
}

.timeline-content p {
  text-align: center;
}

.timeline-content .image-container {
  width: 100%;
  height: 300px;
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border-radius: var(--border-radius-md);
}

.timeline-content .image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.progress-indicator {
  width: 100%;
  margin-top: var(--spacing-md);
  position: relative;
}

.progress-bar {
  height: 6px;
  background-color: var(--color-accent);
  border-radius: var(--border-radius-sm);
}

.progress-indicator span {
  position: absolute;
  right: 0;
  top: -20px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-accent);
}

/* Portfolio section */
.custom-slider {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.slider-container {
  display: flex;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.slide {
  flex: 0 0 100%;
  max-width: 100%;
  padding: 0 var(--spacing-md);
  transition: all var(--transition-normal);
  opacity: 0;
  transform: translateX(50px);
}

.slide.active {
  opacity: 1;
  transform: translateX(0);
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 350px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.card-content {
  padding: var(--spacing-lg);
  text-align: center;
}

.slider-controls {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.slider-controls button {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin: 0 var(--spacing-sm);
  transition: all var(--transition-fast);
}

.slider-controls button:hover {
  background-color: var(--color-accent);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.slider-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  margin: 0 var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dots .dot.active {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

.portfolio-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Pricing section */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.pricing-cards .card {
  padding: var(--spacing-lg);
  text-align: center;
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.features-list {
  list-style-type: none;
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.features-list li {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.pricing-note {
  text-align: center;
  font-style: italic;
  color: var(--color-text-light);
}

/* Insights section */
.insights-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.insights-text {
  flex: 1 1 60%;
}

.insights-image {
  flex: 0 0 35%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.insights-text h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary-dark);
}

.external-resources {
  padding: var(--spacing-lg);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius-md);
}

.external-resources h3 {
  margin-bottom: var(--spacing-md);
}

.external-resources ul {
  list-style-type: none;
}

.external-resources ul li {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.external-resources ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* Clientele section */
.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xl);
}

.client-logo {
  text-align: center;

  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.client-logo.in-view {
  opacity: 1;
  transform: translateY(0);
}

.client-logo img {
  margin-bottom: var(--spacing-sm);
  filter: grayscale(100%);
  transition: all var(--transition-fast);
}

.client-logo:hover img {
  filter: grayscale(0);
}

/* Customer Stories section */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial {

  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.testimonial.in-view {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-content {
  position: relative;
  padding: var(--spacing-lg);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
}

.testimonial-content:before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--spacing-md);
  font-size: 5rem;
  color: var(--color-secondary);
  line-height: 1;
  font-family: serif;
}

.quote {
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.author {
  display: flex;
  align-items: center;
}

.author img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-right: var(--spacing-md);
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: var(--spacing-xs);
}

.author-info p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* News section */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.news-card {
   transform: translateY(20px);
  transition: all var(--transition-normal);
}

.news-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.date {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

.read-more {
  display: inline-block;
  font-weight: 600;
  color: var(--color-accent);
  transition: all var(--transition-fast);
  position: relative;
  padding-right: 20px;
}

.read-more:after {
  content: "→";
  position: absolute;
  right: 0;
  transition: all var(--transition-fast);
}

.read-more:hover {
  color: var(--color-accent-hover);
}

.read-more:hover:after {
  right: -5px;
}

/* Careers section */
.career-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.career-item {
  padding: var(--spacing-lg);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;

  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.career-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

.career-item h3 {
  margin-bottom: var(--spacing-md);
}

.career-item p {
  margin-bottom: var(--spacing-lg);
}

/* Contact section */
.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.contact-info {
  flex: 1 1 40%;
}

.contact-form {
  flex: 1 1 50%;
}

.info-item {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.info-item i {
  margin-right: var(--spacing-md);
  font-size: 1.5rem;
  color: var(--color-accent);
}

.working-hours {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.working-hours h4 {
  margin-bottom: var(--spacing-sm);
}

.working-hours p {
  margin-bottom: var(--spacing-xs);
}

.map {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  height: 300px;
}

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

.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(49, 130, 206, 0.2);
}

.checkbox {
  display: flex;
  align-items: flex-start;
}

.checkbox input {
  width: auto;
  margin-right: var(--spacing-sm);
  margin-top: 5px;
}

.checkbox span {
  flex: 1;
}

/* Footer */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.footer-logo h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-sm);
}

.footer-links h3, .footer-social h3, .footer-contact h3 {
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-md);
}

.footer-links ul, .social-links {
  list-style-type: none;
}

.footer-links ul li, .social-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links ul li a, .social-links li a, .footer-contact a {
  color: var(--color-secondary);
  transition: all var(--transition-fast);
}

.footer-links ul li a:hover, .social-links li a:hover, .footer-contact a:hover {
  color: var(--color-text-inverse);
}

.social-links li a {
  display: inline-flex;
  align-items: center;
}

.social-links li a:before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  margin-right: var(--spacing-sm);
  background-size: contain;
  background-repeat: no-repeat;
}

.footer-contact p {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-links a {
  margin-left: var(--spacing-md);
  color: var(--color-secondary);
}

.legal-links a:hover {
  color: var(--color-text-inverse);
}

/* Success page */
.success-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl);
}

.success-page .icon {
  font-size: 5rem;
  color: var(--color-success);
  margin-bottom: var(--spacing-lg);
}

.success-page h1 {
  margin-bottom: var(--spacing-md);
}

.success-page p {
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

/* Terms and Privacy pages */
.terms-page, .privacy-page {
  padding-top: 100px;
}

.terms-content, .privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.terms-content h2, .privacy-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.terms-content p, .privacy-content p {
  margin-bottom: var(--spacing-md);
}

.terms-content ul, .privacy-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.terms-content ul li, .privacy-content ul li {
  margin-bottom: var(--spacing-sm);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Icon styles */
[class^="icon-"] {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.icon-location {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%233182ce"><path d="M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z"/></svg>');
}

.icon-phone {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%233182ce"><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>');
}

.icon-email {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%233182ce"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>');
}

/* Responsive styles */
@media (max-width: 1024px) {
  html {
    font-size: 14px;
  }

  .hero-title {
    font-size: 3rem;
  }

  .timeline-content {
    width: 90%;
  }

  .footer-content {
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 70px;
  }

  .navigation {
    display: none;
  }

  .burger-menu {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-content {
    width: 95%;
    margin-left: 40px;
  }

  .insights-content {
    flex-direction: column;
  }

  .insights-image {
    order: -1;
    margin-bottom: var(--spacing-lg);
  }

  .contact-content {
    flex-direction: column;
  }

  .footer-content {
    flex-direction: column;
  }

  .footer-logo, .footer-links, .footer-social, .footer-contact {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .legal-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .legal-links a {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 12px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: 0;
  background-color: var(--color-primary-dark);
  overflow: hidden;
  transition: height var(--transition-normal);
  z-index: 999;
}

.mobile-menu.active {
  height: calc(100vh - 70px);
}

.mobile-menu ul {
  list-style: none;
  padding: var(--spacing-lg);
}

.mobile-menu ul li {
  margin-bottom: var(--spacing-lg);
}

.mobile-menu ul li a {
  color: var(--color-text-inverse);
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
}