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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background-color: #ffffff;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #1f2937;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: #4b5563;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #3b82f6;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #3b82f6;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #1f2937;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 140px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat {
  text-align: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.stat:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: #fbbf24;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
}

.hero-image {
  position: relative;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.hero-img:hover {
  transform: scale(1.02);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: #3b82f6;
  color: white;
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #3b82f6;
  border-color: #3b82f6;
}

.btn-outline:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: white;
}

.btn-whatsapp:hover {
  background: #128c7e;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.text-white {
  color: white !important;
}

.text-white-80 {
  color: rgba(255, 255, 255, 0.8) !important;
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Cards */
.card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
  opacity: 0;
  transform: translateY(20px);
}

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

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

/* Service Cards */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.service-description {
  color: #6b7280;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  padding: 0.5rem 0;
  color: #4b5563;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features i {
  color: #10b981;
  font-size: 0.875rem;
}

/* Background Variants */
.bg-light {
  background-color: #f9fafb;
}

.bg-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

/* Content Blocks */
.content-block {
  padding: 2rem;
}

.content-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.content-text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.benefits-list {
  list-style: none;
}

.benefits-list li {
  padding: 0.5rem 0;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.benefits-list i {
  color: #fbbf24;
}

.features-list {
  list-style: none;
}

.features-list li {
  padding: 0.5rem 0;
  color: rgba(74, 72, 72, 0.9);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.features-list i {
  color: #34d399;
}

/* Tech Stack */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-item {
  background: #e5e7eb;
  color: #374151;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Testimonials */
.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  border-left: 4px solid #3b82f6;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

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

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.stars {
  color: #fbbf24;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.testimonial-text {
  font-style: italic;
  color: #4b5563;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.25rem;
}

.author-info span {
  color: #6b7280;
  font-size: 0.875rem;
}

/* Case Studies */
.case-study-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.case-study-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.case-image {
  position: relative;
  overflow: hidden;
}

.case-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.case-content {
  padding: 2rem;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1f2937;
}

.case-description {
  color: #6b7280;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.case-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-item {
  text-align: center;
  padding: 1rem;
  background: #f3f4f6;
  border-radius: 8px;
}

.result-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: #3b82f6;
  margin-bottom: 0.25rem;
}

.result-label {
  font-size: 0.875rem;
  color: #6b7280;
}

/* FAQ */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 1rem;
}

.faq-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  padding: 1.5rem 0;
  cursor: pointer;
  position: relative;
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: #3b82f6;
}

.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: #6b7280;
  line-height: 1.6;
}

/* Blog Cards */
.blog-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.blog-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.blog-image {
  position: relative;
  overflow: hidden;
}

.blog-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.blog-content {
  padding: 1.5rem;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.blog-date {
  color: #6b7280;
  font-size: 0.875rem;
}

.blog-category {
  background: #3b82f6;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.blog-title {
  margin-bottom: 1rem;
}

.blog-title a {
  color: #1f2937;
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.blog-title a:hover {
  color: #3b82f6;
}

.blog-excerpt {
  color: #6b7280;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.blog-link {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.blog-link:hover {
  color: #2563eb;
}

.blog-cta {
  text-align: center;
  margin-top: 3rem;
}

/* Contact */
.contact {
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
  color: white;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-description {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-methods {
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-method:last-child {
  border-bottom: none;
}

.contact-method i {
  width: 40px;
  height: 40px;
  background: #3b82f6;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.contact-method h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-method a {
  color: #60a5fa;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-method a:hover {
  color: white;
}

.contact-cta {
  text-align: center;
}

/* Form */
.form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.form h3 {
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3b82f6;
  background: rgba(255, 255, 255, 0.15);
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 3rem 0 1rem;
}

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

.footer-section h4 {
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.footer-description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: #374151;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #3b82f6;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom a:hover {
  color: white;
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }

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

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

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

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .case-results {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .card {
    padding: 1.5rem;
  }

  .form {
    padding: 1.5rem;
  }
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

.lazy.loaded {
  opacity: 1;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: #3b82f6;
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1001;
}

.skip-link:focus {
  top: 6px;
}