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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

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

a {
  text-decoration: none;
  color: #0066cc;
  transition: color 0.3s ease;
}

a:hover {
  color: #004499;
}

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

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 15px;
  color: #222;
  font-weight: 600;
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

h2 {
  font-size: 2em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.5em;
  margin-bottom: 15px;
}

p {
  margin-bottom: 15px;
}

ul, ol {
  margin-bottom: 15px;
  padding-left: 20px;
}

li {
  margin-bottom: 8px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: #0066cc;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #004499;
}

.btn-secondary {
  background-color: #666;
}

.btn-secondary:hover {
  background-color: #444;
}

.header {
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #0066cc;
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: #333;
  font-weight: 500;
}

.nav a:hover {
  color: #0066cc;
}

.lang-switch {
  background-color: #f0f0f0;
  padding: 8px 15px;
  border-radius: 5px;
  font-size: 14px;
}

.banner {
  background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
  color: #fff;
  padding: 80px 20px;
  text-align: center;
}

.banner h1 {
  color: #fff;
  font-size: 3em;
  margin-bottom: 20px;
}

.banner p {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.section {
  padding: 60px 20px;
  background-color: #fff;
  margin-bottom: 30px;
}

.section-alt {
  background-color: #f9f9f9;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 2.5em;
  color: #0066cc;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.card {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card img {
  width: 100%;
  height: 225px;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.card-content h3 {
  font-size: 1.3em;
  margin-bottom: 10px;
}

.card-content p {
  font-size: 0.95em;
  color: #666;
  margin-bottom: 15px;
}

.contact-info {
  background-color: #f0f0f0;
  padding: 30px;
  border-radius: 8px;
  margin-top: 30px;
}

.contact-info h3 {
  color: #0066cc;
  margin-bottom: 20px;
}

.contact-item {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-item strong {
  min-width: 120px;
}

.wa-qr {
  max-width: 150px;
  margin-top: 15px;
}

.wa-qr.cursor-pointer {
  cursor: pointer;
}

.contact-info.dark {
  background-color: #444;
  color: #fff;
}

.contact-info.dark h3 {
  color: #fff;
}

.contact-info.dark p {
  color: #fff;
}

.contact-info.dark a {
  color: #fff;
}

.contact-item.dark {
  color: #fff;
}

.contact-item.dark strong {
  color: #fff;
}

.flex-center {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-whatsapp {
  background-color: #25D366;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #128C7E;
  border-color: #128C7E;
}

.contact-item-large {
  font-size: 1.1em;
  margin-bottom: 15px;
}

.whatsapp-color {
  color: #25D366;
}

.qr-text {
  margin: 10px 0;
  font-size: 0.9em;
  color: #666;
}

.flex-buttons {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-flex {
  flex: 1;
  min-width: 180px;
}

.intro-text {
  font-size: 1.2em;
  color: #666;
  max-width: 800px;
  margin: 0 auto 40px;
}

.section-margin-top {
  margin-top: 60px;
}

.section-title-center {
  text-align: center;
  margin-bottom: 30px;
}

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

.link-white {
  color: #fff;
  text-decoration: underline;
}

.link-white:hover {
  color: #f0f0f0;
}

.inquiry-title {
  margin-bottom: 20px;
}

.footer-bottom p.keywords {
  margin-top: 10px;
  font-size: 0.85em;
}

.footer {
  background-color: #333;
  color: #fff;
  padding: 40px 20px;
  margin-top: 60px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #fff;
}

.footer-links a:hover {
  color: #0066cc;
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 20px;
  text-align: center;
  font-size: 0.9em;
  color: #999;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 28px;
  cursor: pointer;
  color: #999;
}

.modal-close:hover {
  color: #333;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 15px;
  }

  .logo {
    font-size: 18px;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 15px;
    font-size: 14px;
  }

  .nav a {
    padding: 5px 8px;
  }

  .lang-switch {
    font-size: 12px;
    padding: 5px 10px;
  }

  .banner h1 {
    font-size: 2em;
  }

  .banner p {
    font-size: 1em;
  }

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

  .section {
    padding: 40px 15px;
  }

  .footer-links {
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8em;
  }

  h2 {
    font-size: 1.4em;
  }

  .banner {
    padding: 40px 15px;
  }

  .card img {
    height: 180px;
  }

  .header-inner {
    padding: 8px 10px;
  }

  .logo {
    font-size: 16px;
  }

  .nav {
    gap: 8px 10px;
    font-size: 13px;
  }

  .nav a {
    padding: 4px 6px;
  }

  .lang-switch {
    font-size: 11px;
    padding: 4px 8px;
  }
}

@media (max-width: 360px) {
  .header-inner {
    padding: 6px 8px;
  }

  .logo {
    font-size: 14px;
  }

  .nav {
    gap: 6px 8px;
    font-size: 12px;
  }

  .nav a {
    padding: 3px 5px;
  }

  .lang-switch {
    font-size: 10px;
    padding: 3px 6px;
  }
}

.breadcrumb {
  padding: 15px 20px;
  background-color: #f5f5f5;
  margin-bottom: 20px;
}

/* Case detail styles */
.case-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.case-detail img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.case-info h3 {
  color: #0066cc;
  margin-top: 20px;
  margin-bottom: 10px;
}

.case-info ul {
  list-style: none;
  padding-left: 0;
}

.case-info li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}

.case-info li:last-child {
  border-bottom: none;
}

/* Process steps styles */
.process-steps {
  display: grid;
  gap: 30px;
  margin: 40px 0;
}

.process-step {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 8px;
  border-left: 4px solid #0066cc;
}

.step-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: #0066cc;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  font-weight: bold;
  font-size: 1.2em;
  margin-bottom: 15px;
}

/* FAQ styles */
.faq-section {
  margin-bottom: 40px;
}

.faq-section h2 {
  color: #0066cc;
  border-bottom: 2px solid #0066cc;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.faq-item {
  background: #f8f9fa;
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  padding: 20px;
  background: #e9ecef;
  font-weight: 600;
  cursor: pointer;
  position: relative;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 20px;
  font-size: 1.5em;
}

.faq-answer {
  padding: 20px;
  display: block;
}

/* Testimonial styles */
.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin: 40px 0;
}

@media (max-width: 768px) {
  .testimonials {
    grid-template-columns: 1fr;
  }
}

.testimonial {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 8px;
  border-left: 4px solid #0066cc;
}

.testimonial-content {
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.8;
}

.testimonial-author {
  color: #666;
  font-size: 0.9em;
}

/* Product detail styles */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.product-detail img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.product-info {
  padding: 20px;
}

.product-info h3 {
  color: #0066cc;
  margin-top: 20px;
  margin-bottom: 10px;
}

.feature-list {
  list-style: none;
  padding-left: 0;
}

.feature-list li {
  padding: 10px 0;
  padding-left: 30px;
  position: relative;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #0066cc;
  font-weight: bold;
}

/* Text utilities */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* Table styles */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #f5f5f5;
  font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .case-detail,
  .product-detail {
    grid-template-columns: 1fr;
  }
  
  .testimonials {
    grid-template-columns: 1fr;
  }
}

.breadcrumb a {
  color: #666;
  margin-right: 5px;
}

.breadcrumb span {
  color: #999;
}

.product-image {
  border-radius: 8px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: auto;
  display: block;
}

.product-info h1 {
  color: #0066cc;
  margin-bottom: 20px;
}

.product-features {
  margin: 30px 0;
}

.product-features ul {
  list-style: none;
  padding-left: 0;
}

.product-features li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}

.product-features li:before {
  content: "✓";
  color: #0066cc;
  margin-right: 10px;
  font-weight: bold;
}

@media (max-width: 768px) {
  .product-detail {
    grid-template-columns: 1fr;
  }
}

.case-detail {
  margin-bottom: 40px;
}

.case-detail img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 20px;
}

.case-info {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.case-info h3 {
  color: #0066cc;
  margin-bottom: 15px;
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .region-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .region-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.region-item {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  border: 2px solid #eee;
  transition: border-color 0.3s ease;
}

.region-item:hover {
  border-color: #0066cc;
}

.region-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 15px;
}

.region-item h3 {
  font-size: 1.1em;
  margin-bottom: 10px;
}

.feedback-item {
  background-color: #fff;
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 20px;
  border-left: 4px solid #0066cc;
}

.feedback-item h3 {
  color: #0066cc;
  margin-bottom: 10px;
}

.feedback-item .feedback-meta {
  color: #999;
  font-size: 0.9em;
  margin-bottom: 15px;
}

.material-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .material-list {
    grid-template-columns: 1fr;
  }
}

.material-item {
  background-color: #fff;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #eee;
}

.material-item h3 {
  color: #0066cc;
  margin-bottom: 15px;
}

.material-item ul {
  list-style: none;
  padding-left: 0;
}

.material-item li {
  padding: 5px 0;
  border-bottom: 1px solid #f0f0f0;
}

.material-item li:last-child {
  border-bottom: none;
}

@media (max-width: 768px) {
  .process-steps {
    gap: 20px;
  }
  
  .process-step {
    padding: 20px;
  }
  
  .step-number {
    width: 35px;
    height: 35px;
    line-height: 35px;
    font-size: 1em;
  }
}