/* Globalne style */
:root {
  --primary-color: #2ecc71;
  --primary-dark: #27ae60;
  --secondary-color: #3498db;
  --secondary-dark: #2980b9;
  --accent-color: #f39c12;
  --text-color: #333;
  --text-light: #666;
  --bg-color: #fff;
  --bg-light: #f9f9f9;
  --bg-dark: #eee;
  --border-color: #ddd;
  --success-color: #2ecc71;
  --error-color: #e74c3c;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Montserrat', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 5px 15px rgba(0, 0, 0, 0.15);
  --container-width: 1200px;
  --radius: 4px;
}

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  margin-bottom: 1rem;
  line-height: 1.3;
  color: var(--text-color);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--primary-dark);
}

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

ul, ol {
  list-style-position: inside;
  margin-bottom: 1rem;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 15px;
}

section {
  padding: 60px 0;
}

/* Przyciski */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.5;
}

.btn:hover {
  background-color: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
}

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

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-sm {
  padding: 5px 15px;
  font-size: 0.9rem;
}

.btn:disabled {
  background-color: var(--bg-dark);
  color: var(--text-light);
  cursor: not-allowed;
  transform: none;
}

/* Nagłówek strony */
header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
}

.logo img {
  height: 50px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
}

nav ul li {
  margin-left: 20px;
}

nav ul li a {
  color: var(--text-color);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
}

nav ul li a i {
  margin-right: 5px;
}

nav ul li a:hover {
  color: var(--primary-color);
}

/* Hero section */
.hero {
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  padding: 100px 0;
  background-image: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: white;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  background-color: white;
  color: var(--primary-color);
  font-size: 1.1rem;
  padding: 12px 30px;
}

.hero .btn:hover {
  background-color: var(--bg-light);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Sekcja zalet */
.advantages {
  background-color: var(--bg-light);
  text-align: center;
}

.advantages h2 {
  margin-bottom: 3rem;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 3rem;
}

.advantage-item {
  background-color: white;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.advantage-item i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.advantage-item h3 {
  margin-bottom: 1rem;
}

.stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin: 3rem 0;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--text-light);
}

.cta {
  margin-top: 3rem;
}

.cta h3 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

/* Sekcja O produktach */
.about-products {
  background-color: white;
}

.about-products p {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.quality-guarantees {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: var(--radius);
  margin: 2rem 0;
}

.quality-guarantees h3 {
  margin-bottom: 1rem;
}

.quality-guarantees ul {
  list-style: none;
}

.quality-guarantees li {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
}

.quality-guarantees li i {
  color: var(--primary-color);
  margin-right: 10px;
}

/* Sekcja produktów */
.products {
  background-color: var(--bg-light);
}

.products h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.product-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}

.product-card h3, .product-card p {
  padding: 0 20px;
}

.product-card h3 {
  margin-top: 20px;
  font-size: 1.3rem;
}

.product-card .price {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.2rem;
  margin: 10px 20px;
}

.product-card .btn {
  margin: 0 20px 20px;
}

/* Sekcja ciekawostki */
.fun-fact {
  background-color: var(--accent-color);
  color: white;
  text-align: center;
  padding: 40px 0;
}

.fun-fact h2 {
  color: white;
  margin-bottom: 1rem;
}

.fun-fact p {
  font-size: 1.2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Stopka */
footer {
  background-color: #2c3e50;
  color: white;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-col p, .footer-col li {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

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

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.social-icons svg {
  fill: white;
  width: 18px;
  height: 18px;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Cookie notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(52, 73, 94, 0.95);
  color: white;
  padding: 15px 0;
  z-index: 9999;
  display: none;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.cookie-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 15px;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  margin: 15px 0;
  flex-wrap: wrap;
}

.cookie-more-info {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Strona produktu */
.product-detail {
  padding-top: 40px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.product-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.product-info h1 {
  margin-bottom: 10px;
}

.product-price {
  font-size: 2rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 20px;
}

.product-rating {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.product-rating i {
  color: var(--accent-color);
  margin-right: 3px;
}

.product-rating span {
  margin-left: 10px;
  color: var(--text-light);
}

.product-description {
  margin-bottom: 30px;
  line-height: 1.8;
}

.product-features {
  background-color: var(--bg-light);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 30px;
}

.product-features h3 {
  margin-bottom: 15px;
}

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

.product-features li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.product-features li::before {
  content: "✓";
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

.product-actions {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 30px;
}

.quantity-selector {
  display: flex;
  align-items: center;
}

.quantity-selector label {
  margin-right: 10px;
}

.quantity-selector select {
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.product-meta {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.product-meta p {
  margin-bottom: 5px;
}

.in-stock {
  color: var(--success-color);
  font-weight: 600;
}

/* Zakładki produktu */
.product-tabs {
  margin-top: 50px;
}

.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 15px 25px;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-light);
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.tab-btn:hover {
  color: var(--primary-color);
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-btn i {
  margin-right: 5px;
}

.tab-content {
  display: none;
  padding: 20px 0;
}

.tab-content.active {
  display: block;
}

.tab-content h3 {
  margin-bottom: 20px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table th, .specs-table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.specs-table th {
  width: 30%;
  background-color: var(--bg-light);
}

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

.document-list li {
  margin-bottom: 10px;
}

.document-list i {
  color: var(--primary-color);
  margin-right: 10px;
}

/* Strona About Us */
.page-header {
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  padding: 50px 0;
  background-image: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.page-header h1 {
  color: white;
  margin-bottom: 10px;
}

.about-intro {
  margin-bottom: 50px;
  text-align: center;
}

.about-intro p {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 30px 0;
}

.value-item {
  padding: 30px;
  border-radius: var(--radius);
  background-color: var(--bg-light);
  text-align: center;
  transition: var(--transition);
}

.value-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.value-item i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.about-stats {
  margin: 50px 0;
  text-align: center;
}

.stats-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 30px;
}

.about-team {
  margin: 50px 0;
  text-align: center;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.team-member {
  background-color: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.team-member img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.team-member h3, .team-member p {
  padding: 0 20px;
}

.team-member h3 {
  margin-top: 20px;
}

.team-member p:nth-of-type(1) {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 10px;
}

.team-member .social-icons {
  justify-content: center;
  margin: 20px 0;
}

.partners-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
  list-style: none;
  margin-top: 30px;
}

.partners-list li {
  background-color: var(--bg-light);
  padding: 15px;
  border-radius: var(--radius);
  text-align: center;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.certification-item {
  background-color: var(--bg-light);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.certification-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.certification-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

/* Strona kontaktowa */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.info-card {
  background-color: var(--bg-light);
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.info-card i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.social-contact {
  margin-top: 30px;
}

.social-contact .social-icons {
  margin-top: 15px;
}

.contact-form form {
  background-color: white;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 1rem;
}

.form-group textarea {
  resize: vertical;
}

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

.checkbox-group input {
  width: auto;
  margin-right: 10px;
  margin-top: 5px;
}

.checkbox-group label {
  font-weight: normal;
}

.form-submit {
  margin-top: 30px;
}

.form-note {
  margin-top: 15px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.contact-departments {
  margin-top: 50px;
}

.departments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.department-card {
  background-color: var(--bg-light);
  padding: 25px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.department-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.department-card i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-faq {
  margin-top: 50px;
}

.faq-accordion {
  margin-top: 30px;
}

.faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  padding: 15px 20px;
  background-color: var(--bg-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.1rem;
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-question {
  background-color: var(--primary-color);
  color: white;
}

.faq-item.active .faq-answer {
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

/* Strona koszyka */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 0;
  text-align: center;
}

.cart-empty i {
  font-size: 5rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.cart-table {
  width: 100%;
  margin-bottom: 30px;
}

.cart-header {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr 0.5fr;
  background-color: var(--bg-light);
  padding: 15px;
  font-weight: 600;
  border-radius: var(--radius) var(--radius) 0 0;
}

.cart-product-item {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr 0.5fr;
  padding: 15px;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
}

.cart-product {
  display: flex;
  align-items: center;
  gap: 15px;
}

.cart-product img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius);
}

.cart-product h3 {
  margin-bottom: 5px;
}

.cart-quantity {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quantity-btn {
  width: 30px;
  height: 30px;
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.remove-btn {
  background: none;
  border: none;
  color: var(--error-color);
  cursor: pointer;
}

.cart-actions {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
}

.cart-coupon {
  display: flex;
  gap: 10px;
}

.cart-coupon input {
  padding: 10px 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.cart-summary {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: var(--radius);
  max-width: 500px;
  margin-left: auto;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
}

.summary-row.total {
  font-weight: 700;
  font-size: 1.2rem;
  border-top: 1px solid var(--border-color);
  margin-top: 10px;
  padding-top: 20px;
}

.cart-recommended {
  margin-top: 50px;
}

.cart-recommended h2 {
  margin-bottom: 30px;
}

.recommended-products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* Strona checkout */
.checkout-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 50px;
}

.checkout-form {
  background-color: white;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.checkout-summary {
  background-color: var(--bg-light);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.checkout-products {
  margin-top: 20px;
  margin-bottom: 30px;
}

.checkout-product {
  display: flex;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.checkout-product-image img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius);
}

.checkout-product-details h3 {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.checkout-product-details p {
  margin-bottom: 5px;
  color: var(--text-light);
}

.checkout-product-price {
  font-weight: 600;
  color: var(--primary-color);
}

.checkout-totals {
  margin-top: 20px;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
}

.totals-row.total {
  font-weight: 700;
  font-size: 1.2rem;
  border-top: 1px solid var(--border-color);
  margin-top: 10px;
  padding-top: 20px;
}

.checkout-secure, .checkout-contact {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.secure-icons {
  display: flex;
  gap: 15px;
  margin-top: 15px;
  font-size: 1.5rem;
  color: var(--text-light);
}

.empty-cart-message {
  text-align: center;
  padding: 20px;
}

/* Strona sukcesu */
.success-content {
  padding: 60px 0;
}

.success-message {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.success-message i {
  font-size: 5rem;
  color: var(--success-color);
  margin-bottom: 20px;
}

.success-message h1 {
  margin-bottom: 20px;
}

.success-message p {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.success-actions {
  margin-top: 30px;
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.success-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 50px 0;
}

.info-card {
  background-color: var(--bg-light);
  padding: 25px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.info-card i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.recommended-section {
  margin-top: 50px;
  text-align: center;
}

.recommended-section h2 {
  margin-bottom: 30px;
}

/* Responsywność */
@media (max-width: 992px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid, .checkout-grid {
    grid-template-columns: 1fr;
  }
  
  .cart-header, .cart-product-item {
    grid-template-columns: 2fr 1fr 1fr 0.5fr;
  }
  
  .cart-price {
    display: none;
  }
}

@media (max-width: 768px) {
  header .container {
    flex-direction: column;
  }
  
  nav ul {
    margin-top: 15px;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .stats {
    flex-direction: column;
  }
  
  .stat-item {
    width: 100%;
    margin-bottom: 20px;
  }
  
  .cart-header, .cart-product-item {
    grid-template-columns: 2fr 1fr 0.5fr;
  }
  
  .cart-total {
    display: none;
  }
  
  .cart-actions {
    flex-direction: column;
    gap: 15px;
  }
  
  .success-actions {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  nav ul li {
    margin: 5px 10px;
  }
  
  .advantage-item, .value-item, .department-card {
    padding: 20px 15px;
  }
  
  .tabs-header {
    flex-wrap: wrap;
  }
  
  .tab-btn {
    padding: 10px 15px;
    width: 100%;
    text-align: left;
  }
  
  .cart-header, .cart-product-item {
    grid-template-columns: 1fr 0.5fr;
  }
  
  .cart-quantity {
    display: none;
  }
  
  .cart-product {
    flex-direction: column;
    align-items: flex-start;
  }
}