/* 
  Base styles for AutoExpert website
  Polish Car Services Business
  Author: myagkaya-pshenitsa.com
*/

/* ------ VARIABLES ------ */
:root {
  /* Colors */
  --primary-color: #1a3c6e;         /* Dark blue for headers and primary elements */
  --secondary-color: #e74c3c;       /* Red for accents and CTA buttons */
  --tertiary-color: #f39c12;        /* Orange-yellow for secondary accents */
  --text-color: #333333;            /* Dark grey for body text */
  --text-light: #666666;            /* Lighter grey for secondary text */
  --background-light: #f8f9fa;      /* Light grey background */
  --background-dark: #2c3e50;       /* Dark blue-grey for footer */
  --white: #ffffff;                 /* White for backgrounds */
  --border-color: #dddddd;          /* Border color */
  --success-color: #2ecc71;         /* Green for success states */
  --error-color: #e74c3c;           /* Red for error states */
  
  /* Fonts */
  --font-primary: 'Roboto', 'Helvetica Neue', sans-serif;
  --font-secondary: 'Open Sans', Arial, sans-serif;
  
  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 30px;
  --spacing-xl: 50px;
  
  /* Borders */
  --border-radius-sm: 3px;
  --border-radius-md: 5px;
  --border-radius-lg: 10px;
  
  /* 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;
  
  /* Container width */
  --container-width: 1200px;
}

/* ------ RESET AND BASE STYLES ------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

ul, ol {
  list-style-position: inside;
}

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

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

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

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

button, .btn {
  cursor: pointer;
  display: inline-block;
  border: none;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--transition-fast);
  background-color: var(--secondary-color);
  color: var(--white);
}

button:hover, .btn:hover {
  background-color: darken(var(--secondary-color), 10%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: darken(var(--primary-color), 10%);
}

.btn-tertiary {
  background-color: transparent;
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-tertiary:hover {
  background-color: var(--background-light);
  border-color: var(--primary-color);
}

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

section {
  padding: var(--spacing-xl) 0;
}

/* ------ HEADER ------ */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

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

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

nav ul li {
  margin-left: var(--spacing-md);
}

nav ul li a {
  text-transform: uppercase;
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--spacing-sm);
}

nav ul li a.active {
  color: var(--secondary-color);
  font-weight: 700;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  height: 3px;
  width: 100%;
  background-color: var(--primary-color);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

/* ------ BANNER SECTION ------ */
.banner {
  background-color: var(--background-light);
  padding: var(--spacing-xl) 0;
}

.banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.banner-content {
  flex: 1;
  padding-right: var(--spacing-xl);
}

.banner-image {
  flex: 1;
}

.banner h1 {
  margin-bottom: var(--spacing-md);
  font-size: 2.8rem;
  color: var(--primary-color);
}

.banner p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
}

/* ------ ABOUT SECTION ------ */
.about {
  padding: var(--spacing-xl) 0;
}

.about-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
}

/* ------ SERVICES SECTION ------ */
.services {
  background-color: var(--background-light);
  padding: var(--spacing-xl) 0;
}

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

.service-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
  text-align: center;
}

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

.service-card img {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
}

.service-card h3 {
  margin-bottom: var(--spacing-sm);
}

/* ------ SHOWROOM SECTION ------ */
.showroom {
  padding: var(--spacing-xl) 0;
}

.showroom-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.showroom-text {
  flex: 1;
}

.showroom-image {
  flex: 1;
}

/* ------ DIAGNOSTICS SECTION ------ */
.diagnostics {
  background-color: var(--background-light);
  padding: var(--spacing-xl) 0;
}

.diagnostics-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.diagnostics-text {
  flex: 1;
}

.diagnostics-text ul {
  margin-bottom: var(--spacing-lg);
}

.diagnostics-image {
  flex: 1;
}

/* ------ TESTIMONIALS SECTION ------ */
.testimonials {
  padding: var(--spacing-xl) 0;
}

.testimonials-slider {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.testimonial {
  flex: 1;
  min-width: 300px;
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.testimonial-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.testimonial-content p {
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.testimonial-content h4 {
  font-weight: 600;
  color: var(--text-color);
}

/* ------ CONTACT SECTION ------ */
.contact {
  background-color: var(--background-light);
  padding: var(--spacing-xl) 0;
}

.contact-content {
  display: flex;
  gap: var(--spacing-xl);
}

.contact-info {
  flex: 1;
}

.contact-info h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-color);
  transition: background-color var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--secondary-color);
}

.social-links img {
  width: 20px;
  height: 20px;
}

.contact-form {
  flex: 1;
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

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

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

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

.form-checkbox label {
  font-size: 0.9rem;
}

/* ------ FOOTER ------ */
footer {
  background-color: var(--background-dark);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-columns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-column {
  flex: 1;
  min-width: 240px;
}

.footer-column h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.footer-column ul {
  list-style: none;
}

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

.footer-column ul li a {
  color: var(--white);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-column ul li a:hover {
  opacity: 1;
}

.footer-column p {
  opacity: 0.8;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ------ THANK YOU PAGE ------ */
.thank-you {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.thank-you-content {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-xl) 0;
}

.thank-you-content img {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
}

.thank-you-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* ------ LEGAL PAGES ------ */
.legal {
  padding: var(--spacing-xl) 0;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.legal-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.legal-content ul, 
.legal-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content li {
  margin-bottom: var(--spacing-sm);
}

/* ------ BLOG ------ */
.blog-header {
  background-color: var(--background-light);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.blog-header h1 {
  margin-bottom: var(--spacing-sm);
}

.blog-header p {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

.blog-articles {
  padding: var(--spacing-xl) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.blog-card {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.blog-image {
  height: 200px;
  overflow: hidden;
}

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

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

.blog-content {
  padding: var(--spacing-lg);
}

.blog-date {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.blog-content h2 {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-sm);
}

.blog-content p {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
}

/* ------ NEWSLETTER ------ */
.newsletter {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.newsletter-content {
  max-width: 700px;
  margin: 0 auto;
}

.newsletter h2 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.newsletter p {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
}

/* ------ ARTICLE PAGE ------ */
.article {
  padding: var(--spacing-xl) 0;
}

.article-header {
  margin-bottom: var(--spacing-lg);
}

.back-link {
  display: inline-block;
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
}

.article-date {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.article-image {
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.8rem;
}

.article-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.4rem;
}

.article-content p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-lg);
}

.article-content li {
  margin-bottom: var(--spacing-sm);
}

.article-cta {
  margin: var(--spacing-xl) 0;
  text-align: center;
}

.article-share {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
}

.article-share h3 {
  margin-bottom: var(--spacing-md);
}

.more-articles {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.more-articles h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.article-card {
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: block;
}

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

.article-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.article-card h4 {
  padding: var(--spacing-md);
  font-size: 1rem;
  margin-bottom: 0;
}

/* ------ RESPONSIVE STYLES ------ */
@media (max-width: 992px) {
  html {
    font-size: 14px;
  }
  
  .banner .container,
  .about-content,
  .showroom-content,
  .diagnostics-content,
  .contact-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .banner-content,
  .about-text,
  .about-image,
  .showroom-text,
  .showroom-image,
  .diagnostics-text,
  .diagnostics-image,
  .contact-info,
  .contact-form {
    flex: 1 0 100%;
    padding-right: 0;
  }
  
  .banner-image,
  .about-image,
  .showroom-image,
  .diagnostics-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .logo {
    margin-bottom: var(--spacing-md);
  }
  
  nav {
    width: 100%;
  }
  
  nav ul {
    flex-direction: column;
    display: none;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10;
  }
  
  nav ul.show {
    display: flex;
  }
  
  nav ul li {
    margin-left: 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  nav ul li a {
    display: block;
    padding: var(--spacing-md);
  }
  
  .mobile-menu-toggle {
    display: flex;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-lg);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 12px;
  }
  
  .banner h1 {
    font-size: 2.2rem;
  }
  
  section {
    padding: var(--spacing-lg) 0;
  }
  
  .testimonials-slider {
    flex-direction: column;
  }
  
  .thank-you-buttons {
    flex-direction: column;
  }
}