:root {
    --primary: #ff5722;
    --secondary: #2196f3;
    --dark: #212121;
    --light: #f5f5f5;
    --gray: #757575;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
  }

  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
  }

  h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
  }

  h2:after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    margin-top: 0.5rem;
  }

  h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  p {
    margin-bottom: 1rem;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
  }

  .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.1;
  }

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

  a:hover {
    text-decoration: underline;
  }

  .btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
  }

  .btn:hover {
    background-color: #e64a19;
    text-decoration: none;
  }

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

  .btn-primary:hover {
    background-color: #e64a19;
  }

  ul, ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
  }

  /* Hero Section */
  .hero-section {
    position: relative;
    background-color: var(--dark);
    color: white;
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
  }

  .hero-section h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  }

  .hero-subtitle {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.9);
  }

  /* Advice Categories */
  .advice-categories {
    padding: 80px 0;
    background-color: white;
  }

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

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

  @media (min-width: 1024px) {
    .category-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

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

  .category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  }

  .category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }

  .category-card h3 {
    color: var(--dark);
    padding: 20px 20px 10px;
  }

  .category-card p {
    padding: 0 20px;
    color: var(--gray);
    margin-bottom: 20px;
  }

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

  /* Detailed Advice Section */
  .detailed-advice {
    position: relative;
    padding: 80px 0;
    background-color: #f9f9f9;
    overflow: hidden;
  }

  .advice-content {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
  }

  .advice-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
  }

  @media (min-width: 768px) {
    .advice-columns {
      grid-template-columns: 2fr 1fr;
    }
  }

  .advice-text ul {
    margin-bottom: 20px;
  }

  .advice-text li {
    margin-bottom: 10px;
  }

  .advice-tips {
    background-color: rgba(33, 150, 243, 0.1);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary);
  }

  .expert-tip {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
  }

  .expert-tip i {
    color: var(--success);
    margin-right: 10px;
    font-size: 1.2rem;
    margin-top: 3px;
  }

  /* Seasonal Advice Section */
  .seasonal-advice {
    padding: 80px 0;
    background-color: white;
  }

  .trends-container {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
    margin-bottom: 60px;
  }

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

  @media (min-width: 1024px) {
    .trends-container {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .trend-card {
    background-color: white;
    padding: 30px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
  }

  .trend-card:hover {
    transform: translateY(-5px);
  }

  .trend-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 87, 34, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
  }

  .trend-icon i {
    font-size: 30px;
    color: var(--primary);
  }

  .seasonal-equipment h3 {
    margin-bottom: 30px;
  }

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

  @media (min-width: 768px) {
    .equipment-slider {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .equipment-item {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .equipment-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }

  .equipment-item h4 {
    padding: 15px 15px 5px;
  }

  .equipment-item p {
    padding: 0 15px 15px;
    color: var(--gray);
  }

  /* Expert Corner */
  .expert-corner {
    padding: 80px 0;
    background-color: #f9f9f9;
  }

  .expert-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 50px;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
  }

  @media (min-width: 768px) {
    .expert-profile {
      flex-direction: row;
      align-items: flex-start;
    }
  }

  .expert-profile img {
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 50%;
    margin-bottom: 20px;
  }

  @media (min-width: 768px) {
    .expert-profile img {
      margin-bottom: 0;
      margin-right: 30px;
    }
  }

  .expert-info {
    flex: 1;
  }

  .expert-title {
    color: var(--gray);
    margin-bottom: 20px;
    font-style: italic;
  }

  blockquote {
    font-style: italic;
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    margin-bottom: 20px;
    color: var(--dark);
  }

  .expert-questions h3 {
    margin-bottom: 30px;
  }

  .accordion {
    margin-bottom: 30px;
  }

  .accordion-item {
    margin-bottom: 10px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
  }

  .accordion-toggle {
    width: 100%;
    padding: 15px 20px;
    background-color: white;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .accordion-toggle:hover {
    background-color: #f5f5f5;
  }

  .accordion-toggle i {
    transition: var(--transition);
  }

  .accordion-toggle.active i {
    transform: rotate(180deg);
  }

  .accordion-content {
    background-color: white;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }

  .accordion-content.active {
    padding: 20px;
    max-height: 300px;
  }

  /* Newsletter Section */
  .newsletter-section {
    padding: 80px 0;
    background-color: var(--dark);
    color: white;
  }

  .newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
  }

  .newsletter-content h2 {
    color: white;
  }

  .newsletter-content h2:after {
    margin: 0.5rem auto;
  }

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

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

  label {
    display: block;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.8);
  }

  input, select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
  }

  input::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }

  select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
  }

  select option {
    background-color: var(--dark);
    color: white;
  }

  .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
  }

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