:root {
    --primary: #f8bb16;
    --secondary: #e30613;
    --dark: #006db7;
    --light: #f8f8f8;
    --text: #333333;
    --white: #ffffff;
    --gray: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.1);
  }

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

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

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
  }

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

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

  h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  p {
    margin-bottom: 1rem;
  }

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

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

  /* Hero Section */
  .instructions-hero {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 4rem 0;
    overflow: hidden;
  }

  .instructions-hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
  }

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

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

  .subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
  }

  /* Intro Section */
  .instructions-intro {
    padding: 4rem 0;
    background-color: var(--light);
  }

  .intro-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  .intro-text {
    flex: 1;
  }

  .intro-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
  }

  /* Search Section */
  .search-section {
    padding: 4rem 0;
    background-color: var(--white);
  }

  .search-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--light);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--shadow);
  }

  .search-group {
    display: flex;
    flex-direction: column;
  }

  label {
    margin-bottom: 0.5rem;
    font-weight: 500;
  }

  input, select {
    padding: 12px;
    border: 1px solid var(--gray);
    border-radius: 4px;
    font-size: 1rem;
  }

  .btn-search {
    background-color: var(--primary);
    color: var(--text);
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background-color 0.3s;
  }

  .btn-search:hover {
    background-color: #e0a800;
  }

  /* Popular Instructions */
  .popular-instructions {
    padding: 4rem 0;
    background-color: var(--light);
  }

  .instructions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .instruction-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
    transition: transform 0.3s;
  }

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

  .card-content {
    padding: 1.5rem;
  }

  .btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--dark);
    color: var(--white);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    margin-top: 1rem;
    transition: background-color 0.3s;
  }

  .btn-download:hover {
    background-color: #005a9e;
  }

  /* Building Tips */
  .building-tips {
    padding: 4rem 0;
    background-color: var(--white);
  }

  .tips-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

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

  .tips-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .tips-list i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 0.25rem;
  }

  .tips-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
  }

  /* FAQ Section */
  .faq-section {
    padding: 4rem 0;
    background-color: var(--light);
  }

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

  .faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--gray);
    border-radius: 4px;
    overflow: hidden;
  }

  .faq-question {
    width: 100%;
    background-color: var(--white);
    border: none;
    padding: 1rem;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .faq-question:hover {
    background-color: #f0f0f0;
  }

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

  .faq-item.active .faq-answer {
    padding: 1rem;
    max-height: 200px;
  }

  .faq-item.active .fa-chevron-down {
    transform: rotate(180deg);
  }

  .fa-chevron-down {
    transition: transform 0.3s;
  }

  /* CTA Section */
  .cta-section {
    padding: 4rem 0;
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
  }

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

  .btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary);
    color: var(--text);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 700;
    margin-top: 1.5rem;
    transition: background-color 0.3s;
  }

  .btn-contact:hover {
    background-color: #e0a800;
  }

  /* Responsive Design */
  @media (min-width: 768px) {
    .search-form {
      grid-template-columns: 1fr 1fr;
    }

    .search-form button {
      grid-column: span 2;
    }

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

    .intro-content,
    .tips-content {
      flex-direction: row;
    }
  }

  @media (min-width: 1024px) {
    h1 {
      font-size: 3rem;
    }

    .instructions-grid {
      grid-template-columns: repeat(4, 1fr);
    }

    .search-form {
      grid-template-columns: repeat(3, 1fr);
    }

    .search-form button {
      grid-column: span 3;
    }
  }