:root {
      --primary-color: #FFD700; /* Gold/Yellow */
      --secondary-color: #333; /* Dark grey for text */
      --accent-color: #E60000; /* Red for emphasis */
      --background-light: #f9f9f9;
      --background-dark: #222;
      --text-light: #fff;
      --text-dark: #333;
      --border-radius-main: 8px;
      --spacing-unit: 1rem; /* 16px */
    }

    /* Base styles for the page container */
    .page-smart-plan-599-free-phones {
      font-family: 'Arial', sans-serif;
      color: var(--text-dark);
      line-height: 1.6;
      background-color: var(--background-light);
      padding-top: 10px; /* Small padding to avoid content directly touching the header, relying on body padding for main offset */
    }

    .page-smart-plan-599-free-phones__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--spacing-unit) 1.5rem; /* 1.5rem = 24px */
    }

    /* Hero Section */
    .page-smart-plan-599-free-phones__hero-section {
      background: linear-gradient(135deg, #333, #555);
      color: var(--text-light);
      text-align: center;
      padding: 4rem 1.5rem; /* 64px 24px */
      position: relative;
      overflow: hidden;
      border-radius: var(--border-radius-main);
      margin-bottom: 2rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-smart-plan-599-free-phones__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.4); /* Dark overlay for text readability */
      z-index: 1;
    }
    
    .page-smart-plan-599-free-phones__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      display: block;
      max-width: 100%; /* Ensure responsiveness */
      height: auto;
    }

    .page-smart-plan-599-free-phones__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-smart-plan-599-free-phones__hero-title {
      font-size: 2.8rem; /* 44.8px */
      margin-bottom: 1rem;
      color: var(--primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-smart-plan-599-free-phones__hero-subtitle {
      font-size: 1.5rem; /* 24px */
      margin-bottom: 2rem;
      color: var(--text-light);
    }

    .page-smart-plan-599-free-phones__hero-button {
      background-color: var(--accent-color);
      color: var(--text-light);
      padding: 0.8rem 2rem; /* 12.8px 32px */
      border: none;
      border-radius: var(--border-radius-main);
      font-size: 1.1rem; /* 17.6px */
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      outline: none;
    }

    .page-smart-plan-599-free-phones__hero-button:hover {
      background-color: #cc0000; /* Darker red */
      transform: translateY(-2px);
    }

    /* Section Styling */
    .page-smart-plan-599-free-phones__section {
      padding: 3rem 0; /* 48px */
      background-color: var(--background-light);
      margin-bottom: 2rem;
      border-radius: var(--border-radius-main);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .page-smart-plan-599-free-phones__section--dark {
      background-color: var(--background-dark);
      color: var(--text-light);
    }

    .page-smart-plan-599-free-phones__section-title {
      font-size: 2.2rem; /* 35.2px */
      color: var(--secondary-color);
      text-align: center;
      margin-bottom: 2.5rem;
      position: relative;
    }

    .page-smart-plan-599-free-phones__section--dark .page-smart-plan-599-free-phones__section-title {
      color: var(--primary-color);
    }

    .page-smart-plan-599-free-phones__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--primary-color);
      margin: 0.8rem auto 0;
      border-radius: 2px;
    }

    /* Benefits Grid */
    .page-smart-plan-599-free-phones__benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem; /* 24px */
      text-align: center;
    }

    .page-smart-plan-599-free-phones__benefit-item {
      background-color: #fff;
      padding: 2rem 1.5rem; /* 32px 24px */
      border-radius: var(--border-radius-main);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phones__benefit-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-smart-plan-599-free-phones__benefit-icon {
      width: 250px; /* Min 200x200px requirement */
      height: 250px;
      margin-bottom: 1rem;
      object-fit: contain;
      max-width: 100%;
      height: auto;
      display: block;
      box-sizing: border-box;
    }

    .page-smart-plan-599-free-phones__benefit-title {
      font-size: 1.3rem; /* 20.8px */
      color: var(--primary-color);
      margin-bottom: 0.8rem;
    }

    .page-smart-plan-599-free-phones__benefit-description {
      font-size: 1rem; /* 16px */
      color: var(--text-dark);
    }

    /* Phone Showcase */
    .page-smart-plan-599-free-phones__phone-showcase {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem; /* 32px */
    }

    .page-smart-plan-599-free-phones__phone-card {
      background-color: #fff;
      border-radius: var(--border-radius-main);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phones__phone-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-smart-plan-599-free-phones__phone-image-wrapper {
      width: 100%;
      max-height: 250px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #eee;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phones__phone-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      max-width: 100%;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phones__phone-info {
      padding: 1.5rem; /* 24px */
    }

    .page-smart-plan-599-free-phones__phone-name {
      font-size: 1.4rem; /* 22.4px */
      color: var(--secondary-color);
      margin-bottom: 0.5rem;
    }

    .page-smart-plan-599-free-phones__phone-price {
      font-size: 1.2rem; /* 19.2px */
      color: var(--accent-color);
      font-weight: bold;
      margin-bottom: 1rem;
    }

    .page-smart-plan-599-free-phones__phone-details {
      font-size: 0.95rem; /* 15.2px */
      color: #666;
    }

    /* How It Works Section */
    .page-smart-plan-599-free-phones__steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem; /* 32px */
      text-align: center;
    }

    .page-smart-plan-599-free-phones__step-item {
      background-color: #fff;
      padding: 2rem 1.5rem;
      border-radius: var(--border-radius-main);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      position: relative;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phones__step-number {
      font-size: 2.5rem; /* 40px */
      color: var(--primary-color);
      font-weight: bold;
      margin-bottom: 1rem;
      display: block;
      line-height: 1;
    }

    .page-smart-plan-599-free-phones__step-title {
      font-size: 1.3rem; /* 20.8px */
      color: var(--secondary-color);
      margin-bottom: 0.8rem;
    }

    .page-smart-plan-599-free-phones__step-description {
      font-size: 1rem; /* 16px */
      color: var(--text-dark);
    }

    /* Call to Action */
    .page-smart-plan-599-free-phones__cta-section {
      text-align: center;
      padding: 3rem 1.5rem;
      background: linear-gradient(90deg, #E60000, #FF4500); /* Red to Orange gradient */
      color: var(--text-light);
      border-radius: var(--border-radius-main);
      margin-top: 2rem;
    }

    .page-smart-plan-599-free-phones__cta-title {
      font-size: 2.5rem;
      margin-bottom: 1rem;
      color: var(--primary-color);
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-smart-plan-599-free-phones__cta-text {
      font-size: 1.2rem;
      margin-bottom: 2rem;
    }

    .page-smart-plan-599-free-phones__cta-button {
      background-color: var(--primary-color);
      color: var(--secondary-color);
      padding: 1rem 2.5rem;
      border: none;
      border-radius: var(--border-radius-main);
      font-size: 1.2rem;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      outline: none;
    }

    .page-smart-plan-599-free-phones__cta-button:hover {
      background-color: #ffd700; /* Slightly lighter gold */
      transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-smart-plan-599-free-phones__faq-section {
      background-color: #f0f0f0;
      padding: 3rem 0;
      border-radius: var(--border-radius-main);
      margin-top: 2rem;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .page-smart-plan-599-free-phones__faq-list {
      max-width: 800px;
      margin: 0 auto;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
      width: 100%;
      max-width: 100%;
      padding: 0 1rem; /* Adjust padding for list container */
    }

    .page-smart-plan-599-free-phones__faq-item {
      background-color: #fff;
      border-radius: var(--border-radius-main);
      margin-bottom: 1rem;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      box-sizing: border-box; /* Crucial for mobile responsiveness */
    }

    .page-smart-plan-599-free-phones__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #f7f7f7;
      border-bottom: 1px solid #eee;
      cursor: pointer;
      user-select: none;
      font-size: 1.1rem;
      color: var(--secondary-color);
      transition: background-color 0.3s ease;
      outline: none;
    }

    .page-smart-plan-599-free-phones__faq-question:hover {
      background-color: #e9e9e9;
    }

    .page-smart-plan-599-free-phones__faq-question h3 {
      margin: 0;
      font-size: 1.1rem;
      color: var(--secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click on parent div */
    }

    .page-smart-plan-599-free-phones__faq-toggle {
      font-size: 1.5rem;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent div */
    }

    .page-smart-plan-599-free-phones__faq-item.active .page-smart-plan-599-free-phones__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually, or '-' */
    }

    .page-smart-plan-599-free-phones__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--text-dark);
      font-size: 0.95rem;
    }

    .page-smart-plan-599-free-phones__faq-item.active .page-smart-plan-599-free-phones__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-smart-plan-599-free-phones__container {
        padding: var(--spacing-unit) 1rem;
      }

      .page-smart-plan-599-free-phones__hero-title {
        font-size: 2rem; /* 32px */
      }

      .page-smart-plan-599-free-phones__hero-subtitle {
        font-size: 1.2rem; /* 19.2px */
      }

      .page-smart-plan-599-free-phones__section-title {
        font-size: 1.8rem; /* 28.8px */
      }

      .page-smart-plan-599-free-phones__benefits-grid,
      .page-smart-plan-599-free-phones__phone-showcase,
      .page-smart-plan-599-free-phones__steps-grid {
        grid-template-columns: 1fr;
      }

      /* List item responsiveness */
      .page-smart-plan-599-free-phones__benefit-item,
      .page-smart-plan-599-free-phones__phone-card,
      .page-smart-plan-599-free-phones__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 1.5rem 1rem !important; /* Adjust padding for smaller screens */
      }
      
      .page-smart-plan-599-free-phones__benefit-description,
      .page-smart-plan-599-free-phones__phone-details,
      .page-smart-plan-599-free-phones__step-description,
      .page-smart-plan-599-free-phones__faq-answer p { /* Target p inside answer */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-smart-plan-599-free-phones__benefit-icon,
      .page-smart-plan-599-free-phones__phone-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-smart-plan-599-free-phones__phone-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      .page-smart-plan-599-free-phones__cta-title {
        font-size: 2rem;
      }

      .page-smart-plan-599-free-phones__cta-text {
        font-size: 1rem;
      }

      .page-smart-plan-599-free-phones__faq-question,
      .page-smart-plan-599-free-phones__faq-question h3 {
        font-size: 1rem;
      }

      .page-smart-plan-599-free-phones__faq-answer {
        font-size: 0.9rem;
        padding: 15px 10px !important; /* Adjust padding for mobile */
      }
      .page-smart-plan-599-free-phones__faq-list {
        padding: 0; /* Remove horizontal padding from list container on mobile */
      }
    }

    @media (max-width: 480px) {
      .page-smart-plan-599-free-phones__hero-section {
        padding: 3rem 1rem;
      }
      .page-smart-plan-599-free-phones__hero-title {
        font-size: 1.8rem;
      }
      .page-smart-plan-599-free-phones__hero-subtitle {
        font-size: 1rem;
      }
      .page-smart-plan-599-free-phones__hero-button {
        padding: 0.7rem 1.5rem;
        font-size: 1rem;
      }
      .page-smart-plan-599-free-phones__section-title {
        font-size: 1.6rem;
      }
      .page-smart-plan-599-free-phones__cta-title {
        font-size: 1.8rem;
      }
    }