@layer composition {
  .container {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-4);
  }

  @media (min-width: 640px) {
    .container {
      padding-inline: var(--space-6);
    }
  }

  @media (min-width: 1024px) {
    .container {
      padding-inline: var(--space-8);
    }
  }

  .grid {
    display: grid;
    gap: var(--space-6);
  }

  .grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

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

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

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

  .flex {
    display: flex;
    gap: var(--space-4);
  }

  .flex-center {
    align-items: center;
    justify-content: center;
  }

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

  .flex-column {
    flex-direction: column;
  }

  .flex-wrap {
    flex-wrap: wrap;
  }

  section {
    padding-block: var(--space-16);
  }

  @media (min-width: 768px) {
    section {
      padding-block: var(--space-24);
    }
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding-block: var(--space-4);
    transition: transform var(--transition-base);
  }

  .site-header.headroom--unpinned {
    transform: translateY(-100%);
  }

  .site-header.headroom--pinned {
    transform: translateY(0);
  }

  .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-4);
    gap: var(--space-6);
  }

  @media (min-width: 640px) {
    .header-container {
      padding-inline: var(--space-6);
    }
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }

  .nav-menu {
    display: none;
  }

  @media (min-width: 768px) {
    .nav-menu {
      display: flex;
    }

    /* Force-hide burger on desktop with higher specificity */
    header .header-container .burger-toggle {
      display: none !important;
    }
  }

  @media (max-width: 767px) {
    /* Mobile: show burger button and hide desktop nav */
    .burger-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: none;
      color: inherit;
      cursor: pointer;
      padding: var(--space-2);
    }

    .nav-menu {
      /* Make nav a simple vertical list under header, not fixed over whole page */
      position: relative;
      top: 0;
      left: 0;
      right: 0;
      background-color: transparent;
      border: none;
      display: flex;
      flex-direction: column;
      padding: 0;
      gap: 0;
      transform: none;
      opacity: 1;
      visibility: visible;
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease, padding 240ms ease;
      pointer-events: none; /* don't capture clicks when closed */
    }

    /* When active, reveal the nav as a block list under header */
   .nav-menu.active {
      /* Use viewport-based max height so menu can scroll on small screens
         subtract header height (approx 64px) to keep menu inside viewport */
      max-height: calc(100vh - 64px);
      padding: var(--space-4) var(--space-4) var(--space-6) var(--space-4);
      background-color: var(--color-bg-primary);
      border-bottom: 1px solid var(--color-border);
      overflow-y: auto;
      -webkit-overflow-scrolling: touch; /* smooth touch scrolling on iOS */
      pointer-events: auto; /* allow clicks when open */
    }

    /* Make individual nav items full-width and stacked */
    .nav-menu li {
      list-style: none;
      width: 100%;
    }

    .nav-menu li a {
      display: block;
      width: 100%;
      padding: var(--space-3) 0;
      color: var(--color-text-primary);
      text-decoration: none;
    }
  }

  .site-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-16);
  }

  .footer-container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-4);
  }

  @media (min-width: 640px) {
    .footer-container {
      padding-inline: var(--space-6);
    }
  }

  .footer-grid {
    display: grid;
    gap: var(--space-8);
    grid-template-columns: 1fr;
  }

  @media (min-width: 640px) {
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .footer-grid {
      grid-template-columns: 2fr 1fr 1fr 1fr;
    }
  }

  .footer-col h3,
  .footer-col h4 {
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
  }

  .footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer-col a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
  }

  .footer-col a:hover {
    color: var(--color-primary);
  }

  .footer-col p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
  }

  .footer-bottom {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
  }

  .hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
  }

  .hero-inner {
    min-height: 400px;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
  }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
  }

  .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
  }

  .content-split {
    display: grid;
    gap: var(--space-12);
    align-items: center;
  }

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

  .content-text h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--space-6);
  }

  .content-text p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
  }

  .content-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
  }

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