    /* ── Shared section layout ─────────────────────────────────── */
    .section-inner {
      max-width: 62rem;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    .section-header {
      text-align: center;
      margin-bottom: 4rem;
    }

    .section-header h2 {
      font-size: clamp(1.75rem, 4vw, 3rem);
      font-weight: 600;
      letter-spacing: -0.03em;
    }

    .section-header p {
      margin-top: 1rem;
      color: var(--muted-fg);
      font-size: 1.0625rem;
    }

    /* ── Featured Tools ────────────────────────────────────────── */
    #tools {
      padding: 5rem 0;
      background: var(--bg);
    }

    .tools-list {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .tool-card {
      display: block;
      border-radius: var(--radius);
      background: var(--secondary);
      overflow: hidden;
      transition: background 0.3s;
    }

    .tool-card:hover {
      background: #ebebeb;
    }

    .tool-card-inner {
      display: flex;
      flex-direction: column;
    }

    @media (min-width: 640px) {
      .tool-card-inner {
        flex-direction: row;
      }
    }

    .tool-image {
      flex-shrink: 0;
    }

    .tool-image-wrap {
      aspect-ratio: 4/3;
    }

    @media (min-width: 640px) {
      .tool-image {
        width: 12rem;
      }

      .tool-image-wrap {
        aspect-ratio: 1;
        height: 100%;
      }
    }

    @media (min-width: 768px) {
      .tool-image {
        width: 16rem;
      }
    }

    .tool-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .tool-content {
      flex: 1;
      padding: 1.5rem 2rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .tool-name {
      font-size: 0.8125rem;
      font-weight: 600;
      text-transform: none;
    }

    .color-rose {
      color: #f43f5e;
    }

    .color-blue {
      color: #3b82f6;
    }

    .color-violet {
      color: #8b5cf6;
    }

    .color-emerald {
      color: #10b981;
    }

    .color-orange {
      color: #f97316;
    }

    .tool-tagline {
      margin-top: 0.25rem;
      font-size: clamp(1rem, 2.5vw, 1.375rem);
      font-weight: 600;
      color: var(--fg);
    }

    .tool-desc {
      margin-top: 0.5rem;
      color: var(--muted-fg);
      font-size: 0.9375rem;
    }

    .tool-link {
      margin-top: 1rem;
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--fg);
      transition: gap 0.2s;
    }

    .tool-card:hover .tool-link {
      gap: 0.5rem;
    }

    .tool-link svg {
      width: 1rem;
      height: 1rem;
      transition: transform 0.2s;
    }

    .tool-card:hover .tool-link svg {
      transform: translateX(3px);
    }

    /* ── Why Section ───────────────────────────────────────────── */
    #why {
      padding: 5rem 0;
      background: #f9f9f9;
    }

    .why-list {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .why-card {
      border-radius: 1.5rem;
      background: var(--bg);
      padding: 3rem;
      height: 24rem;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
    }

    .why-card:first-child {
      background-image: url("./assets/card-bg-image3.png");
    }

    .why-card:nth-child(2) {
      background-image: url("./assets/card-bg-image2.png");
    }

    .why-card:nth-child(3) {
      background-image: url("./assets/card-bg-image1.png");
    }

    .why-label {
      font-size: 0.8125rem;
      font-weight: 500;
      color: var(--muted-fg);
      margin-bottom: 0.75rem;
    }

    .why-headline {
      font-size: clamp(2rem, 5vw, 3rem);
      font-weight: 600;
      line-height: 1.1;
      white-space: pre-line;
    }

    /* Visual: Speed */
    .visual-speed {
      position: relative;
    }

    .visual-speed .icon-box {
      width: 6rem;
      height: 6rem;
      border-radius: 1rem;
      background: linear-gradient(135deg, #fb7185, #f97316);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(251, 113, 133, .35);
      transform: rotate(-6deg);
    }

    .visual-speed .icon-box svg {
      width: 3rem;
      height: 3rem;
      color: #fff;
    }

    .visual-speed .blur-dot {
      position: absolute;
      bottom: -0.5rem;
      right: -0.5rem;
      width: 4rem;
      height: 4rem;
      border-radius: 0.75rem;
      background: linear-gradient(135deg, #fb923c, #f43f5e);
      opacity: .6;
      filter: blur(4px);
    }

    /* Visual: Focus */
    .visual-focus {
      position: relative;
    }

    .ring-outer {
      width: 7rem;
      height: 7rem;
      border-radius: 50%;
      border: 4px solid #ddd6fe;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .ring-mid {
      width: 5rem;
      height: 5rem;
      border-radius: 50%;
      border: 4px solid #c4b5fd;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .ring-core {
      width: 3rem;
      height: 3rem;
      border-radius: 50%;
      background: linear-gradient(135deg, #8b5cf6, #7c3aed);
      box-shadow: 0 4px 16px rgba(139, 92, 246, .4);
    }

    /* Visual: Privacy */
    .visual-privacy {
      position: relative;
    }

    .lock-box {
      width: 5rem;
      height: 6rem;
      border-radius: 0.75rem;
      background: linear-gradient(135deg, #34d399, #14b8a6);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(52, 211, 153, .35);
    }

    .lock-box svg {
      width: 2.5rem;
      height: 2.5rem;
      color: #fff;
    }

    .lock-dot1 {
      position: absolute;
      top: -0.25rem;
      left: -0.25rem;
      width: 1.5rem;
      height: 1.5rem;
      border-radius: 50%;
      background: #6ee7b7;
      opacity: .7;
    }

    .lock-dot2 {
      position: absolute;
      bottom: -0.25rem;
      right: -0.25rem;
      width: 1rem;
      height: 1rem;
      border-radius: 50%;
      background: #2dd4bf;
      opacity: .7;
    }

    /* ── FAQ ───────────────────────────────────────────────────── */
    #faq {
      padding: 5rem 0;
      background: var(--bg);
    }

    .faq-list {
      max-width: 48rem;
      margin: 0 auto;
      border-top: 1px solid var(--border);
    }

    .faq-item {
      border-bottom: 1px solid var(--border);
    }

    .faq-btn {
      width: 100%;
      padding: 1.25rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--fg);
      font-family: inherit;
    }

    .faq-btn svg {
      width: 1.25rem;
      height: 1.25rem;
      flex-shrink: 0;
      color: var(--muted-fg);
      transition: transform 0.2s;
    }

    .faq-item.open .faq-btn svg {
      transform: rotate(180deg);
    }

    .faq-answer {
      overflow: hidden;
      max-height: 0;
      transition: max-height 0.25s ease, padding 0.25s ease;
    }

    .faq-item.open .faq-answer {
      max-height: 10rem;
      padding-bottom: 1.25rem;
    }

    .faq-answer p {
      color: var(--muted-fg);
      font-size: 0.9375rem;
    }

    /* ── Final CTA ─────────────────────────────────────────────── */
    #cta {
      padding: 5rem 0;
      background: var(--primary);
      color: var(--primary-fg);
    }

    #cta .section-inner {
      text-align: center;
    }

    #cta h2 {
      font-size: clamp(1.75rem, 4vw, 3rem);
      font-weight: 600;
      letter-spacing: -0.03em;
    }

    #cta p {
      margin-top: 1.5rem;
      font-size: 1.0625rem;
      opacity: .85;
    }

    #cta .btn-light {
      display: inline-flex;
      margin-top: 2.5rem;
      padding: 1rem 2rem;
      border-radius: 9999px;
      background: var(--bg);
      color: var(--fg);
      font-weight: 500;
      font-size: 0.9375rem;
      transition: opacity 0.2s;
    }

    #cta .btn-light:hover {
      opacity: .88;
    }

    /* ── Footer ────────────────────────────────────────────────── */
    footer {
      padding: 3rem 0;
      background: #f9f9f9;
      border-top: 1px solid var(--border);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 3rem;
      margin-bottom: 4rem;
    }

    .footer-col:first-child {
      grid-column: span 2;
    }

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

      .footer-col:first-child {
        grid-column: span 1;
      }

      .footer-col:not(:first-child) {
        text-align: right;
      }

      .footer-col ul {
        align-items: flex-end;
      }
    }

    .footer-col h3 {
      font-size: 1.0625rem;
      font-weight: 600;
      color: var(--fg);
      margin-bottom: 1.25rem;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .footer-col a {
      font-size: 0.875rem;
      color: var(--fg);
      transition: opacity 0.15s;
    }

    .footer-col a:hover {
      opacity: .6;
    }

    .footer-bottom {
      padding-top: 2rem;
      border-top: 1px solid var(--border);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      font-size: 0.8125rem;
      color: var(--muted-fg);
    }

    /* ── Responsive tweaks ─────────────────────────────────────── */
    @media (max-width: 768px) {
      .why-card {
        height: 12rem;
        padding: 1.5rem;
      }
    }

    /* ── Kits: Bento Matrix ─────────────────────────────────── */
    .kit-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: auto auto;
      gap: 1.5rem;
      margin-top: 4rem;
    }

    .kit-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2.5rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .kit-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    }

    .kit-card.wide {
      grid-column: span 2;
      flex-direction: row;
      align-items: center;
      gap: 3rem;
    }

    .kit-visual {
      position: relative;
      height: 120px;
      width: 200px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin: 0 auto;
    }

    .kit-card.wide .kit-visual {
      height: 180px;
      width: 320px;
    }

    .kit-glass-icon {
      width: 100px;
      height: 100px;
      border-radius: 20px;
      position: absolute;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      backdrop-filter: blur(8px);
      padding: 10px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      object-fit: contain;
    }

    .kit-glass-icon.v1 {
      transform: translate(-30%, -10%) rotate(-8deg);
      z-index: 2;
    }

    .kit-glass-icon.v2 {
      transform: translate(30%, 10%) rotate(8deg);
      z-index: 1;
      opacity: 0.8;
    }

    .kit-card.wide .kit-glass-icon {
      width: 110px;
      height: 110px;
    }

    .kit-text {
      flex: 1;
    }

    .kit-card .tool-name {
      margin-bottom: 0.5rem;
    }

    .kit-card h3 {
      font-size: 1.5rem;
      line-height: 1.2;
      margin-bottom: 1rem;
    }

    .kit-card .tool-desc {
      color: var(--muted-fg);
      font-size: 0.95rem;
    }

    @media (max-width: 900px) {
      .kit-grid {
        grid-template-columns: 1fr;
      }

      .kit-card.wide {
        grid-column: span 1;
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
      }

      .kit-visual {
        width: 100%;
        order: -1;
      }
    }
