/* =========================
       RESET
    ========================= */

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Inter", sans-serif;
      background: #fff;
      color: #101010;
      line-height: 1.5;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input {
      font-family: inherit;
    }

    button {
      cursor: pointer;
    }

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

    .container {
      width: min(1180px, calc(100% - 40px));
      margin-inline: auto;
    }

    .eyebrow {
      display: block;
      color: #7c3aed;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 1.5px;
      margin-bottom: 10px;
    }


    /* =========================
       NAVIGATION
    ========================= */

    .header {
      height: 82px;
      background: rgba(255, 255, 255, 0.95);
      border-bottom: 1px solid #ececec;
      display: flex;
      align-items: center;
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(14px);
    }

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

    .logo {
      font-size: 23px;
      font-weight: 800;
      letter-spacing: -1px;
    }

    .logo span {
      color: #7c3aed;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 34px;
    }

    .nav-links a {
      color: #555;
      font-size: 14px;
      font-weight: 500;
      transition: 0.2s ease;
    }

    .nav-links a:hover {
      color: #111;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .icon-btn {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      border: 1px solid #e8e8e8;
      background: #fff;
      display: grid;
      place-items: center;
    }

    .icon-btn svg {
      width: 18px;
      fill: none;
      stroke: #111;
      stroke-width: 1.8;
    }

    .nav-btn {
      background: #101010;
      color: #fff;
      padding: 12px 19px;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
    }


    /* =========================
       BREADCRUMBS
    ========================= */

    .breadcrumbs {
      border-bottom: 1px solid #eee;
      background: #fafafa;
    }

    .breadcrumbs-inner {
      height: 52px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #969696;
      font-size: 11px;
    }

    .breadcrumbs a:hover {
      color: #111;
    }

    .breadcrumbs strong {
      color: #444;
      font-weight: 500;
    }


    /* =========================
       PRODUCT MAIN
    ========================= */

    .product-main {
      padding: 55px 0 90px;
    }

    .product-layout {
      display: grid;
      grid-template-columns: 1.08fr 0.92fr;
      gap: 70px;
      align-items: start;
    }


    /* =========================
       PRODUCT GALLERY
    ========================= */

    .product-gallery {
      position: sticky;
      top: 115px;
    }

    .main-image {
      height: 640px;
      border-radius: 24px;
      overflow: hidden;
      background: #fff;
      position: relative;
    }

    .main-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 24px;
      transition: transform 0.35s ease;
      transform-origin: center center;
    }

    .main-image:hover img {
      transform: scale(1.06);
    }

    .image-badge {
      position: absolute;
      top: 20px;
      left: 20px;
      z-index: 2;
      background: #fff;
      padding: 8px 11px;
      border-radius: 8px;
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.8px;
      box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    }

    .wishlist-btn {
      position: absolute;
      top: 20px;
      right: 20px;
      z-index: 2;
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border: 0;
      border-radius: 50%;
      background: #fff;
      font-size: 18px;
    }

    .gallery-thumbnails {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin-top: 12px;
    }

    .thumbnail {
      height: 110px;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid #e5e5e5;
      background: #fff;
      padding: 0;
      transition: 0.2s ease;
    }

    .thumbnail:hover,
    .thumbnail.active {
      border-color: #7c3aed;
    }

    .thumbnail img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 8px;
    }


    /* =========================
       PRODUCT INFO
    ========================= */

    .product-info {
      padding-top: 5px;
    }

    .product-rating {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 17px;
      font-size: 11px;
    }

    .stars {
      color: #7c3aed;
      letter-spacing: 2px;
    }

    .rating-copy {
      color: #777;
    }

    .product-info h1 {
      font-size: clamp(42px, 5vw, 62px);
      line-height: 1;
      letter-spacing: -3px;
    }

    .product-tagline {
      margin-top: 17px;
      color: #6f6f6f;
      font-size: 15px;
      line-height: 1.75;
      max-width: 540px;
    }

    .price-row {
      display: flex;
      align-items: flex-end;
      gap: 11px;
      margin-top: 28px;
    }

    .product-price {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -1.5px;
    }

    .old-price {
      color: #aaa;
      font-size: 14px;
      text-decoration: line-through;
      margin-bottom: 5px;
    }

    .finance-copy {
      color: #777;
      font-size: 11px;
      margin-top: 5px;
    }

    .stock-status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-top: 23px;
      color: #2d7b4b;
      font-size: 11px;
      font-weight: 600;
    }

    .stock-status::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #37a863;
    }


    /* =========================
       QUICK SPECS
    ========================= */

    .quick-specs {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-top: 30px;
    }

    .quick-spec {
      min-height: 88px;
      padding: 17px;
      border: 1px solid #e9e9e9;
      border-radius: 13px;
      background: #fafafa;
    }

    .quick-spec small {
      display: block;
      color: #999;
      font-size: 9px;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 6px;
    }

    .quick-spec strong {
      font-size: 13px;
    }


    /* =========================
       CONFIGURATION
    ========================= */

    .config-section {
      margin-top: 35px;
      padding-top: 30px;
      border-top: 1px solid #ececec;
    }

    .config-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .config-header h3 {
      font-size: 14px;
    }

    .config-header span {
      color: #999;
      font-size: 10px;
    }

    .option-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 9px;
    }

    .option {
      min-height: 69px;
      background: #fff;
      border: 1px solid #dedede;
      border-radius: 11px;
      text-align: left;
      padding: 13px 15px;
      transition: 0.2s ease;
    }

    .option:hover {
      border-color: #aaa;
    }

    .option.active {
      border-color: #7c3aed;
      box-shadow: 0 0 0 1px #7c3aed;
      background: #fbf9ff;
    }

    .option strong {
      display: block;
      font-size: 12px;
    }

    .option span {
      display: block;
      margin-top: 3px;
      color: #8c8c8c;
      font-size: 9px;
    }


    /* =========================
       PURCHASE
    ========================= */

    .purchase-area {
      margin-top: 32px;
    }

    .buy-row {
      display: block;
    }

    .add-cart {
      border: 0;
      border-radius: 11px;
      background: #101010;
      color: #fff;
      font-size: 13px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: 0.25s ease;
    }

    .add-cart:hover {
      background: #252525;
      transform: translateY(-2px);
    }

    .amazon-buy {
      width: 100%;
      min-height: 54px;
      text-decoration: none;
    }

    .amazon-note {
      margin-top: 10px;
      color: #7b7b7b;
      font-size: 12px;
      line-height: 1.7;
    }

    .buy-benefits {
      margin-top: 25px;
      border: 1px solid #e8e8e8;
      border-radius: 14px;
      overflow: hidden;
    }

    .buy-benefit {
      padding: 16px 17px;
      display: flex;
      align-items: center;
      gap: 13px;
      border-bottom: 1px solid #ededed;
    }

    .buy-benefit:last-child {
      border-bottom: 0;
    }

    .benefit-icon {
      width: 36px;
      height: 36px;
      border-radius: 9px;
      background: #f3efff;
      color: #7c3aed;
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }

    .buy-benefit strong {
      display: block;
      font-size: 11px;
    }

    .buy-benefit span {
      display: block;
      color: #888;
      font-size: 9px;
      margin-top: 2px;
    }


    /* =========================
       PRODUCT NAV
    ========================= */

    .product-subnav {
      border-top: 1px solid #eaeaea;
      border-bottom: 1px solid #eaeaea;
      background: #fff;
    }

    .subnav-inner {
      min-height: 66px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 45px;
    }

    .subnav-inner a {
      font-size: 12px;
      font-weight: 600;
      color: #777;
    }

    .subnav-inner a:hover {
      color: #7c3aed;
    }


    /* =========================
       PERFORMANCE
    ========================= */

    .performance-section {
      padding: 110px 0;
      background: #101010;
      color: #fff;
    }

    .performance-heading {
      text-align: center;
      max-width: 750px;
      margin: 0 auto;
    }

    .performance-heading .eyebrow {
      color: #c0a2ff;
    }

    .performance-heading h2 {
      font-size: clamp(38px, 5vw, 60px);
      line-height: 1.05;
      letter-spacing: -3px;
    }

    .performance-heading p {
      color: #999;
      font-size: 14px;
      max-width: 570px;
      margin: 20px auto 0;
      line-height: 1.7;
    }

    .fps-grid {
      margin-top: 55px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border: 1px solid #292929;
      border-radius: 17px;
      overflow: hidden;
    }

    .fps-card {
      padding: 30px 20px;
      background: #141414;
      text-align: center;
      border-right: 1px solid #292929;
    }

    .fps-card:last-child {
      border-right: 0;
    }

    .fps-card span {
      color: #777;
      font-size: 10px;
      display: block;
    }

    .fps-card strong {
      display: block;
      margin-top: 10px;
      font-size: 31px;
      letter-spacing: -1.5px;
    }

    .fps-card small {
      color: #a98bff;
      font-size: 9px;
    }

    .performance-image {
      height: 530px;
      margin-top: 55px;
      border-radius: 22px;
      overflow: hidden;
    }

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


    /* =========================
       FEATURES
    ========================= */

    .features-section {
      padding: 110px 0;
    }

    .section-heading {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 48px;
    }

    .section-heading h2 {
      font-size: clamp(35px, 4vw, 48px);
      line-height: 1.08;
      letter-spacing: -2px;
    }

    .section-heading p {
      max-width: 420px;
      color: #888;
      font-size: 12px;
      line-height: 1.7;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .feature-card {
      background: #fafafa;
      border: 1px solid #eaeaea;
      border-radius: 18px;
      padding: 30px;
      min-height: 275px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .feature-number {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: #eee7ff;
      color: #7c3aed;
      font-size: 12px;
      font-weight: 700;
    }

    .feature-card h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

    .feature-card p {
      color: #7b7b7b;
      font-size: 12px;
      line-height: 1.7;
    }


    /* =========================
       SPECS
    ========================= */

    .spec-section {
      padding: 110px 0;
      background: #fafafa;
    }

    .spec-layout {
      display: grid;
      grid-template-columns: 0.7fr 1.3fr;
      gap: 100px;
    }

    .spec-intro h2 {
      font-size: clamp(38px, 4vw, 50px);
      letter-spacing: -2.5px;
      line-height: 1.05;
    }

    .spec-intro p {
      color: #777;
      margin-top: 18px;
      font-size: 12px;
      line-height: 1.7;
    }

    .spec-table {
      border-top: 1px solid #ddd;
    }

    .spec-row {
      display: grid;
      grid-template-columns: 0.7fr 1.3fr;
      padding: 19px 0;
      border-bottom: 1px solid #ddd;
      gap: 30px;
    }

    .spec-row span {
      color: #999;
      font-size: 11px;
    }

    .spec-row strong {
      font-size: 12px;
      font-weight: 600;
    }


    /* =========================
       REVIEWS
    ========================= */

    .reviews-section {
      padding: 110px 0;
    }

    .reviews-top {
      display: grid;
      grid-template-columns: 0.75fr 1.25fr;
      gap: 80px;
      align-items: center;
      margin-bottom: 55px;
    }

    .review-score strong {
      font-size: 72px;
      line-height: 1;
      letter-spacing: -4px;
    }

    .review-score .stars {
      margin-top: 12px;
      font-size: 15px;
    }

    .review-score p {
      margin-top: 8px;
      color: #888;
      font-size: 11px;
    }

    .rating-bars {
      display: flex;
      flex-direction: column;
      gap: 11px;
    }

    .rating-bar {
      display: grid;
      grid-template-columns: 40px 1fr 35px;
      gap: 12px;
      align-items: center;
      font-size: 10px;
      color: #777;
    }

    .bar {
      height: 7px;
      background: #eee;
      border-radius: 999px;
      overflow: hidden;
    }

    .bar-fill {
      height: 100%;
      background: #7c3aed;
      border-radius: inherit;
    }

    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 15px;
    }

    .review-card {
      padding: 25px;
      border: 1px solid #e8e8e8;
      border-radius: 16px;
    }

    .review-card .stars {
      font-size: 10px;
    }

    .review-card h3 {
      margin-top: 17px;
      font-size: 15px;
    }

    .review-card p {
      margin-top: 10px;
      color: #777;
      font-size: 11px;
      line-height: 1.75;
    }

    .review-user {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid #eee;
      display: flex;
      justify-content: space-between;
      font-size: 10px;
    }

    .review-user strong {
      font-size: 10px;
    }

    .review-user span {
      color: #999;
    }


    /* =========================
       FAQ
    ========================= */

    .faq-section {
      padding: 110px 0;
      background: #fafafa;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 95px;
    }

    .faq-intro h2 {
      font-size: clamp(38px, 4vw, 50px);
      line-height: 1.05;
      letter-spacing: -2px;
    }

    .faq-intro p {
      color: #777;
      margin-top: 18px;
      font-size: 12px;
      line-height: 1.7;
    }

    .faq-list {
      border-top: 1px solid #ddd;
    }

    .faq-item {
      border-bottom: 1px solid #ddd;
    }

    .faq-item summary {
      min-height: 80px;
      list-style: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 25px;
      font-size: 13px;
      font-weight: 600;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border: 1px solid #ddd;
      border-radius: 50%;
      position: relative;
      flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      background: #111;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }

    .faq-icon::before {
      width: 9px;
      height: 1px;
    }

    .faq-icon::after {
      width: 1px;
      height: 9px;
    }

    .faq-item[open] .faq-icon {
      background: #111;
    }

    .faq-item[open] .faq-icon::before,
    .faq-item[open] .faq-icon::after {
      background: #fff;
    }

    .faq-item[open] .faq-icon::after {
      transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-answer {
      padding: 0 50px 25px 0;
    }

    .faq-answer p {
      color: #777;
      font-size: 11px;
      line-height: 1.8;
    }


    /* =========================
       RELATED PRODUCTS
    ========================= */

    .related-section {
      padding: 110px 0;
    }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .product-card {
      border: 1px solid #e8e8e8;
      border-radius: 18px;
      overflow: hidden;
      transition: 0.3s ease;
    }

    .product-card-link {
      cursor: pointer;
    }

    .product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 50px rgba(0,0,0,0.06);
    }

    .product-card-image {
      height: 310px;
      background: #fff;
      overflow: hidden;
      position: relative;
    }

    .product-card-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 24px 20px 14px;
      transition: transform 0.35s ease, filter 0.35s ease;
    }

    .product-card:hover img {
      transform: scale(1.015);
      filter: saturate(1.03);
    }

    .card-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 2;
      padding: 7px 10px;
      border-radius: 7px;
      background: #fff;
      font-size: 8px;
      font-weight: 700;
    }

    .product-card-content {
      padding: 22px;
    }

    .product-card-content h3 {
      font-size: 21px;
      margin-top: 10px;
    }

    .product-card-content p {
      color: #888;
      font-size: 11px;
      margin-top: 4px;
    }

    .card-specs {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .card-specs span {
      padding: 6px 8px;
      border-radius: 6px;
      background: #f6f6f6;
      font-size: 9px;
    }

    .card-footer {
      padding-top: 17px;
      margin-top: 18px;
      border-top: 1px solid #eee;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .card-footer strong {
      font-size: 17px;
    }

    .card-footer a {
      background: #111;
      color: #fff;
      padding: 9px 12px;
      border-radius: 7px;
      font-size: 9px;
      font-weight: 600;
    }


    /* =========================
       CTA
    ========================= */

    .cta-section {
      padding: 25px 0 110px;
    }

    .cta-box {
      padding: 65px;
      border-radius: 24px;
      background:
        radial-gradient(circle at 80% 40%, #3b1c64, transparent 30%),
        #101010;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }

    .cta-box .eyebrow {
      color: #c5a5ff;
    }

    .cta-box h2 {
      font-size: clamp(34px, 4vw, 48px);
      line-height: 1.05;
      letter-spacing: -2px;
    }

    .cta-box p {
      max-width: 530px;
      margin-top: 15px;
      color: #aaa;
      font-size: 12px;
      line-height: 1.7;
    }

    .cta-btn {
      background: #fff;
      color: #111;
      padding: 16px 23px;
      border-radius: 11px;
      font-size: 12px;
      font-weight: 700;
      flex-shrink: 0;
    }


    /* =========================
       FOOTER
    ========================= */

    footer {
      background: #fafafa;
      border-top: 1px solid #e7e7e7;
      padding: 70px 0 25px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 55px;
    }

    .footer-description {
      color: #888;
      max-width: 330px;
      margin-top: 16px;
      font-size: 12px;
      line-height: 1.7;
    }

    footer h4 {
      font-size: 12px;
      margin-bottom: 17px;
    }

    .footer-grid > div:not(:first-child) {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .footer-grid > div:not(:first-child) a {
      color: #777;
      font-size: 11px;
      margin-bottom: 11px;
    }

    .footer-bottom {
      margin-top: 60px;
      padding-top: 22px;
      border-top: 1px solid #e4e4e4;
      display: flex;
      justify-content: space-between;
      color: #999;
      font-size: 9px;
    }


    /* =========================
       RESPONSIVE
    ========================= */

    @media (max-width: 1000px) {

      .nav-links {
        display: none;
      }

      .product-layout {
        grid-template-columns: 1fr;
        gap: 45px;
      }

      .product-gallery {
        position: static;
      }

      .main-image {
        height: 600px;
      }

      .performance-image {
        height: 430px;
      }

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

      .fps-card:nth-child(2) {
        border-right: 0;
      }

      .fps-card:nth-child(-n + 2) {
        border-bottom: 1px solid #292929;
      }

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

      .spec-layout,
      .faq-layout {
        grid-template-columns: 1fr;
        gap: 45px;
      }

      .reviews-top {
        grid-template-columns: 1fr;
        gap: 35px;
      }

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

      .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
      }
    }


    @media (max-width: 700px) {

      .container {
        width: min(100% - 26px, 1180px);
      }

      .header {
        height: 70px;
      }

      .icon-btn {
        display: none;
      }

      .breadcrumbs {
        overflow-x: auto;
      }

      .breadcrumbs-inner {
        white-space: nowrap;
      }

      .product-main {
        padding-top: 25px;
      }

      .main-image {
        height: 440px;
        border-radius: 18px;
      }

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

      .thumbnail {
        height: 78px;
      }

      .product-info h1 {
        font-size: 46px;
      }

      .quick-specs {
        grid-template-columns: 1fr;
      }

      .option-grid {
        grid-template-columns: 1fr;
      }

      .subnav-inner {
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0 15px;
        gap: 28px;
      }

      .subnav-inner a {
        white-space: nowrap;
      }

      .performance-section,
      .features-section,
      .spec-section,
      .reviews-section,
      .faq-section,
      .related-section {
        padding: 75px 0;
      }

      .fps-grid {
        grid-template-columns: 1fr 1fr;
      }

      .fps-card strong {
        font-size: 25px;
      }

      .performance-image {
        height: 300px;
      }

      .section-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
      }

      .feature-grid,
      .review-grid,
      .product-grid {
        grid-template-columns: 1fr;
      }

      .spec-row {
        grid-template-columns: 1fr;
        gap: 5px;
      }

      .cta-box {
        padding: 40px 27px;
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-btn {
        width: 100%;
        text-align: center;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

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

      .footer-bottom {
        flex-direction: column;
        gap: 8px;
      }
    }


    @media (max-width: 430px) {

      .nav-btn {
        padding: 10px 13px;
      }

      .main-image {
        height: 380px;
      }

      .product-info h1 {
        font-size: 40px;
        letter-spacing: -2px;
      }

      .buy-row {
        grid-template-columns: 80px 1fr;
      }

      .fps-card {
        padding: 24px 10px;
      }

    }