:root {
      --ink: oklch(17% 0.026 168);
      --muted: oklch(43% 0.034 168);
      --paper: oklch(96% 0.016 130);
      --paper-strong: oklch(99% 0.009 125);
      --line: oklch(84% 0.032 135);
      --green: oklch(60% 0.17 145);
      --green-deep: oklch(39% 0.13 148);
      --green-dark: oklch(24% 0.07 155);
      --green-soft: oklch(91% 0.09 138);
      --mint: oklch(79% 0.12 160);
      --orange: oklch(70% 0.18 48);
      --orange-deep: oklch(55% 0.17 45);
      --charcoal: oklch(22% 0.035 165);
      --shadow: 0 24px 70px oklch(18% 0.05 155 / 0.14);
      --radius: 8px;
      --max: 1180px;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--ink);
      background: var(--paper);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 12%, oklch(88% 0.12 142 / 0.72), transparent 28%),
        radial-gradient(circle at 84% 8%, oklch(79% 0.13 160 / 0.52), transparent 30%),
        linear-gradient(135deg, oklch(98% 0.016 120), oklch(92% 0.055 138) 58%, oklch(95% 0.026 70));
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.3;
      background-image:
        linear-gradient(90deg, oklch(23% 0.05 155 / 0.07) 1px, transparent 1px),
        linear-gradient(0deg, oklch(23% 0.05 155 / 0.06) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, black, transparent 78%);
    }

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

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

    button,
    input {
      font: inherit;
    }

    .shell {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid oklch(82% 0.04 140 / 0.85);
      backdrop-filter: blur(14px);
      background: oklch(98% 0.016 130 / 0.9);
    }

    .topbar__inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 1000;
      text-transform: uppercase;
    }

    .brand__mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      color: oklch(99% 0.009 125);
      border-radius: 7px;
      background: linear-gradient(135deg, var(--green), var(--green-deep));
      box-shadow: 0 14px 32px oklch(60% 0.17 145 / 0.3);
    }

    .brand__mark svg,
    .nav-cta svg,
    .btn svg,
    .icon svg {
      width: 20px;
      height: 20px;
      stroke: currentColor;
      stroke-width: 2.2;
      stroke-linecap: round;
      stroke-linejoin: round;
      fill: none;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 24px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
    }

    .nav a:hover {
      color: var(--green-deep);
    }

    .nav-cta {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 16px;
      color: oklch(99% 0.009 125);
      border-radius: 7px;
      background: var(--green-dark);
      box-shadow: 0 12px 28px oklch(18% 0.05 155 / 0.18);
    }

    .hero {
      position: relative;
      padding: 56px 0 44px;
      overflow: hidden;
    }

    .hero__grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
      gap: 38px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 22px;
      color: var(--green-deep);
      font-size: 13px;
      font-weight: 1000;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 36px;
      height: 3px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 0 6px oklch(60% 0.17 145 / 0.14);
    }

    h1,
    h2,
    h3,
    p {
      margin: 0;
    }

    h1 {
      max-width: 780px;
      font-size: clamp(44px, 7.4vw, 92px);
      line-height: 0.9;
      letter-spacing: 0;
      text-wrap: balance;
    }

    .hero__lead {
      max-width: 680px;
      margin-top: 24px;
      color: var(--muted);
      font-size: clamp(18px, 2vw, 22px);
      line-height: 1.5;
    }

    .hero__lead strong {
      color: var(--ink);
      font-weight: 1000;
    }

    .hero__actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .btn {
      min-height: 54px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 0 22px;
      border: 0;
      border-radius: 7px;
      cursor: pointer;
      font-weight: 1000;
      transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn--primary {
      color: oklch(99% 0.009 125);
      background: linear-gradient(135deg, var(--green), var(--green-deep));
      box-shadow: 0 18px 40px oklch(60% 0.17 145 / 0.34);
    }

    .btn--primary:hover {
      background: linear-gradient(135deg, oklch(64% 0.18 145), oklch(34% 0.13 148));
    }

    .btn--ghost {
      color: var(--green-deep);
      background: oklch(99% 0.009 125 / 0.78);
      border: 1px solid var(--line);
    }

    .price {
      display: flex;
      align-items: baseline;
      gap: 10px;
      padding: 12px 0;
    }

    .price strong {
      color: var(--green-deep);
      font-size: clamp(34px, 4vw, 54px);
      line-height: 1;
    }

    .price span {
      color: var(--muted);
      font-weight: 900;
    }

    .hero__proof {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      max-width: 680px;
      margin-top: 30px;
    }

    .proof {
      min-height: 96px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 10px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: oklch(99% 0.009 125 / 0.72);
      box-shadow: 0 16px 40px oklch(35% 0.08 145 / 0.08);
    }

    .proof strong {
      color: var(--green-deep);
      font-size: 24px;
      line-height: 1;
    }

    .proof span {
      color: var(--muted);
      font-size: 13px;
      font-weight: 900;
      line-height: 1.25;
    }

    .product-stage {
      position: relative;
      min-height: 610px;
      display: grid;
      align-items: center;
      border: 1px solid oklch(76% 0.08 145 / 0.65);
      border-radius: var(--radius);
      background:
        radial-gradient(circle at 48% 42%, oklch(97% 0.02 120) 0 28%, transparent 29%),
        radial-gradient(circle at 50% 42%, oklch(84% 0.16 145 / 0.62), transparent 48%),
        linear-gradient(145deg, oklch(94% 0.09 140), oklch(77% 0.15 152) 48%, oklch(42% 0.12 152));
      overflow: hidden;
      box-shadow: var(--shadow);
      isolation: isolate;
    }

    .product-stage::before {
      content: "";
      position: absolute;
      inset: 24px;
      border: 1px solid oklch(99% 0.009 125 / 0.36);
      border-radius: 7px;
      pointer-events: none;
    }

    .product-stage::after {
      content: "F20";
      position: absolute;
      right: 22px;
      top: 18px;
      color: oklch(99% 0.009 125 / 0.22);
      font-size: clamp(74px, 10vw, 144px);
      font-weight: 1000;
      line-height: 1;
    }

    .stage-grid {
      position: absolute;
      inset: 0;
      z-index: 0;
      opacity: 0.28;
      background-image:
        linear-gradient(90deg, oklch(99% 0.009 125 / 0.42) 1px, transparent 1px),
        linear-gradient(0deg, oklch(99% 0.009 125 / 0.36) 1px, transparent 1px);
      background-size: 34px 34px;
      transform: perspective(700px) rotateX(58deg) translateY(120px) scale(1.45);
      transform-origin: bottom;
    }

    .energy-ring {
      position: absolute;
      z-index: 1;
      left: 50%;
      top: 45%;
      width: 370px;
      height: 370px;
      border: 1px solid oklch(99% 0.009 125 / 0.54);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      animation: ringPulse 4.8s ease-in-out infinite;
    }

    .energy-ring--b {
      width: 510px;
      height: 510px;
      border-style: dashed;
      animation-duration: 7.2s;
      animation-direction: reverse;
    }

    .charge-line {
      position: absolute;
      z-index: 1;
      left: 12%;
      right: 12%;
      bottom: 96px;
      height: 4px;
      border-radius: 999px;
      background: oklch(99% 0.009 125 / 0.25);
      overflow: hidden;
    }

    .charge-line::before {
      content: "";
      position: absolute;
      inset: 0;
      width: 42%;
      border-radius: inherit;
      background: linear-gradient(90deg, transparent, oklch(94% 0.16 145), transparent);
      animation: chargeMove 2.8s ease-in-out infinite;
    }

    .product-stage__image {
      position: relative;
      z-index: 3;
      width: min(96%, 590px);
      margin: 46px auto 18px;
      mix-blend-mode: multiply;
      filter: contrast(1.05) saturate(1.12) drop-shadow(0 36px 34px oklch(15% 0.05 155 / 0.34));
      transform-origin: 52% 54%;
      animation: productFloat 5.6s ease-in-out infinite;
      transition: opacity 180ms ease, transform 220ms ease;
    }

    .product-stage__image.is-changing {
      opacity: 0.38;
      transform: rotate(-9deg) translateY(8px) scale(0.97);
    }

    .stage-shadow {
      position: absolute;
      z-index: 2;
      left: 50%;
      bottom: 118px;
      width: min(70%, 420px);
      height: 48px;
      border-radius: 50%;
      background: oklch(17% 0.04 155 / 0.22);
      filter: blur(16px);
      transform: translateX(-50%);
      animation: shadowPulse 5.6s ease-in-out infinite;
    }

    .stage-chip {
      position: absolute;
      z-index: 4;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      color: oklch(99% 0.009 125);
      border: 1px solid oklch(99% 0.009 125 / 0.34);
      border-radius: 7px;
      background: oklch(22% 0.07 155 / 0.68);
      backdrop-filter: blur(10px);
      font-size: 13px;
      font-weight: 1000;
      box-shadow: 0 16px 34px oklch(18% 0.05 155 / 0.18);
    }

    .stage-chip--torque {
      left: 24px;
      bottom: 150px;
    }

    .stage-chip--motor {
      right: 24px;
      top: 132px;
      animation: chipFloat 4.8s ease-in-out infinite;
    }

    .stock-ribbon {
      position: absolute;
      z-index: 4;
      left: 24px;
      top: 24px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      color: oklch(99% 0.009 125);
      border-radius: 7px;
      background: oklch(40% 0.13 148 / 0.94);
      font-size: 13px;
      font-weight: 1000;
    }

    .stock-ribbon::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: oklch(91% 0.16 145);
      box-shadow: 0 0 0 5px oklch(91% 0.16 145 / 0.24);
    }

    .gallery {
      position: relative;
      z-index: 5;
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 8px;
      padding: 0 22px 22px;
    }

    .gallery button {
      aspect-ratio: 1;
      padding: 4px;
      border: 1px solid oklch(99% 0.009 125 / 0.36);
      border-radius: 6px;
      cursor: pointer;
      background: oklch(99% 0.009 125 / 0.3);
      transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
    }

    .gallery button:hover,
    .gallery button.is-active {
      border-color: oklch(99% 0.009 125);
      background: oklch(99% 0.009 125 / 0.7);
      transform: translateY(-2px);
    }

    .gallery img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      border-radius: 4px;
      background: oklch(99% 0.009 125);
      mix-blend-mode: multiply;
    }

    .section {
      padding: 76px 0;
    }

    .section--dark {
      color: oklch(96% 0.012 130);
      background:
        radial-gradient(circle at 88% 18%, oklch(55% 0.15 145 / 0.34), transparent 32%),
        linear-gradient(150deg, var(--green-dark), oklch(16% 0.045 160));
    }

    .section--green {
      background: linear-gradient(135deg, oklch(78% 0.16 145), oklch(58% 0.18 145));
    }

    .section__head {
      max-width: 760px;
      margin-bottom: 36px;
    }

    .section__head--wide {
      max-width: 920px;
    }

    .section__kicker {
      color: var(--green-deep);
      font-size: 13px;
      font-weight: 1000;
      text-transform: uppercase;
    }

    .section--dark .section__kicker {
      color: var(--mint);
    }

    h2 {
      margin-top: 12px;
      font-size: clamp(34px, 4vw, 60px);
      line-height: 0.98;
      letter-spacing: 0;
      text-wrap: balance;
    }

    .section__copy {
      margin-top: 18px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.55;
    }

    .section--dark .section__copy {
      color: oklch(82% 0.035 150);
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .benefit {
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: oklch(99% 0.009 125 / 0.74);
      box-shadow: 0 18px 50px oklch(35% 0.08 145 / 0.08);
    }

    .benefit:nth-child(2) {
      background: oklch(92% 0.08 154);
    }

    .benefit:nth-child(3) {
      background: oklch(91% 0.09 132);
    }

    .benefit:nth-child(4) {
      color: oklch(98% 0.012 130);
      border-color: transparent;
      background: linear-gradient(145deg, var(--green-dark), var(--green-deep));
    }

    .icon {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      color: var(--green-deep);
      border-radius: 7px;
      background: var(--green-soft);
    }

    .benefit:nth-child(4) .icon {
      color: oklch(99% 0.009 125);
      background: var(--orange);
    }

    .benefit h3 {
      margin-top: 20px;
      font-size: 23px;
      line-height: 1.05;
      letter-spacing: 0;
    }

    .benefit p {
      margin-top: 14px;
      color: var(--muted);
      line-height: 1.5;
    }

    .benefit:nth-child(4) p {
      color: oklch(84% 0.04 150);
    }

    .workflows {
      display: grid;
      grid-template-columns: 0.86fr 1.14fr;
      gap: 18px;
      align-items: stretch;
    }

    .photo-panel {
      min-height: 520px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background:
        radial-gradient(circle at 50% 44%, oklch(92% 0.1 145), transparent 48%),
        oklch(99% 0.009 125);
      box-shadow: var(--shadow);
    }

    .photo-panel img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      mix-blend-mode: multiply;
    }

    .workflow-list {
      display: grid;
      gap: 12px;
    }

    .workflow {
      display: grid;
      grid-template-columns: 74px 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: var(--radius);
      background: oklch(99% 0.009 125 / 0.82);
      border: 1px solid var(--line);
    }

    .workflow b {
      display: grid;
      place-items: center;
      width: 58px;
      height: 58px;
      color: oklch(99% 0.009 125);
      border-radius: 7px;
      background: var(--green);
      font-size: 18px;
    }

    .workflow h3 {
      font-size: 25px;
      line-height: 1.1;
      letter-spacing: 0;
    }

    .workflow p {
      margin-top: 8px;
      color: var(--muted);
      line-height: 1.5;
    }

    .spec-band {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border: 1px solid oklch(99% 0.009 125 / 0.16);
      border-radius: var(--radius);
      overflow: hidden;
      background: oklch(99% 0.009 125 / 0.06);
    }

    .spec {
      min-height: 156px;
      padding: 24px;
      border-right: 1px solid oklch(99% 0.009 125 / 0.12);
    }

    .spec:last-child {
      border-right: 0;
    }

    .spec strong {
      display: block;
      color: oklch(90% 0.13 145);
      font-size: clamp(34px, 5vw, 58px);
      line-height: 0.9;
    }

    .spec span {
      display: block;
      margin-top: 14px;
      color: oklch(82% 0.035 150);
      line-height: 1.35;
      font-weight: 900;
    }

    .kit {
      display: grid;
      grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1.08fr);
      gap: 24px;
      align-items: center;
    }

    .kit__image {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background:
        radial-gradient(circle at 50% 45%, oklch(92% 0.1 145), transparent 46%),
        oklch(99% 0.009 125);
      box-shadow: var(--shadow);
    }

    .kit__image img {
      mix-blend-mode: multiply;
    }

    .kit-list {
      display: grid;
      gap: 12px;
    }

    .kit-item {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: oklch(99% 0.009 125 / 0.78);
    }

    .kit-item span {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      color: oklch(99% 0.009 125);
      border-radius: 7px;
      background: var(--green);
      font-weight: 1000;
    }

    .kit-item h3 {
      font-size: 21px;
      line-height: 1.1;
      letter-spacing: 0;
    }

    .kit-item p {
      margin-top: 5px;
      color: var(--muted);
    }

    .compare {
      display: grid;
      grid-template-columns: 0.88fr 1.12fr;
      gap: 28px;
      align-items: center;
    }

    .compare__rail {
      display: grid;
      gap: 12px;
    }

    .compare-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      border-radius: var(--radius);
      border: 1px solid oklch(99% 0.009 125 / 0.16);
      background: oklch(99% 0.009 125 / 0.07);
    }

    .compare-item strong {
      font-size: 20px;
    }

    .compare-item span {
      color: oklch(82% 0.035 150);
      text-align: right;
      line-height: 1.35;
    }

    .trust-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 20px;
      align-items: stretch;
    }

    .order-box {
      padding: 28px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: oklch(99% 0.009 125);
      box-shadow: var(--shadow);
    }

    .order-box h3 {
      font-size: clamp(28px, 3vw, 40px);
      line-height: 1;
      letter-spacing: 0;
    }

    .order-box p {
      margin-top: 12px;
      color: var(--muted);
      line-height: 1.5;
    }

    .form {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .form label {
      display: grid;
      gap: 7px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 1000;
      text-transform: uppercase;
    }

    .form input {
      width: 100%;
      min-height: 54px;
      padding: 0 16px;
      color: var(--ink);
      border: 1px solid var(--line);
      border-radius: 7px;
      background: oklch(97% 0.018 130);
      outline: none;
    }

    .form input:focus {
      border-color: var(--green);
      box-shadow: 0 0 0 4px oklch(60% 0.17 145 / 0.14);
    }

    .form__status {
      min-height: 22px;
      color: var(--green-deep);
      font-weight: 1000;
    }

    .trust-list {
      display: grid;
      gap: 12px;
    }

    .trust {
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: oklch(99% 0.009 125 / 0.72);
    }

    .trust h3 {
      font-size: 22px;
      letter-spacing: 0;
    }

    .trust p {
      margin-top: 8px;
      color: var(--muted);
      line-height: 1.48;
    }

    .faq {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    details {
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: oklch(99% 0.009 125 / 0.76);
    }

    summary {
      cursor: pointer;
      font-size: 20px;
      font-weight: 1000;
      letter-spacing: 0;
    }

    details p {
      margin-top: 12px;
      color: var(--muted);
      line-height: 1.5;
    }

    .final-cta {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
      padding: 36px;
      border-radius: var(--radius);
      background: oklch(99% 0.009 125 / 0.82);
      box-shadow: var(--shadow);
    }

    .final-cta h2 {
      margin: 0;
      color: var(--ink);
    }

    .final-cta p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.45;
    }

    .mobile-bar {
      display: none;
      position: fixed;
      z-index: 40;
      left: 10px;
      right: 10px;
      bottom: 10px;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 10px;
      border: 1px solid oklch(99% 0.009 125 / 0.26);
      border-radius: 8px;
      background: oklch(22% 0.07 155 / 0.95);
      box-shadow: 0 18px 50px oklch(12% 0.04 155 / 0.36);
    }

    .mobile-bar strong {
      display: block;
      color: oklch(99% 0.009 125);
      font-size: 20px;
      line-height: 1;
    }

    .mobile-bar span {
      color: oklch(82% 0.035 150);
      font-size: 12px;
      font-weight: 900;
    }

    @keyframes productFloat {
      0%, 100% {
        transform: rotate(-4deg) translateY(0) scale(1);
      }

      50% {
        transform: rotate(-1.4deg) translateY(-18px) scale(1.018);
      }
    }

    @keyframes shadowPulse {
      0%, 100% {
        opacity: 0.72;
        transform: translateX(-50%) scaleX(1);
      }

      50% {
        opacity: 0.42;
        transform: translateX(-50%) scaleX(0.82);
      }
    }

    @keyframes ringPulse {
      0%, 100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) rotate(0deg) scale(0.96);
      }

      50% {
        opacity: 0.9;
        transform: translate(-50%, -50%) rotate(16deg) scale(1.04);
      }
    }

    @keyframes chargeMove {
      0% {
        transform: translateX(-110%);
      }

      100% {
        transform: translateX(260%);
      }
    }

    @keyframes chipFloat {
      0%, 100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-9px);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
      }
    }

    @media (max-width: 980px) {
      .nav {
        display: none;
      }

      .hero {
        padding-top: 34px;
      }

      .hero__grid,
      .workflows,
      .kit,
      .compare,
      .trust-grid {
        grid-template-columns: 1fr;
      }

      .product-stage {
        min-height: 540px;
      }

      .benefit-grid,
      .spec-band,
      .faq {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .spec:nth-child(1),
      .spec:nth-child(2) {
        border-bottom: 1px solid oklch(99% 0.009 125 / 0.12);
      }

      .final-cta {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 620px) {
      .shell {
        width: min(100% - 24px, var(--max));
      }

      .topbar__inner {
        min-height: 62px;
      }

      .brand span {
        font-size: 14px;
      }

      .nav-cta {
        min-height: 38px;
        padding: 0 12px;
        font-size: 13px;
      }

      .hero__proof,
      .benefit-grid,
      .spec-band,
      .faq {
        grid-template-columns: 1fr;
      }

      .hero__actions {
        align-items: stretch;
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .price {
        justify-content: center;
      }

      .product-stage {
        min-height: 480px;
      }

      .product-stage__image {
        width: min(99%, 440px);
        margin-top: 66px;
      }

      .energy-ring {
        width: 300px;
        height: 300px;
      }

      .energy-ring--b {
        width: 420px;
        height: 420px;
      }

      .stage-chip {
        font-size: 12px;
      }

      .stage-chip--torque {
        left: 14px;
        bottom: 142px;
      }

      .stage-chip--motor {
        right: 14px;
        top: 108px;
      }

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

      .section {
        padding: 54px 0;
      }

      .photo-panel {
        min-height: 360px;
      }

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

      .spec,
      .spec:nth-child(1),
      .spec:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid oklch(99% 0.009 125 / 0.12);
      }

      .spec:last-child {
        border-bottom: 0;
      }

      .kit__image {
        padding: 12px;
      }

      .final-cta,
      .order-box {
        padding: 22px;
      }

      .mobile-bar {
        display: flex;
      }

      .mobile-bar .btn {
        width: auto;
        min-height: 46px;
        padding-inline: 16px;
        white-space: nowrap;
      }

      body {
        padding-bottom: 88px;
      }
    }

.site-footer {
  padding: 28px 0;
  color: oklch(82% 0.035 150);
  background: var(--green-dark);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-footer strong {
  color: oklch(99% 0.009 125);
  font-weight: 1000;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-weight: 900;
}

.site-footer a:hover {
  color: oklch(99% 0.009 125);
}

.legal-page {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 72px 0;
}

.legal-page__content {
  max-width: 850px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: oklch(99% 0.009 125 / 0.82);
  box-shadow: var(--shadow);
}

.legal-page h1 {
  margin-top: 12px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 0.96;
  letter-spacing: 0;
}

.legal-page p {
  max-width: 70ch;
  margin-top: 18px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.legal-page .btn {
  margin-top: 26px;
}

@media (max-width: 620px) {
  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer nav {
    justify-content: flex-start;
  }

  .legal-page__content {
    padding: 22px;
  }
}