.tune-main {
  overflow: hidden;
}

.tune-main h1,
.tune-main h2,
.tune-main h3,
.tune-main p {
  text-wrap: balance;
}

.tune-hero {
  max-width: 1240px;
  min-height: 620px;
  margin: 0 auto;
  padding: 90px max(24px, 4vw) 70px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.65fr);
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
  position: relative;
}

.tune-hero::before {
  content: "";
  width: 430px;
  height: 430px;
  position: absolute;
  right: -180px;
  top: 50px;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}

.tune-eyebrow,
.tune-kicker,
.tune-proof,
.tune-card small,
.tune-step > span,
.tune-spec small {
  font: 700 11px/1.5 var(--font-mono, var(--mono));
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tune-eyebrow,
.tune-kicker,
.tune-card small,
.tune-step > span {
  color: var(--red);
}

.tune-hero h1 {
  max-width: 780px;
  margin: 20px 0 24px;
  font-size: clamp(48px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 650;
}

.tune-hero-copy > p {
  max-width: 650px;
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: #545651;
}

.tune-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.tune-button {
  min-height: 46px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font: 700 11px var(--font-mono, var(--mono));
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.tune-button.primary {
  background: var(--ink);
  color: var(--white);
}

.tune-button:hover,
.tune-button:focus-visible {
  transform: translateY(-2px);
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.tune-button:active {
  transform: translateY(0);
}

.tune-hero-panel {
  padding: 34px;
  background: var(--ink);
  color: var(--white);
  position: relative;
  z-index: 1;
}

.tune-hero-panel > small {
  font: 11px var(--font-mono, var(--mono));
  color: #969893;
  text-transform: uppercase;
}

.tune-hero-panel h2 {
  margin: 16px 0 28px;
  font-size: 28px;
  line-height: 1.15;
}

.tune-spec {
  padding: 16px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  border-top: 1px solid #343633;
}

.tune-spec small {
  color: #838580;
}

.tune-spec strong {
  font-size: 11px;
  text-align: right;
}

.tune-proof {
  min-height: 64px;
  padding: 0 max(24px, 4vw);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(18px, 5vw, 70px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  margin: 0;
  list-style: none;
}

.tune-jump {
  max-width: 1240px;
  margin: 28px auto 0;
  padding: 0 max(24px, 4vw);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tune-jump a {
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: var(--white);
  font: 700 11px/1 var(--font-mono, var(--mono));
  text-transform: uppercase;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.tune-jump a:hover {
  border-color: var(--red);
  color: var(--red);
}

.tune-motion-banner {
  max-width: 1240px;
  margin: 46px auto 0;
  padding: 0 max(24px, 4vw);
}

.tune-motion-media {
  height: clamp(250px, 19vw, 270px);
  display: block;
  overflow: hidden;
  background: var(--paper);
}

.tune-motion-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 58%;
}

.tune-motion-banner figcaption {
  min-height: 42px;
  padding: 12px 0 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono, var(--mono));
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.tune-motion-banner figcaption span {
  color: var(--red);
  font-size: 11px;
  font-weight: 700;
}

.tune-motion-banner figcaption small {
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.tune-proof li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 9px;
  display: inline-block;
  background: var(--red);
}

.tune-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 82px max(24px, 4vw);
}

.tune-anchor-alias {
  display: block;
  scroll-margin-top: 92px;
}

.tune-section-head {
  margin-bottom: 42px;
  display: grid;
  grid-template-columns: 0.35fr 1fr 0.7fr;
  gap: 36px;
  align-items: start;
}

.tune-section-head h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.tune-section-head p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.tune-benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.tune-card {
  min-height: 260px;
  padding: 28px;
  background: var(--white);
}

.tune-card h3 {
  margin: 70px 0 12px;
  font-size: 21px;
}

.tune-card p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.tune-limit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.tune-limit-card {
  min-height: 215px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  background: var(--white);
}

.tune-limit-card small {
  color: var(--red);
  font: 700 11px/1.5 var(--font-mono, var(--mono));
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tune-limit-card strong {
  margin-top: auto;
  font-size: 25px;
  line-height: 1.1;
}

.tune-limit-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.tune-torque-note {
  margin-top: 1px;
  padding: 32px;
  display: grid;
  grid-template-columns: 0.45fr 1fr;
  gap: 45px;
  background: var(--red);
  color: var(--white);
}

.tune-torque-note h3 {
  margin: 0;
  font-size: 25px;
}

.tune-torque-note p {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
}

.tune-calibration {
  background: #181918;
  color: #efefec;
}

.tune-calibration-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 95px max(24px, 4vw);
}

.tune-calibration .tune-section-head p {
  color: #999b96;
}

.tune-calibration .tune-kicker,
.tune-calibration .tune-change > span {
  color: var(--red-on-dark);
}

.tune-change-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #3a3b38;
}

.tune-change {
  min-height: 150px;
  padding: 25px 25px 25px 0;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  border-bottom: 1px solid #3a3b38;
}

.tune-change:nth-child(odd) {
  border-right: 1px solid #3a3b38;
}

.tune-change:nth-child(even) {
  padding-left: 25px;
}

.tune-change > span {
  color: var(--red);
  font: 10px var(--font-mono, var(--mono));
}

.tune-change h3 {
  margin: 0 0 9px;
  font-size: 18px;
}

.tune-change p {
  margin: 0;
  color: #999b96;
  font-size: 11px;
  line-height: 1.65;
}

.tune-process {
  border-top: 1px solid var(--line);
}

.tune-package-note {
  margin-top: 24px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: minmax(160px, 0.35fr) 1fr;
  gap: 30px;
  border-left: 2px solid var(--red);
  background: #eeefec;
}

.tune-package-note strong {
  color: var(--red);
  font: 700 10px/1.5 var(--font-mono, var(--mono));
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tune-package-note p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.tune-feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.tune-feedback-card {
  min-height: 205px;
  margin: 0;
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  background: var(--white);
}

.tune-feedback-card::before {
  content: "“";
  color: var(--red);
  font: 44px/0.8 Georgia, serif;
}

.tune-feedback-card p {
  margin: 16px 0 24px;
  font-size: 13px;
  line-height: 1.55;
}

.tune-feedback-card footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted);
  font: 700 8px/1.5 var(--font-mono, var(--mono));
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tune-feedback-action {
  margin-top: 24px;
}

.tune-step {
  min-height: 125px;
  padding: 25px 0;
  display: grid;
  grid-template-columns: 70px 0.65fr 1fr;
  gap: 25px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.tune-step h3 {
  margin: 0;
  font-size: 21px;
}

.tune-step p {
  max-width: 630px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.tune-requirements {
  max-width: 1240px;
  margin: 0 auto 100px;
  padding: 48px max(24px, 4vw);
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 65px;
  background: var(--red);
  color: var(--white);
}

.tune-requirements h2 {
  margin: 12px 0 0;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.tune-requirements-intro > p {
  max-width: 480px;
  margin: 20px 0 0;
  color: rgb(255 255 255 / 82%);
  font-size: 13px;
  line-height: 1.7;
}

.tune-requirements .tune-actions {
  margin-top: 26px;
}

.tune-requirements .tune-button {
  border-color: var(--white);
  color: var(--white);
}

.tune-requirements .tune-button.primary {
  border-color: var(--ink);
  background: var(--ink);
}

.tune-requirements .tune-button:hover,
.tune-requirements .tune-button:focus-visible {
  border-color: var(--white);
  background: var(--white);
  color: var(--red);
}

.tune-requirements .tune-kicker {
  color: var(--white);
}

.tune-requirement-list {
  border-top: 1px solid rgba(255, 255, 255, 0.35);
}

.tune-requirement-list p {
  margin: 0;
  padding: 15px 0;
  display: grid;
  grid-template-columns: 34px 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 12px;
  line-height: 1.5;
}

.tune-requirement-list span {
  font: 11px var(--font-mono, var(--mono));
}

.tune-disclaimer {
  max-width: none;
  margin: 24px 0 0;
  padding-top: 20px;
  grid-column: 1 / -1;
  border-top: 1px solid rgb(255 255 255 / 35%);
  font: 11px/1.7 var(--font-mono, var(--mono));
  color: rgb(255 255 255 / 76%);
}

.tune-disclaimer a {
  color: var(--white);
  border-bottom: 1px solid var(--white);
}

@media (max-width: 900px) {
  .tune-hero,
  .tune-section-head,
  .tune-requirements {
    grid-template-columns: 1fr;
  }

  .tune-hero {
    min-height: auto;
  }

  .tune-hero-panel {
    max-width: 620px;
  }

  .tune-section-head p {
    max-width: 620px;
  }

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

  .tune-package-note {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

  .tune-feedback-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .tune-hero {
    padding-top: 60px;
  }

  .tune-hero h1 {
    font-size: 48px;
  }

  .tune-proof {
    padding-top: 18px;
    padding-bottom: 18px;
    justify-content: flex-start;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .tune-motion-banner {
    margin-top: 32px;
  }

  .tune-motion-media img {
    min-height: 0;
    object-position: center 56%;
  }

  .tune-motion-media {
    height: 205px;
  }

  .tune-motion-banner figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .tune-motion-banner figcaption small {
    text-align: left;
  }

  .tune-section,
  .tune-calibration-inner {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .tune-benefits,
  .tune-change-list,
  .tune-limit-grid,
  .tune-torque-note {
    grid-template-columns: 1fr;
  }

  .tune-card {
    min-height: 210px;
  }

  .tune-card h3 {
    margin-top: 45px;
  }

  .tune-change,
  .tune-change:nth-child(even) {
    padding-left: 0;
    border-right: 0;
  }

  .tune-step {
    grid-template-columns: 38px 1fr;
  }

  .tune-step p {
    grid-column: 2;
  }

  .tune-requirements {
    margin-bottom: 75px;
  }
}