:root {
  --canvas: #f5f7fb;
  --surface: #fbfcff;
  --ink: #17213a;
  --navy: #17213a;
  --muted: #5d6980;
  --rule: #d9e0ec;
  --accent: #3855c9;
  --accent-soft: #e8edff;
  --success: #147a62;
  --error: #b4234b;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--canvas); }

.tracklift-body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
}

a { color: inherit; text-underline-offset: 0.2em; }

.wrap { width: min(100% - 2.5rem, 70rem); margin-inline: auto; }

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  color: var(--surface);
  background: var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.tracklift-header {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.tracklift-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 760;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.tracklift-app-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.7rem;
  box-shadow: 0 0.45rem 1.1rem rgb(23 33 58 / 0.14);
}

.tracklift-header nav,
.tracklift-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.tracklift-header nav a { text-decoration: none; }
.tracklift-header nav a:hover,
.tracklift-header nav a[aria-current="page"] { color: var(--accent); }

.hero-shell {
  overflow: clip;
  color: #f4f6ff;
  background: var(--navy);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(15rem, 0.75fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  align-items: center;
  min-height: 43rem;
  padding-top: clamp(4.5rem, 9vw, 7rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }

h1, h2 { letter-spacing: -0.05em; line-height: 1.03; }

h1 {
  max-width: 8.5ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3.1rem, 8.5vw, 6.4rem);
}

h2 { font-size: clamp(2rem, 4.2vw, 3.5rem); }

.hero .eyebrow { color: #b7c4ff; }

.lede {
  max-width: 29rem;
  margin-bottom: 1.75rem;
  color: #d0d8ee;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.button,
button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0.72rem;
  padding: 0.75rem 1rem;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease-out, background-color 160ms ease-out, border-color 160ms ease-out;
}

.button.primary,
button { color: #f8faff; background: var(--accent); }

.hero .button.primary { color: var(--navy); background: #f4f6ff; }
.hero .button.secondary { border-color: rgb(244 246 255 / 0.35); color: #f4f6ff; }
.button:hover,
button:hover:not(:disabled) { transform: translateY(-2px); }

.quiet-promise { margin: 1.15rem 0 0; color: #bac6e3; font-size: 0.9rem; }

.device-frame {
  margin: 0;
  padding: 0.38rem;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 0.18);
  border-radius: 2.6rem;
  background: #070b15;
  box-shadow: 0 2rem 4.5rem rgb(3 7 20 / 0.32);
}

.device-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2.22rem;
}

.hero-device {
  justify-self: end;
  width: min(100%, 19rem);
  margin-bottom: -5rem;
}

.app-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(15rem, 0.75fr);
  gap: clamp(2.5rem, 11vw, 9rem);
  align-items: center;
  padding-block: clamp(5.5rem, 12vw, 10rem);
}

.showcase-copy h2 { max-width: 10ch; margin-bottom: 1rem; }

.showcase-copy p:not(.eyebrow) {
  max-width: 29rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.text-link { color: var(--accent); font-weight: 700; }

.results-device {
  justify-self: end;
  width: min(100%, 19.5rem);
  border-color: var(--rule);
  box-shadow: 0 1.8rem 4.5rem rgb(23 33 58 / 0.16);
}

.workflow {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(18rem, 1fr);
  gap: clamp(2.5rem, 9vw, 8rem);
  padding-block: clamp(4.5rem, 9vw, 7rem);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.workflow-heading h2 { max-width: 10ch; margin-bottom: 0; }

.workflow ol { margin: 0; padding: 0; list-style: none; }

.workflow li {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--rule);
}

.workflow li:last-child { border-bottom: 1px solid var(--rule); }
.workflow li > span { color: var(--accent); font-variant-numeric: tabular-nums; }
.workflow b { display: block; margin-bottom: 0.18rem; font-size: 1.07rem; }
.workflow li p { margin: 0; color: var(--muted); }

.purchase-band { border-bottom: 1px solid var(--rule); background: var(--surface); }

.purchase {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(18rem, 0.75fr);
  gap: clamp(2.5rem, 9vw, 8rem);
  align-items: end;
  padding-block: clamp(4.5rem, 9vw, 7rem);
}

.purchase h2 { max-width: 12ch; margin-bottom: 0; }
.purchase > p { max-width: 24rem; margin: 0; color: var(--muted); font-size: 1.12rem; }

.privacy-callout {
  margin-block: clamp(4.5rem, 10vw, 8rem);
  padding: clamp(2rem, 6vw, 4rem);
  border-radius: 1.25rem;
  background: var(--accent);
  color: #f6f8ff;
}

.privacy-callout .eyebrow { color: #dfe5ff; }
.privacy-callout h2 { max-width: 12ch; margin-bottom: 1rem; }
.privacy-callout p { max-width: 36rem; margin-bottom: 1.25rem; color: #edf0ff; font-size: 1.08rem; }
.privacy-callout .text-link { color: inherit; }

.contact-section { padding-block: clamp(5rem, 10vw, 8rem); }
.contact-copy { max-width: 38rem; margin-bottom: 2.25rem; }
.contact-copy h2 { max-width: 14ch; margin-bottom: 0.8rem; }
.contact-copy p:last-child { color: var(--muted); }

form { display: grid; gap: 1rem; max-width: 45rem; }
.field-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.field { display: grid; gap: 0.4rem; }
label { font-size: 0.9rem; font-weight: 650; }
label span { color: var(--muted); font-weight: 400; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: 0.72rem;
  padding: 0.82rem 0.9rem;
  color: var(--ink);
  background: var(--surface);
  font: inherit;
  line-height: 1.4;
}

textarea { min-height: 9.5rem; resize: vertical; }
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--error); }
.field-error { min-height: 1em; margin: 0; color: var(--error); font-size: 0.8rem; }
.bot-field { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip-path: inset(100%) !important; white-space: nowrap !important; }
.contact-actions { display: grid; grid-template-columns: max-content 1fr; align-items: center; gap: 1rem; margin-top: 0.3rem; }
button { border: 0; cursor: pointer; }
button:disabled { cursor: wait; opacity: 0.58; }
.form-status { margin: 0; color: var(--muted); font-size: 0.86rem; }
.form-status[data-kind="error"] { color: var(--error); }
.form-status[data-kind="success"] { color: var(--success); }
.noscript { color: var(--muted); font-size: 0.9rem; }

.policy-main { max-width: 48rem; padding-block: clamp(4rem, 9vw, 7rem); }
.policy-main h1 { max-width: 13ch; margin-bottom: 1.25rem; font-size: clamp(2.8rem, 7vw, 5rem); }
.policy-lede { max-width: 40rem; color: var(--muted); font-size: 1.15rem; }
.policy-main section { margin-top: 3rem; }
.policy-main h2 { margin-bottom: 0.8rem; font-size: 1.55rem; letter-spacing: -0.035em; }
.policy-main p, .policy-main li { color: var(--muted); }
.policy-main ul { padding-left: 1.2rem; }
.policy-main li { margin-block: 0.5rem; }
.policy-main a { color: var(--accent); }

.tracklift-footer { padding-block: 2rem 2.75rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.9rem; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

@media (max-width: 48rem) {
  .tracklift-header { align-items: flex-start; flex-direction: column; padding-top: 1.5rem; }
  .hero, .app-showcase, .workflow, .purchase { grid-template-columns: 1fr; }
  .hero { min-height: 0; padding-top: 4rem; }
  .hero-device { justify-self: center; width: min(100%, 17rem); margin: 1rem auto -3rem; }
  .app-showcase { gap: 3rem; padding-block: 6rem; }
  .results-device { justify-self: center; width: min(100%, 18rem); }
  .showcase-copy h2, .workflow-heading h2, .purchase h2, .privacy-callout h2 { max-width: 13ch; }
  .workflow, .purchase { gap: 2.5rem; }
}

@media (max-width: 34rem) {
  .wrap { width: min(100% - 1.5rem, 70rem); }
  .tracklift-header nav { gap: 0.75rem 1rem; }
  .field-row, .contact-actions { grid-template-columns: 1fr; }
  .contact-actions button { width: 100%; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0e1526;
    --surface: #151f34;
    --ink: #e8edf8;
    --navy: #090f20;
    --muted: #b7c1d5;
    --rule: #2b3851;
    --accent: #9baaff;
    --accent-soft: #202d52;
    --success: #54d3b1;
    --error: #ff91b3;
  }

  .hero .button.primary { color: #111a30; }
  .privacy-callout { color: #101733; }
  .privacy-callout .eyebrow { color: #243463; }
  .privacy-callout p { color: #182346; }
  .results-device { border-color: var(--rule); }
}

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