:root {
  --paper: #f7f8f4;
  --ink: #142f83;
  --coral: #ff635d;
  --powder: #dce7ff;
  --night: #0d1c4b;
  --quiet: #526078;
  color: var(--night);
  background: var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-synthesis: none;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body { margin: 0; overflow-x: hidden; }
main { position: relative; isolation: isolate; }
main > section { position: relative; z-index: 1; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
p { max-width: 66ch; line-height: 1.58; }

h1, h2 {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Roboto Condensed", sans-serif;
  font-weight: 800;
  letter-spacing: -.035em;
}

a:focus-visible, input:focus-visible {
  outline: 4px solid var(--coral);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  background: white;
  color: var(--ink);
  font-weight: 800;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.masthead, main, footer { max-width: 1480px; margin-inline: auto; }
.masthead {
  min-height: 88px;
  padding: 24px 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
}
.wordmark {
  color: var(--night);
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -.075em;
  line-height: 1;
  text-decoration: none;
}
.wordmark span { color: var(--coral); }
.masthead p { display: flex; gap: 9px; align-items: center; color: var(--ink); font-size: 13px; font-weight: 700; }
.masthead p span { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(280px, .75fr);
  gap: clamp(40px, 7vw, 110px);
  align-items: end;
  padding: 36px 42px 48px;
}
.hero h1 {
  max-width: 8.5ch;
  color: var(--ink);
  font-size: clamp(76px, 10.5vw, 156px);
  line-height: .82;
  text-wrap: balance;
}
.hero-intro { padding-bottom: 10px; }
.hero-intro > p { margin-bottom: 30px; font-size: clamp(18px, 1.6vw, 24px); line-height: 1.42; }
.hero-intro small { display: block; margin-top: 18px; color: var(--quiet); font-size: 12px; line-height: 1.45; }

.progress-thread {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.progress-thread path { fill: none; vector-effect: non-scaling-stroke; }
.progress-thread-track { stroke: rgba(20, 47, 131, .08); stroke-width: 5; }
.progress-thread-line {
  stroke: var(--coral);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: calc(1 - var(--thread-progress, 0));
}

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  padding: 16px 25px;
  border: 2px solid var(--night);
  border-radius: 999px;
  background: var(--coral);
  box-shadow: 5px 5px 0 var(--night);
  color: var(--night);
  font-weight: 900;
  text-decoration: none;
}
.button:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 var(--night); }
.button.small { min-height: 44px; padding: 10px 16px; font-size: 13px; }

.trust {
  display: grid;
  grid-template-columns: 1fr 1.18fr;
  border-block: 2px solid var(--night);
  background: var(--powder);
}
.trust > div { padding: clamp(34px, 5vw, 68px) 42px; }
.trust-proof { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: start; }
.trust-privacy { display: grid; grid-template-columns: auto 1fr; gap: 22px; color: white; background: var(--night); }
.trust-symbol, .trust .privacy-mark {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  color: var(--coral);
  font-family: Arial, sans-serif;
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}
.trust h2 { color: var(--ink); font-size: clamp(32px, 3.8vw, 56px); line-height: .94; }
.trust-privacy h2 { color: white; }
.trust p:not(.trust-symbol, .privacy-mark) { margin-top: 15px; font-size: 15px; }
.trust-privacy p:not(.privacy-mark) { color: #d8e0ff; }
.trust .local-note { font-size: 12px !important; color: #aebde9 !important; }
.trust a { color: white; font-weight: 800; text-underline-offset: 4px; }

.compression {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 6vw, 90px);
  padding: clamp(64px, 8vw, 110px) 42px;
  background: var(--coral);
  border-bottom: 2px solid var(--night);
}
.compression h2, .recording h2, .research h2 {
  font-size: clamp(48px, 6.4vw, 92px);
  line-height: .93;
  text-wrap: balance;
}
.compression-copy p { margin-top: 28px; font-size: 18px; }
.time-lab {
  align-self: center;
  margin: 0;
  padding: 0 0 0 clamp(0px, 4vw, 58px);
  border-left: 2px solid var(--night);
  list-style: none;
}
.lab-step { display: grid; grid-template-columns: minmax(140px, .72fr) minmax(0, 1fr); column-gap: 20px; padding: 20px 0 25px; border-bottom: 2px solid var(--night); }
.lab-step:first-child { padding-top: 0; }
.step-heading { display: flex; gap: 12px; align-items: center; align-self: start; }
.step-heading > span {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  place-items: center;
  border: 2px solid var(--night);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 900;
}
.step-heading label { font-weight: 900; line-height: 1.15; }
.choice-readout { display: flex; align-items: baseline; gap: 8px; }
.choice-readout strong { font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-size: clamp(54px, 7vw, 92px); line-height: .75; letter-spacing: -.02em; }
.choice-readout small { font-size: 12px; font-weight: 900; }
.time-lab input { grid-column: 1 / -1; width: 100%; height: 30px; margin: 16px 0 0; accent-color: var(--ink); cursor: ew-resize; }
.range-labels { display: flex; justify-content: space-between; font-size: 11px; font-weight: 800; }
.lab-step .range-labels { grid-column: 1 / -1; }
.lab-result { display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 24px 0 20px; }
.done-mark { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 50%; background: var(--night); color: white; font-size: 25px; font-weight: 900; }
.lab-result div { display: flex; min-width: 0; flex-direction: column; gap: 5px; }
.lab-result small { font-size: 11px; font-weight: 900; }
.lab-result strong { max-width: 28ch; font-size: clamp(21px, 2.3vw, 32px); line-height: 1.03; }
.lab-result p { font-size: 13px; font-weight: 800; }
.lab-action { display: flex; align-items: center; gap: 18px; }
.lab-action > small { max-width: 19ch; font-size: 11px; line-height: 1.35; }

.recording {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 410px);
  gap: clamp(60px, 10vw, 160px);
  align-items: center;
  padding: clamp(76px, 10vw, 145px) clamp(42px, 8vw, 120px);
}
.recording-copy > p { margin-top: 28px; font-size: 19px; }
.recording dl { margin-top: 45px; border-top: 2px solid var(--ink); }
.recording dl div { display: grid; grid-template-columns: 92px 1fr; gap: 20px; padding: 18px 0; border-bottom: 2px solid var(--ink); }
.recording dt { color: var(--ink); font-size: 19px; font-weight: 900; }
.recording dd { line-height: 1.5; }
.recording .platform-note { margin-top: 22px; color: var(--quiet); font-size: 12px; line-height: 1.5; }
.product-frame { justify-self: center; width: min(100%, 360px); }
.product-frame img { border: 4px solid var(--night); border-radius: 34px; box-shadow: 18px 18px 0 var(--powder); }
.product-frame figcaption { margin: 26px 0 0 18px; color: var(--quiet); font-size: 11px; }

.research {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(45px, 9vw, 135px);
  padding: clamp(75px, 10vw, 145px) 42px;
}
.research h2 { color: var(--ink); }
.research > div > p { font-size: 18px; }
.research .boundary { margin-top: 22px; padding-left: 18px; border-left: 4px solid var(--coral); color: var(--quiet); font-size: 14px; }
.research .sources { display: flex; flex-wrap: wrap; gap: 12px 25px; margin-top: 30px; font-size: 13px; font-weight: 800; }
.research a { color: var(--ink); text-underline-offset: 4px; }

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  align-items: center;
  padding: 30px 42px;
  border-top: 2px solid var(--ink);
  font-size: 13px;
}
footer p { color: var(--quiet); }
footer a { color: var(--ink); font-weight: 800; text-underline-offset: 4px; }

/* Launch asset page keeps its existing downloadable artboards. */
.press { padding: 35px 24px; max-width: none; }
.press h1 { color: var(--ink); font-size: 55px; line-height: 1; }
.press > p { margin: 18px 0; }
.downloads { display: flex; gap: 12px; flex-wrap: wrap; margin: 25px 0; }
.artboards { overflow: auto; display: grid; gap: 30px; padding-bottom: 20px; }

@media (max-width: 820px) {
  .masthead { min-height: 70px; padding: 19px 22px; }
  .hero, .trust, .compression, .recording, .research { grid-template-columns: 1fr; }
  .hero { padding: 28px 22px 44px; gap: 28px; }
  .hero h1 { max-width: 9ch; font-size: clamp(64px, 18vw, 112px); }
  .hero-intro { max-width: 520px; }
  .trust > div { padding: 34px 22px; }
  .compression, .research { padding-inline: 22px; }
  .time-lab { padding: 38px 0 0; border-top: 2px solid var(--night); border-left: 0; }
  .recording { padding-inline: 22px; }
  .product-frame { width: min(76vw, 340px); }
  footer { grid-template-columns: 1fr auto; padding: 24px 22px; }
  footer p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 420px) {
  .masthead p { font-size: 11px; }
  .hero h1 { font-size: clamp(58px, 19vw, 80px); }
  .compression h2, .recording h2, .research h2 { font-size: 50px; }
  .trust > div { grid-template-columns: 44px 1fr; gap: 14px; }
  .trust-symbol, .trust .privacy-mark { width: 44px; height: 44px; font-size: 25px; }
  .lab-step { grid-template-columns: 1fr auto; gap: 14px; }
  .choice-readout strong { font-size: 53px; }
  .choice-readout small { max-width: 46px; }
  .lab-action { align-items: flex-start; flex-direction: column; }
  .lab-action > small { max-width: none; }
  .recording dl div { grid-template-columns: 72px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .progress-thread-line { stroke-dashoffset: 0; }
}

.closing-cta { display:flex; align-items:center; justify-content:space-between; gap:28px; padding:42px; background:var(--powder); border-top:2px solid var(--ink); }
.closing-cta h2 { font-size:clamp(36px,4vw,58px); line-height:1; color:var(--ink); }
.closing-cta .button { flex-shrink:0; }
@media(max-width:820px) { .closing-cta { flex-direction:column; align-items:flex-start; padding:32px 22px; } }

/* Keep the drawn thread in the surrounding space, clear of foreground copy. */
.hero-title, .hero-intro, .recording-copy, .research > h2, .research > div { background:var(--paper); box-shadow:0 0 0 8px var(--paper); }