:root {
  --challenge-canvas: #050505;
  --challenge-surface: #0d0d0d;
  --challenge-surface-raised: #151515;
  --challenge-line: rgba(255, 255, 255, 0.1);
  --challenge-line-strong: rgba(255, 255, 255, 0.18);
  --challenge-text: #f5f5f5;
  --challenge-muted: #a1a1aa;
  --challenge-green: #4ade80;
  --challenge-green-light: #86efac;
  --challenge-orange: #f97316;
  --challenge-font-display: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;
  --challenge-font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--challenge-canvas);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 5%, rgba(74, 222, 128, 0.13), transparent 30rem),
    radial-gradient(circle at 88% 36%, rgba(249, 115, 22, 0.06), transparent 34rem),
    var(--challenge-canvas);
  color: var(--challenge-text);
  font-family: var(--challenge-font-body);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

a {
  color: inherit;
}

main {
  display: block;
}

.challenge-container {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.challenge-hero {
  min-height: 760px;
  padding: 154px 0 96px;
  display: grid;
  align-items: center;
}

.challenge-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: clamp(48px, 8vw, 104px);
  align-items: center;
}

.challenge-kicker,
.challenge-section-kicker,
.challenge-card-label {
  color: var(--challenge-green-light);
  font-family: var(--challenge-font-body);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.challenge-kicker {
  width: fit-content;
  margin-bottom: 24px;
  padding: 10px 14px;
  border: 1px solid rgba(74, 222, 128, 0.24);
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.08);
}

.challenge-hero h1 {
  max-width: 780px;
  margin: 0;
  font-family: var(--challenge-font-display);
  font-size: clamp(54px, 7vw, 92px);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.challenge-hero h1 span {
  display: block;
  color: var(--challenge-green);
}

.challenge-lede {
  max-width: 680px;
  margin: 30px 0 0;
  color: #c9c9cf;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.62;
}

.challenge-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.challenge-primary,
.challenge-secondary {
  min-height: 54px;
  padding: 15px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 850;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.challenge-primary {
  border: 1px solid var(--challenge-green-light);
  background: linear-gradient(135deg, var(--challenge-green-light), var(--challenge-green));
  color: #041008;
  box-shadow: 0 16px 46px rgba(74, 222, 128, 0.21);
}

.challenge-secondary {
  border: 1px solid var(--challenge-line-strong);
  background: rgba(255, 255, 255, 0.035);
  color: #efeff1;
  cursor: pointer;
  font-family: inherit;
}

.challenge-primary:hover,
.challenge-primary:focus-visible,
.challenge-secondary:hover,
.challenge-secondary:focus-visible {
  transform: translateY(-2px);
}

.challenge-primary:hover,
.challenge-primary:focus-visible {
  box-shadow: 0 20px 54px rgba(74, 222, 128, 0.31);
}

.challenge-secondary:hover,
.challenge-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.06);
}

.challenge-primary:focus-visible,
.challenge-secondary:focus-visible,
.challenge-faq summary:focus-visible,
.challenge-footer a:focus-visible {
  outline: 2px solid var(--challenge-green-light);
  outline-offset: 4px;
}

.challenge-trust {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: #8f8f98;
  font-size: 13px;
  font-weight: 650;
}

.challenge-trust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.challenge-trust span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--challenge-green);
  content: "";
  box-shadow: 0 0 12px rgba(74, 222, 128, 0.7);
}

.challenge-phone {
  position: relative;
  width: min(360px, 100%);
  margin-inline: auto;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 42px;
  background: linear-gradient(145deg, #262626, #080808 34%, #171717);
  box-shadow: 0 38px 100px rgba(0, 0, 0, 0.58), 0 0 70px rgba(74, 222, 128, 0.08);
  transform: rotate(2deg);
}

.challenge-phone::after {
  position: absolute;
  inset: 9% -16% -9% 8%;
  z-index: -1;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.1);
  filter: blur(58px);
  content: "";
}

.challenge-screen {
  min-height: 620px;
  padding: 74px 24px 26px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 0, rgba(74, 222, 128, 0.09), transparent 18rem),
    #080808;
}

.challenge-island {
  position: absolute;
  top: 16px;
  left: 50%;
  width: 104px;
  height: 29px;
  border-radius: 999px;
  background: #000;
  transform: translateX(-50%);
}

.challenge-screen-eyebrow {
  color: #777780;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.challenge-screen h2 {
  margin: 8px 0 24px;
  font-family: var(--challenge-font-display);
  font-size: 32px;
  letter-spacing: -0.04em;
}

.challenge-set-context {
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid rgba(74, 222, 128, 0.16);
  border-radius: 16px;
  background: rgba(74, 222, 128, 0.055);
}

.challenge-set-context span {
  display: block;
  margin-bottom: 6px;
  color: #85858e;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.challenge-set-context strong {
  display: block;
  color: #f4f4f5;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.challenge-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.challenge-input {
  min-height: 116px;
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--challenge-line);
  border-radius: 18px;
  background: var(--challenge-surface-raised);
}

.challenge-input strong {
  font-family: var(--challenge-font-display);
  font-size: 42px;
  letter-spacing: -0.05em;
}

.challenge-input span {
  margin-top: 2px;
  color: #777780;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.challenge-log-button {
  width: 100%;
  min-height: 54px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--challenge-green);
  color: #041008;
  font-size: 15px;
  font-weight: 900;
}

.challenge-win {
  margin-top: 20px;
  padding: 15px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.challenge-win span {
  color: #8b8b94;
  font-size: 12px;
  font-weight: 700;
}

.challenge-win strong {
  color: var(--challenge-green-light);
  font-size: 12px;
  font-weight: 900;
}

.challenge-section {
  padding: 96px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
}

.challenge-section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.challenge-section h2 {
  margin: 12px 0 0;
  font-family: var(--challenge-font-display);
  font-size: clamp(38px, 5vw, 62px);
  letter-spacing: -0.045em;
  line-height: 1;
}

.challenge-section-intro {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--challenge-muted);
  font-size: 17px;
  line-height: 1.7;
}

.challenge-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.challenge-step,
.challenge-signal,
.challenge-fit-card {
  border: 1px solid var(--challenge-line);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.038), rgba(255, 255, 255, 0.012));
}

.challenge-step {
  min-height: 270px;
  padding: 24px;
}

.challenge-step-number {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(74, 222, 128, 0.22);
  border-radius: 13px;
  background: rgba(74, 222, 128, 0.08);
  color: var(--challenge-green-light);
  font-family: var(--challenge-font-display);
  font-size: 15px;
  font-weight: 850;
}

.challenge-step h3,
.challenge-signal h3,
.challenge-fit-card h3 {
  margin: 24px 0 10px;
  font-family: var(--challenge-font-display);
  font-size: 22px;
  letter-spacing: -0.025em;
}

.challenge-step p,
.challenge-signal p,
.challenge-fit-card p {
  margin: 0;
  color: var(--challenge-muted);
  font-size: 14px;
  line-height: 1.68;
}

.challenge-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.challenge-signal {
  padding: 26px;
}

.challenge-signal h3 {
  margin-top: 16px;
}

.challenge-signal-value {
  color: var(--challenge-green-light);
  font-family: var(--challenge-font-display);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.challenge-fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.challenge-fit-card {
  padding: 30px;
}

.challenge-fit-card h3 {
  margin-top: 0;
}

.challenge-fit-card.is-for {
  border-color: rgba(74, 222, 128, 0.24);
  background: linear-gradient(145deg, rgba(74, 222, 128, 0.075), rgba(255, 255, 255, 0.012));
}

.challenge-fit-list {
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
  list-style: none;
}

.challenge-fit-list li {
  position: relative;
  padding-left: 22px;
  color: #c6c6cc;
  font-size: 14px;
  line-height: 1.55;
}

.challenge-fit-list li::before {
  position: absolute;
  top: 0.55em;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--challenge-green);
  content: "";
}

.challenge-fit-card:not(.is-for) .challenge-fit-list li::before {
  background: #71717a;
}

.challenge-faq-list {
  max-width: 820px;
  display: grid;
  gap: 10px;
}

.challenge-faq {
  overflow: hidden;
  border: 1px solid var(--challenge-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.challenge-faq summary {
  min-height: 60px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #f1f1f2;
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
  list-style: none;
}

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

.challenge-faq summary::after {
  color: var(--challenge-green);
  content: "+";
  font-size: 22px;
  font-weight: 500;
}

.challenge-faq[open] summary::after {
  content: "−";
}

.challenge-faq p {
  max-width: 720px;
  margin: 0;
  padding: 0 20px 20px;
  color: var(--challenge-muted);
  font-size: 14px;
  line-height: 1.68;
}

.challenge-final {
  padding: 96px 0 116px;
}

.challenge-final-card {
  padding: clamp(34px, 7vw, 72px);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(74, 222, 128, 0.23);
  border-radius: 30px;
  background:
    radial-gradient(circle at 80% 0, rgba(74, 222, 128, 0.15), transparent 25rem),
    #0b0b0b;
}

.challenge-final-card::after {
  position: absolute;
  right: -28px;
  bottom: -86px;
  color: rgba(255, 255, 255, 0.025);
  content: "07";
  font-family: var(--challenge-font-display);
  font-size: clamp(180px, 30vw, 340px);
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 1;
  pointer-events: none;
}

.challenge-final-card h2 {
  max-width: 690px;
  position: relative;
  z-index: 1;
  margin: 12px 0 0;
}

.challenge-final-card p {
  max-width: 610px;
  position: relative;
  z-index: 1;
  margin: 20px 0 0;
  color: #b5b5bd;
  font-size: 17px;
  line-height: 1.7;
}

.challenge-final-card .challenge-actions {
  position: relative;
  z-index: 1;
}

.challenge-footer {
  padding: 30px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.challenge-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #777780;
  font-size: 12px;
}

.challenge-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.challenge-footer a {
  color: #a6a6ae;
  text-decoration: none;
}

.challenge-footer a:hover {
  color: #fff;
}

@media (max-width: 980px) {
  .challenge-hero-grid {
    grid-template-columns: 1fr;
  }

  .challenge-hero-copy {
    text-align: center;
  }

  .challenge-kicker,
  .challenge-actions,
  .challenge-trust {
    margin-inline: auto;
    justify-content: center;
  }

  .challenge-lede {
    margin-inline: auto;
  }

  .challenge-phone {
    width: min(340px, 90%);
    transform: none;
  }

  .challenge-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .challenge-container {
    width: min(100% - 28px, 1160px);
  }

  .challenge-hero {
    min-height: auto;
    padding: 118px 0 72px;
  }

  .challenge-hero-grid {
    gap: 46px;
  }

  .challenge-hero h1 {
    font-size: clamp(46px, 14.5vw, 70px);
  }

  .challenge-lede {
    font-size: 17px;
  }

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

  .challenge-primary,
  .challenge-secondary {
    width: 100%;
  }

  .challenge-trust {
    display: grid;
    justify-items: start;
  }

  .challenge-phone {
    width: min(330px, 96%);
  }

  .challenge-screen {
    min-height: 580px;
  }

  .challenge-section {
    padding: 72px 0;
  }

  .challenge-steps,
  .challenge-signal-grid,
  .challenge-fit-grid {
    grid-template-columns: 1fr;
  }

  .challenge-step {
    min-height: 0;
  }

  .challenge-final {
    padding: 72px 0 84px;
  }

  .challenge-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .challenge-primary,
  .challenge-secondary {
    transition: none;
  }
}