:root {
  --navy: #07122f;
  --deep: #030a1f;
  --ink: #0b1738;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --border: rgba(255, 255, 255, 0.16);
  --white: #ffffff;
  --soft: rgba(247, 248, 252, 0.74);
  --muted: rgba(247, 248, 252, 0.56);
  --teal: #18b9bd;
  --coral: #ff5a5f;
  --gold: #ffc83d;
  --purple: #8b5cf6;
  --green: #62c947;
  --headline-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --body-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 14%, rgba(24, 185, 189, 0.24), transparent 31rem),
    radial-gradient(circle at 4% 58%, rgba(139, 92, 246, 0.24), transparent 28rem),
    radial-gradient(circle at 92% 76%, rgba(255, 200, 61, 0.1), transparent 26rem),
    linear-gradient(180deg, var(--deep) 0%, var(--navy) 42%, #0d1b40 100%);
  font-family: var(--body-font);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  pointer-events: none;
}

body::before {
  width: 42rem;
  height: 42rem;
  right: -17rem;
  top: 9rem;
  background: rgba(24, 185, 189, 0.11);
}

body::after {
  width: 38rem;
  height: 38rem;
  left: -18rem;
  bottom: -8rem;
  background: rgba(139, 92, 246, 0.14);
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--white);
  font-size: 24px;
  font-weight: 950;
  letter-spacing: -0.03em;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.22));
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
}

.bar {
  width: 17px;
  border-radius: 999px;
  position: relative;
}

.bar.teal {
  height: 35px;
  background: linear-gradient(180deg, #2ad7d5, var(--teal));
}

.bar.coral {
  height: 50px;
  background: linear-gradient(180deg, #ff7a73, var(--coral));
}

.bar.gold {
  height: 42px;
  background: linear-gradient(180deg, #ffd96a, #ffab22);
}

.bar.purple {
  height: 50px;
  background: linear-gradient(180deg, #a88cff, var(--purple));
}

.bar.green {
  height: 35px;
  background: linear-gradient(180deg, #83dc43, #48a82f);
}

.bar.gold::before,
.bar.gold::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--white);
  border-radius: 999px;
}

.bar.gold::before {
  width: 24px;
  height: 7px;
}

.bar.gold::after {
  width: 7px;
  height: 25px;
}

.dot.teal {
  background: var(--teal);
}

.dot.green {
  background: var(--green);
}

.links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.links a {
  color: rgba(247, 248, 252, 0.82);
  font-size: 14px;
  font-weight: 900;
  padding: 9px 12px;
  border-radius: 999px;
}

.links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.94fr);
  gap: 34px;
  align-items: center;
  margin-bottom: 34px;
}

.hero-copy {
  padding: 18px 0;
}

.kicker {
  color: var(--gold);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1 {
  max-width: 720px;
  font-family: var(--headline-font);
  font-size: clamp(40px, 5.1vw, 70px);
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 800;
  margin: 0 0 22px;
}

h2 {
  color: var(--white);
  font-family: var(--headline-font);
  font-size: clamp(26px, 2.7vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 18px;
}

h3 {
  color: var(--white);
  font-family: var(--headline-font);
  font-size: 20px;
  line-height: 1.22;
  letter-spacing: -0.018em;
  font-weight: 750;
  margin: 30px 0 10px;
}

p {
  color: var(--soft);
  font-size: 18px;
  margin: 0 0 18px;
}

.lead {
  max-width: 650px;
  color: var(--white);
  font-family: var(--headline-font);
  font-size: clamp(19px, 1.8vw, 24px);
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: -0.012em;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  color: #07122f;
  background: linear-gradient(135deg, #ffe08a, var(--gold));
  box-shadow: 0 20px 42px rgba(255, 200, 61, 0.22);
  font-weight: 950;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero-visual {
  position: relative;
}

.hero-card,
.device-card,
.card,
.trust-band,
.mini-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.035)),
    linear-gradient(145deg, rgba(24, 185, 189, 0.12), rgba(139, 92, 246, 0.1), rgba(255, 200, 61, 0.055));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 28px 90px rgba(0, 0, 0, 0.25);
}

.hero-card::before,
.device-card::before,
.card::before,
.trust-band::before,
.mini-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 74% 20%, rgba(24, 185, 189, 0.12), transparent 17rem);
  pointer-events: none;
}

.device-card {
  min-height: 620px;
  padding: 30px;
  border-radius: 42px;
}

.hero-card {
  border-radius: 34px;
  padding: 42px;
  margin-bottom: 18px;
}

.phone-top {
  display: flex;
  justify-content: center;
  margin-bottom: 48px;
}

.phone-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-size: 24px;
  font-weight: 950;
}

.timer-ring {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  margin: 0 auto 28px;
  border-radius: 999px;
  background: conic-gradient(var(--teal) 0 74%, rgba(255, 255, 255, 0.18) 74% 100%);
  box-shadow: 0 0 42px rgba(24, 185, 189, 0.24);
}

.timer-ring span {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 999px;
  color: var(--white);
  background: #101b3a;
  font-size: 42px;
  font-weight: 950;
}

.fact-card {
  padding: 52px 24px 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 32px;
  background:
    radial-gradient(circle at 75% 20%, rgba(24, 185, 189, 0.14), transparent 12rem),
    rgba(255, 255, 255, 0.11);
  text-align: center;
}

.equation {
  color: var(--white);
  font-family: var(--headline-font);
  font-size: 58px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 18px;
}

.hint {
  color: rgba(247, 248, 252, 0.72);
  font-size: 18px;
  font-weight: 850;
}

.answers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 24px 0;
}

.answer {
  display: grid;
  place-items: center;
  min-height: 78px;
  color: var(--white);
  border: 1px solid rgba(24, 185, 189, 0.38);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.075);
  font-size: 34px;
  font-weight: 950;
}

.progress-track {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.progress-fill {
  width: 58%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--purple));
}

.progress-copy {
  color: var(--soft);
  text-align: center;
  font-size: 18px;
  font-weight: 900;
  margin-top: 12px;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  border-radius: 30px;
  padding: 18px;
  margin: 22px 0 36px;
}

.trust-item {
  padding: 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 15px;
  font-weight: 950;
}

.trust-item span {
  display: block;
  color: var(--teal);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.content {
  display: grid;
  gap: 18px;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  border-radius: 30px;
  padding: 34px;
}

.card ul {
  margin: 14px 0 0;
  padding-left: 22px;
  color: var(--soft);
  font-size: 18px;
}

.card li {
  margin: 8px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.mini-card {
  min-height: 150px;
  border-radius: 24px;
  padding: 20px;
}

.mini-card strong {
  display: block;
  color: var(--white);
  font-size: 18px;
  line-height: 1.15;
  margin-bottom: 8px;
}

.mini-card p {
  font-size: 15px;
  line-height: 1.45;
  margin: 0;
}

.footer {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  margin-top: 42px;
}

.email {
  color: var(--white);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 950;
  letter-spacing: -0.04em;
  margin: 8px 0 22px;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .feature-grid,
  .trust-band {
    grid-template-columns: 1fr;
  }

  .device-card {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 22px 18px 46px;
  }

  .nav {
    align-items: flex-start;
    margin-bottom: 36px;
  }

  .brand > span:last-child {
    display: none;
  }

  .links {
    gap: 4px;
  }

  .links a {
    font-size: 13px;
    padding-inline: 8px;
  }

  .hero {
    gap: 22px;
  }

  .hero-copy {
    padding: 0;
  }

  .hero-card,
  .device-card,
  .card {
    padding: 24px;
    border-radius: 26px;
  }

  .phone-top {
    margin-bottom: 28px;
  }

  .timer-ring {
    width: 96px;
    height: 96px;
  }

  .timer-ring span {
    width: 74px;
    height: 74px;
    font-size: 34px;
  }

  .fact-card {
    padding: 36px 18px 30px;
  }

  .equation {
    font-size: 48px;
  }

  .answer {
    min-height: 64px;
    border-radius: 18px;
    font-size: 28px;
  }

  p,
  .card ul {
    font-size: 16px;
  }

  .lead {
    font-size: 19px;
  }
}