:root {
  --bg: #07080a;
  --fg: #e9edf2;
  --muted: rgba(233, 237, 242, 0.68);
  --cyan: #49d7ff;
  --amber: #ffb84a;
  --green: #84ff63;
  --line: rgba(73, 215, 255, 0.2);
  --line-soft: rgba(233, 237, 242, 0.09);
  --panel: rgba(4, 12, 24, 0.76);
  --main: "Geist", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --display: "Space Grotesk", "Geist", sans-serif;
}

@property --button-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(900px 700px at 12% 8%, rgba(73, 215, 255, 0.1), transparent 58%),
    radial-gradient(800px 650px at 88% 18%, rgba(255, 184, 74, 0.08), transparent 60%),
    radial-gradient(1100px 850px at 60% 82%, rgba(132, 255, 99, 0.045), transparent 58%),
    var(--bg);
  color: var(--fg);
  font-family: var(--main);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,0.018) 0, rgba(255,255,255,0.018) 1px, transparent 2px, transparent 4px);
  content: "";
  pointer-events: none;
}

img { max-width: 100%; }

a { color: inherit; }

.wrap {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: -999px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--bg);
  color: var(--cyan);
}

.skip-link:focus { left: 10px; }

.site-head {
  display: flex;
  padding-block: 20px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.site-head a { text-decoration: none; }

.site-head__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.site-head__mark {
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(73, 215, 255, 0.7);
}

.site-head__label { color: var(--cyan); }

.hero {
  display: grid;
  padding-block: 62px 40px;
  gap: 40px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(44px, 12vw, 78px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero__lead {
  max-width: 60ch;
  margin: 24px 0 0;
  color: rgba(233, 237, 242, 0.8);
  font-size: clamp(17px, 4.6vw, 21px);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  margin-top: 30px;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.button {
  --button-angle: 0deg;
  position: relative;
  display: inline-flex;
  min-height: 52px;
  padding: 14px 18px;
  align-items: center;
  justify-content: center;
  gap: 26px;
  overflow: hidden;
  border: 2px solid transparent;
  border-radius: 8px;
  background:
    linear-gradient(rgba(10, 29, 36, 0.96), rgba(8, 18, 24, 0.98)) padding-box,
    conic-gradient(
      from var(--button-angle),
      rgba(73, 215, 255, 0.32) 0deg 246deg,
      rgba(73, 215, 255, 0.86) 278deg,
      rgba(255, 184, 74, 0.95) 306deg,
      rgba(233, 237, 242, 0.96) 323deg,
      rgba(73, 215, 255, 0.32) 360deg
    ) border-box;
  box-shadow: inset 0 0 24px rgba(73, 215, 255, 0.06), 0 0 24px rgba(73, 215, 255, 0.09);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
  animation: button-orbit 4.2s linear infinite;
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.button:hover {
  box-shadow: inset 0 0 30px rgba(73, 215, 255, 0.12), 0 0 34px rgba(73, 215, 255, 0.22);
  transform: translateY(-2px);
  animation-duration: 2.7s;
}

@keyframes button-orbit {
  to { --button-angle: 360deg; }
}

.text-link {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  text-underline-offset: 5px;
}

.hero__assurance {
  max-width: 48ch;
  margin: 20px 0 0;
  color: rgba(233, 237, 242, 0.86);
  font-family: var(--mono);
  font-size: clamp(13px, 1.25vw, 15px);
  font-weight: 500;
  line-height: 1.5;
}

.hero__visual {
  display: grid;
  width: min(380px, 88%);
  margin: 0 auto;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(73, 215, 255, 0.24);
  border-radius: 18px;
  background: #0b0710;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
}

.hero__visual img {
  display: block;
  width: auto;
  max-width: 100%;
  height: min(68vh, 660px);
  object-fit: contain;
}

.requirement {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}

.requirement div {
  padding: 22px 8px;
  text-align: center;
}

.requirement div + div { border-left: 1px solid var(--line); }

.requirement strong {
  display: block;
  color: var(--cyan);
  font-family: var(--display);
  font-size: 30px;
  font-weight: 500;
}

.requirement span {
  display: block;
  margin-top: 7px;
  color: rgba(233, 237, 242, 0.82);
  font-family: var(--mono);
  font-size: clamp(12px, 1.15vw, 14px);
  font-weight: 500;
  line-height: 1.45;
}

.section { padding-block: 76px; }

.section--bordered { border-block: 1px solid var(--line); }

.section-heading { margin-bottom: 30px; }

.section h2,
.final-cta h2 {
  max-width: 17ch;
  margin: 0;
  font-size: clamp(34px, 8vw, 56px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.section-lead {
  margin: 0;
  color: rgba(233, 237, 242, 0.86);
  font-size: 19px;
  line-height: 1.6;
}

.check-list,
.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.feature-list li {
  position: relative;
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid var(--line-soft);
  color: rgba(233, 237, 242, 0.78);
}

.check-list li::before,
.feature-list li::before {
  position: absolute;
  top: 19px;
  left: 2px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--green);
  content: "";
  transform: rotate(45deg);
}

.source-note {
  margin: 28px 0 0;
  max-width: 880px;
  padding: 18px 20px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 184, 74, 0.05);
  color: rgba(233, 237, 242, 0.84);
  font-family: var(--main);
  font-size: 15px;
  line-height: 1.65;
}

.source-note a {
  color: var(--cyan);
  font-weight: 500;
  text-underline-offset: 4px;
}

.steps {
  display: grid;
  max-width: 860px;
  margin: 0;
  padding: 0;
  gap: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  padding: 28px 0;
  gap: 22px;
  border-top: 1px solid var(--line-soft);
}

.steps li:last-child { border-bottom: 1px solid var(--line-soft); }

.steps li > span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
}

.steps h3 {
  margin: 0;
  font-size: clamp(20px, 2.1vw, 24px);
  font-weight: 600;
}

.steps p {
  max-width: 64ch;
  margin: 10px 0 0;
  color: rgba(233, 237, 242, 0.82);
  font-size: clamp(16px, 1.65vw, 18px);
  line-height: 1.7;
}

.reward {
  display: grid;
  gap: 28px;
}

.reward__copy > p:not(.eyebrow) {
  max-width: 64ch;
  color: rgba(233, 237, 242, 0.82);
  font-size: 18px;
  line-height: 1.65;
}

.reward__note { color: rgba(233, 237, 242, 0.76) !important; }

.feature-list {
  display: grid;
  max-width: 680px;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.feature-list li {
  padding-block: 15px;
  color: rgba(233, 237, 242, 0.84);
  font-size: clamp(16px, 1.65vw, 18px);
}

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

.section-heading--split > p {
  max-width: 42ch;
  margin: 20px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.preview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.preview figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(4, 12, 24, 0.72);
}

.preview figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview__wide { grid-column: 1 / -1; }

.preview__wide img { aspect-ratio: 16 / 9; }

.reason h2 { max-width: 24ch; }

.reason > p:last-child {
  max-width: 67ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

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

.faq details { border-bottom: 1px solid var(--line); }

.faq summary {
  padding: 20px 36px 20px 0;
  color: rgba(233, 237, 242, 0.94);
  cursor: pointer;
  font-size: 17px;
  font-weight: 500;
}

.faq details p {
  max-width: 70ch;
  margin: -5px 0 22px;
  color: var(--muted);
  line-height: 1.65;
}

.final-cta {
  padding-block: 70px;
  border: 1px solid rgba(73, 215, 255, 0.24);
  border-radius: 16px;
  background:
    radial-gradient(circle at 100% 0, rgba(73, 215, 255, 0.11), transparent 45%),
    var(--panel);
  text-align: center;
}

.final-cta h2 { max-width: none; }

.final-cta > p:not(.eyebrow) {
  max-width: 58ch;
  margin: 20px auto 28px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.final-cta .button { margin-inline: auto; }

.final-cta small {
  display: block;
  margin-top: 14px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 9px;
}

.site-footer {
  display: flex;
  padding-block: 28px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}

.site-footer a {
  color: var(--cyan);
  text-decoration: none;
}

@media (min-width: 760px) {
  .hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.72fr);
    padding-block: 84px 58px;
    align-items: center;
    gap: 64px;
  }

  .hero__visual {
    width: min(360px, 100%);
    justify-self: end;
  }

  .trust__layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 70px;
  }

  .section-heading--split {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 50px;
  }

  .section-heading--split > p { margin: 0; }

  .preview__grid {
    max-width: 820px;
    grid-template-columns: 1fr 1fr;
    margin-inline: auto;
  }
}

@media (max-width: 520px) {
  .site-head__label-prefix { display: none; }

  .requirement span { max-width: 11ch; margin-inline: auto; }

  .final-cta {
    width: calc(100% - 24px);
    padding: 54px 20px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { animation: none; transition: none; }
}