:root {
  --bg: #080a0d;
  --panel: #11151a;
  --panel-soft: #151a21;
  --text: #f5f7f8;
  --muted: #a4adb7;
  --line: rgba(255, 255, 255, 0.1);
  --green: #10f894;
  --green-deep: #08c87c;
  --green-ink: #02150d;
  --purple: #7c3aed;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    radial-gradient(800px 420px at 85% -10%, rgba(124, 58, 237, 0.22), transparent 58%),
    radial-gradient(620px 360px at 8% 12%, rgba(16, 248, 148, 0.09), transparent 58%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  z-index: 100;
  top: -60px;
  left: 16px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--green);
  color: var(--green-ink);
  font-weight: 800;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 10, 13, 0.88);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  width: 194px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a {
  color: #dce2e7;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--green);
}

.mobile-menu {
  position: relative;
  display: none;
}

.mobile-menu summary {
  display: inline-flex;
  min-height: 42px;
  cursor: pointer;
  list-style: none;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary::before {
  margin-right: 7px;
  content: "☰";
}

.mobile-menu[open] summary::before {
  content: "×";
}

.mobile-menu-links {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: grid;
  width: min(74vw, 260px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #11151a;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.mobile-menu-links a {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}

.mobile-menu-links a:last-child {
  border-bottom: 0;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--green-deep), var(--green));
  box-shadow: 0 12px 34px rgba(16, 248, 148, 0.2);
  color: var(--green-ink);
  font-weight: 900;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
  color: var(--text);
}

.button-muted {
  cursor: default;
  background: #20262d;
  box-shadow: none;
  color: #c1c8cf;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 10vw, 128px) 0 76px;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 56px;
  right: max(2vw, calc((100vw - var(--max)) / 2));
  width: min(36vw, 430px);
  aspect-ratio: 1;
  border: 1px solid rgba(16, 248, 148, 0.18);
  border-radius: 36% 64% 62% 38%;
  background: linear-gradient(145deg, rgba(16, 248, 148, 0.11), rgba(124, 58, 237, 0.08));
  content: "";
  filter: blur(1px);
  transform: rotate(12deg);
}

.hero-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: clamp(36px, 7vw, 90px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 7vw, 5.7rem);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
}

.lead {
  max-width: 680px;
  margin: 0;
  color: #c5ccd3;
  font-size: clamp(1.04rem, 2vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    radial-gradient(circle at 50% 42%, rgba(16, 248, 148, 0.16), transparent 48%),
    rgba(255, 255, 255, 0.025);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 30px 80px rgba(0, 0, 0, 0.3);
}

.hero-art img {
  width: 72%;
  max-width: 280px;
  filter: drop-shadow(0 22px 40px rgba(16, 248, 148, 0.18));
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  color: #cbd2d8;
  font-size: 0.88rem;
  font-weight: 700;
}

.status::before {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
  content: "";
}

.section {
  padding: clamp(66px, 9vw, 112px) 0;
}

.section-tight {
  padding-top: 28px;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 34px;
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.card-body {
  padding: 22px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.reward-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #0d1218;
}

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

.feature {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
}

.feature-number {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 12px;
  background: rgba(16, 248, 148, 0.12);
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 900;
}

.feature p,
.article p,
.article li {
  color: var(--muted);
}

.article {
  max-width: 820px;
}

.article h2 {
  margin-top: 50px;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.article h2:first-child {
  margin-top: 0;
}

.article a {
  color: var(--green);
}

.notice {
  margin: 28px 0;
  padding: 22px;
  border: 1px solid rgba(16, 248, 148, 0.24);
  border-radius: 18px;
  background: rgba(16, 248, 148, 0.07);
}

.notice strong {
  color: var(--green);
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  padding: 19px 21px;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq p {
  margin: 12px 0 0;
  color: var(--muted);
}

.cta {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid rgba(16, 248, 148, 0.2);
  border-radius: 30px;
  background:
    radial-gradient(500px 220px at 100% 20%, rgba(16, 248, 148, 0.13), transparent 70%),
    linear-gradient(145deg, #151a20, #0e1217);
}

.cta h2 {
  margin-bottom: 10px;
}

.cta p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
}

.breadcrumb {
  padding-top: 28px;
  color: var(--muted);
  font-size: 0.84rem;
}

.breadcrumb a {
  color: var(--green);
  text-decoration: none;
}

.page-hero {
  padding: 54px 0 40px;
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
}

.site-footer {
  margin-top: 84px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  padding: 52px 0 30px;
}

.footer-brand {
  width: 174px;
  margin-bottom: 16px;
}

.footer-copy {
  max-width: 520px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-nav {
  display: grid;
  align-content: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
}

.footer-nav a {
  color: #dce2e7;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.footer-bottom {
  padding: 22px 0 30px;
  border-top: 1px solid var(--line);
  color: #78838d;
  font-size: 0.8rem;
}

.help-hero h1 {
  max-width: 820px;
  font-size: clamp(2.3rem, 5.4vw, 4.35rem);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.check-list strong {
  display: block;
  margin-bottom: 4px;
}

.check-list span,
.steps li {
  color: var(--muted);
}

.mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: rgba(16, 248, 148, 0.12);
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 900;
}

.steps {
  display: grid;
  gap: 16px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 22px 22px 22px 74px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}

.steps li::before {
  position: absolute;
  top: 22px;
  left: 18px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: rgba(16, 248, 148, 0.12);
  color: var(--green);
  content: counter(step);
  counter-increment: step;
  font-size: 0.82rem;
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.source-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(16, 248, 148, 0.24);
  border-radius: 20px;
  background: rgba(16, 248, 148, 0.07);
}

.source-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.logo-frame {
  min-height: 220px;
  margin-top: 36px;
}

.logo-frame img {
  width: min(100%, 420px);
}

@media (max-width: 780px) {
  .header-inner {
    min-height: 68px;
    gap: 10px;
  }

  .brand img {
    width: 158px;
  }

  .site-nav {
    gap: 8px;
  }

  .site-nav > a:not(.nav-cta) {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .nav-cta {
    min-height: 42px;
    padding: 9px 13px;
    font-size: 0.82rem;
  }

  .hero {
    padding-top: 56px;
  }

  .hero-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 300px;
  }

  .cards,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .cta,
  .source-card {
    grid-template-columns: 1fr;
    align-items: stretch;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}