:root {
  color-scheme: dark;
  --bg: #07080d;
  --bg-elevated: #0f1118;
  --panel: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f6f8;
  --muted: rgba(255, 255, 255, 0.62);
  --soft: rgba(255, 255, 255, 0.42);
  --green: #15cf6a;
  --green-soft: #9fffa9;
  --blue: #5b9bff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: calc(100% - 32px);
  max-width: 1120px;
  margin: 16px auto 0;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(7, 8, 13, 0.72);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.site-header:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.42);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 10px;
  transition: opacity 0.15s ease;
}

.site-brand:hover {
  opacity: 0.85;
}

.site-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: color 0.15s ease, background 0.15s ease;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.site-nav a:focus-visible {
  outline: 2px solid rgba(21, 207, 106, 0.45);
  outline-offset: 2px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.16);
}

.site-header__actions .btn:hover {
  background: rgba(21, 207, 106, 0.14);
  border-color: rgba(21, 207, 106, 0.35);
  color: var(--green-soft);
}

.btn--primary {
  border-color: rgba(21, 207, 106, 0.45);
  background: linear-gradient(135deg, rgba(21, 207, 106, 0.22), rgba(159, 255, 169, 0.08));
  color: #eafff2;
}

.btn--primary:hover {
  background: linear-gradient(135deg, rgba(21, 207, 106, 0.32), rgba(159, 255, 169, 0.14));
}

.site-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.announcement {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(21, 207, 106, 0.28);
  background: rgba(21, 207, 106, 0.08);
  color: var(--green-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  max-width: 720px;
  margin-bottom: 72px;
}

.hero h1 {
  margin: 0 0 18px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero h1 span {
  display: block;
  background: linear-gradient(135deg, #ffffff 0%, var(--green-soft) 55%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 560px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 18px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 72px;
}

.stat {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.stat__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 12px;
  border: 1px solid rgba(21, 207, 106, 0.22);
  background: rgba(21, 207, 106, 0.1);
  color: var(--green-soft);
}

.stat__icon svg {
  width: 22px;
  height: 22px;
}

.stat strong {
  display: block;
  margin-bottom: 6px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 22px;
}

.stat span {
  color: var(--soft);
  font-size: 14px;
}

.section-head {
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.section-head p {
  margin: 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 72px;
}

.feature {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 72px;
}

.step {
  padding: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.step__num {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--green);
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cta {
  padding: 36px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: center;
}

.cta h2 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 2rem;
}

.cta p {
  margin: 0 auto 22px;
  max-width: 560px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--soft);
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 24px 32px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.site-footer__brand p {
  margin: 16px 0 0;
  max-width: 300px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
}

.site-footer__logo img {
  border-radius: 8px;
}

.site-footer__col h3 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-footer__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__col li + li {
  margin-top: 10px;
}

.site-footer__col a,
.site-footer__legal a {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.15s ease;
}

.site-footer__col a:hover,
.site-footer__legal a:hover {
  color: var(--text);
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  flex-wrap: wrap;
}

.site-footer__bottom p {
  margin: 0;
  font-size: 13px;
  color: var(--soft);
}

.site-footer__legal {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-footer__legal a {
  font-size: 13px;
}

@media (max-width: 900px) {
  .site-header {
    width: calc(100% - 24px);
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: 14px;
  }

  .site-main {
    padding-top: 24px;
  }

  .site-nav { display: none; }

  .hero,
  .features,
  .steps,
  .stats {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}