:root {
  --bg: #08051d;
  --panel: #221743;
  --panel-soft: #312555;
  --text: #f8f4ff;
  --muted: #bcb4d2;
  --line: rgba(255, 255, 255, 0.1);
  --cyan: #14c4a6;
  --pink: #ff42d1;
  --violet: #8a4fff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 22% 18%, rgba(126, 58, 242, 0.28), transparent 28rem),
    radial-gradient(circle at 78% 70%, rgba(18, 196, 166, 0.16), transparent 24rem),
    linear-gradient(180deg, #271040 0%, #0a0622 48%, #060316 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  background: rgba(24, 10, 44, 0.72);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  color: #9a5cff;
  text-shadow: 0 0 16px rgba(255, 66, 209, 0.35);
}

.nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--text);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 700;
}

.primary-button {
  color: white;
  background: linear-gradient(135deg, var(--violet), var(--pink));
  box-shadow: 0 12px 30px rgba(255, 66, 209, 0.26);
}

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 36px 0 56px;
}

.hero-copy {
  max-width: 840px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(4rem, 10vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: 0;
  color: var(--text);
}

.lead {
  max-width: 650px;
  margin-bottom: 28px;
  color: #d7d0e8;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.primary-button,
.secondary-button {
  min-width: 148px;
  padding: 0 20px;
}

.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #efe9ff;
  background: rgba(255, 255, 255, 0.08);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: none;
  padding: 0 max(20px, calc((100vw - 1180px) / 2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats div {
  padding: 20px 22px 18px 0;
}

.stats dt {
  font-size: 1.5rem;
  font-weight: 800;
}

.stats dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: #d7d0e8;
}

.footer-links a:hover {
  color: var(--text);
}

.feature-icon {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.feature-band,
.about-band {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.feature-band {
  padding: 56px 0 72px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading h2,
.about-copy h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-grid article {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.feature-grid h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.feature-grid p,
.about-copy p,
.about-panel p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.feature-icon {
  margin-bottom: 24px;
}

.shield {
  background:
    radial-gradient(circle at 50% 35%, #fff 0 3px, transparent 4px),
    linear-gradient(135deg, var(--cyan), #25e6c7);
  clip-path: polygon(50% 0, 88% 14%, 78% 76%, 50% 100%, 22% 76%, 12% 14%);
}

.rates {
  background:
    linear-gradient(90deg, transparent 18%, #fff 18% 26%, transparent 26% 48%, #fff 48% 56%, transparent 56%),
    linear-gradient(135deg, var(--violet), var(--pink));
}

.monitor {
  background:
    linear-gradient(#fff, #fff) center 22px / 18px 3px no-repeat,
    linear-gradient(135deg, #3ad6c1, #7f5cff);
}

.about-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: 32px;
  align-items: center;
  padding: 20px 0 90px;
}

.about-copy {
  max-width: 720px;
}

.about-intro {
  max-width: 620px;
  color: #d7d0e8;
  font-size: 1.12rem;
  line-height: 1.8;
}

.about-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(138, 79, 255, 0.24), rgba(255, 66, 209, 0.1)),
    rgba(255, 255, 255, 0.055);
}

.about-panel strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.35rem;
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-page {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0 82px;
}

.legal-card {
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.legal-card h1 {
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 1;
}

.legal-date {
  margin-bottom: 34px;
  color: var(--muted);
}

.legal-card section {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.legal-card h2 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.legal-card p {
  color: #d7d0e8;
  line-height: 1.8;
}

@media (max-width: 860px) {
  .header-inner {
    width: min(100% - 28px, 640px);
  }

  .nav {
    display: none;
  }

  .hero {
    width: min(100% - 28px, 640px);
    min-height: auto;
    padding-top: 18px;
  }

  h1 {
    font-size: clamp(3.6rem, 18vw, 6.2rem);
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .stats div {
    padding-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats div:last-child {
    border-bottom: 0;
  }

  .feature-band,
  .about-band,
  .site-footer {
    width: min(100% - 28px, 640px);
  }

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

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .legal-page {
    width: min(100% - 28px, 640px);
    padding-top: 24px;
  }
}

@media (max-width: 440px) {
  .hero-actions {
    flex-direction: column;
  }

}