:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: #e5e7eb;
  background: #0b1120;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #0b1120;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 5%, rgba(29, 78, 216, 0.24), transparent 34rem),
    radial-gradient(circle at 88% 18%, rgba(185, 28, 28, 0.18), transparent 30rem),
    #0b1120;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(11, 17, 32, 0.9);
  backdrop-filter: blur(14px);
}

.site-header__inner,
.page-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header__inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand img {
  width: 30px;
  height: 30px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.button:hover,
.button:focus-visible {
  border-color: #60a5fa;
  outline: none;
}

.site-nav__primary,
.button--primary {
  border-color: #2563eb;
  color: #ffffff;
  background: #2563eb;
}

.page-shell {
  padding: 72px 0 48px;
}

.hero {
  max-width: 830px;
  padding: 24px 0 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #93c5fd;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 800px;
  margin-bottom: 20px;
  color: #ffffff;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.hero__lead {
  max-width: 760px;
  margin-bottom: 26px;
  color: #cbd5e1;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 46px;
  padding: 0 18px;
}

.button--secondary {
  color: #dbeafe;
  background: rgba(30, 41, 59, 0.72);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}

.content-card,
.content-section,
.faq-item {
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.78);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.16);
}

.content-card {
  padding: 22px;
}

.content-card h2 {
  margin-bottom: 10px;
  color: #ffffff;
  font-size: 18px;
}

.content-card p,
.content-section p,
.content-section li,
.faq-item p {
  color: #cbd5e1;
  line-height: 1.65;
}

.content-section {
  margin-bottom: 24px;
  padding: clamp(24px, 4vw, 38px);
}

.content-section h2 {
  margin-bottom: 14px;
  color: #ffffff;
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: -0.025em;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 30px;
  margin: 22px 0 0;
  padding-left: 20px;
}

.faq {
  margin: 56px 0;
}

.faq > h2 {
  margin-bottom: 18px;
  color: #ffffff;
  font-size: clamp(28px, 4vw, 40px);
}

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

.faq-item {
  padding: 22px;
}

.faq-item h3 {
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 18px;
}

.faq-item p {
  margin-bottom: 0;
}

.notice {
  border-left: 4px solid #f59e0b;
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  color: #94a3b8;
  background: rgba(2, 6, 23, 0.58);
}

.site-footer__inner {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
  font-size: 13px;
  line-height: 1.6;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 12px;
}

.site-footer a {
  color: #bfdbfe;
}

@media (max-width: 760px) {
  .site-header__inner {
    min-height: 58px;
  }

  .brand span {
    display: none;
  }

  .site-nav a {
    min-height: 36px;
    padding: 0 10px;
    font-size: 12px;
  }

  .page-shell {
    padding-top: 42px;
  }

  .hero {
    padding-bottom: 42px;
  }

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