:root {
  --bg: #080810;
  --panel: #10101a;
  --text: #f5f7ff;
  --muted: #b8bfd6;
  --accent: #007aff;
  --accent-strong: #2f8dff;
  --border: #22243a;
  --focus: #66b2ff;
  --success: #26d07c;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 8px;
}

.container {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(8, 8, 16, 0.9);
  border-bottom: 1px solid var(--border);
}

.site-nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.2px;
}

.brand svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  color: var(--muted);
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
  border: 1px solid transparent;
}

.nav-link.active {
  color: var(--accent-strong);
  border-color: rgba(0, 122, 255, 0.35);
  background: rgba(0, 122, 255, 0.1);
}

.hero {
  padding: 4rem 0 2rem;
}

.hero h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  line-height: 1.1;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
}

.section {
  margin: 2rem 0;
  padding: 1.25rem;
  background: linear-gradient(180deg, rgba(16, 16, 26, 0.9), rgba(13, 13, 22, 0.9));
  border: 1px solid var(--border);
  border-radius: 16px;
}

.section h2 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
}

.section p {
  margin: 0.45rem 0;
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 0.65rem 0;
  background: #0d0e18;
  overflow: hidden;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 0.9rem 1rem;
  font-weight: 650;
}

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

.faq details[open] summary {
  border-bottom: 1px solid var(--border);
}

.faq .answer {
  padding: 0.85rem 1rem 1rem;
  color: var(--muted);
}

.button {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.72rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(0, 122, 255, 0.45);
  background: linear-gradient(180deg, rgba(0, 122, 255, 0.25), rgba(0, 122, 255, 0.15));
  color: #eaf3ff;
  font-weight: 650;
}

.button:hover {
  text-decoration: none;
  background: linear-gradient(180deg, rgba(0, 122, 255, 0.35), rgba(0, 122, 255, 0.2));
}

.meta {
  font-size: 0.92rem;
  color: var(--muted);
}

.policy-section + .policy-section {
  margin-top: 1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 1.25rem 0 2rem;
  color: var(--muted);
  font-size: 0.93rem;
}

@media (max-width: 640px) {
  .site-nav {
    min-height: 58px;
  }

  .nav-link {
    padding: 0.38rem 0.58rem;
    font-size: 0.94rem;
  }

  .section {
    padding: 1rem;
  }
}
