@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
@import url('https://fonts.cdnfonts.com/css/satoshi');
@import url('https://fonts.googleapis.com/css2?family=Noto+Emoji:wght@400&display=swap');

:root {
  --body-bg: radial-gradient(circle at 15% 25%, #1e222c 0%, #131620 55%, #08090c 100%);
  --page-bg: linear-gradient(180deg, rgba(28, 32, 42, 0.95) 0%, rgba(16, 19, 28, 0.92) 45%, rgba(9, 10, 14, 0.9) 100%);
  --border: #2b2f36;
  --text-strong: #f5f7fb;
  --text-muted-title: #c2c8d4;
  --detail-bg: #050505;
  --detail-text: #d7dde6;
  --button-start: #8ab9ff;
  --button-end: #58e9ff;
  --button-text: #050505;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--body-bg);
  background-attachment: fixed;
  background-size: cover;
  background-repeat: no-repeat;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-strong);
  display: flex;
  justify-content: center;
}

.page {
  width: min(992px, 100%);
  min-height: 100vh;
  background: var(--page-bg);
  background-attachment: fixed;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.65);
  padding-bottom: 160px;
}

.block {
  border-top: 1px solid var(--border);
}

.block-heading {
  padding: 48px 32px 28px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: transparent;
}

.block-heading h2,
.block-heading h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 2.9rem);
  color: var(--text-strong);
  letter-spacing: -0.01em;
  font-family: 'Satoshi', 'Inter', sans-serif;
}

.block-heading p {
  margin: 16px auto 0;
  color: var(--text-strong);
  letter-spacing: 0.08em;
  font-size: 1rem;
}

.block-body {
  padding: 32px;
  background: var(--detail-bg);
  border-bottom: 1px solid var(--border);
}

.block-body > p:first-of-type {
  text-align: center;
  color: var(--text-muted-title);
  margin-bottom: 16px;
}

.logo-full {
  width: 100%;
  height: auto;
  display: block;
  margin: 32px auto 8px;
  padding: 24px 40px 12px 40px;
  max-width: calc(100% - 80px);
}

.nav-buttons {
  gap: 16px;
}

.block-body ul {
  margin: 0;
  padding-left: 1.4rem;
  color: var(--detail-text);
  line-height: 1.6;
}

.detail-term {
  display: block;
  color: var(--text-strong);
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 4px;
  font-family: 'Satoshi', 'Inter', sans-serif;
}

.emoji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.4em;
  font-size: 1.2em;
  line-height: 1;
  color: var(--text-strong);
  font-family: 'Noto Emoji', sans-serif;
  font-variant-emoji: text;
  filter: grayscale(1);
}

.block-body a {
  color: var(--text-strong);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 2px;
}

.detail-grid {
  padding-top: 0;
}

.detail-card {
  padding: 16px;
  height: 100%;
  background: #050505;
}

.detail-card h3,
.detail-card h2 {
  margin: 0;
  color: var(--text-strong);
  letter-spacing: 0.08em;
}

.detail-card h3:not(:last-child),
.detail-card h2:not(:last-child) {
  margin-bottom: 16px;
}

.detail-card h3 {
  font-size: 1rem;
  font-weight: 600;
}

.detail-card h2 {
  font-size: 1.35rem;
}

.detail-card p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--detail-text);
}

.block-body dl {
  margin: 0;
}

dl dt {
  font-size: 0.75rem;
  color: var(--text-muted-title);
  letter-spacing: 0.1em;
}

dl dd {
  margin: 6px 0 24px;
  font-size: 1rem;
  color: var(--detail-text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  color: var(--detail-text);
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-strong);
  text-decoration: none;
}

@media (max-width: 540px) {
  .block-heading,
  .block-body {
    padding-left: 20px;
    padding-right: 20px;
  }

  .logo-full {
    margin: 16px auto 4px;
    padding: 8px 8px 4px 8px;
    max-width: 100%;
  }
}