:root {
  --bg: #05060a;
  --bg-elevated: rgba(16, 19, 31, 0.85);
  --bg-highlight: rgba(22, 27, 41, 0.9);
  --text-primary: #f4f6ff;
  --text-secondary: #98a4c8;
  --accent: #ffbc5d;
  --border: rgba(255, 255, 255, 0.08);
  --radius-large: 24px;
  --radius-medium: 16px;
  --shadow-soft: 0 30px 60px rgba(0, 0, 0, 0.45);
  font-size: 16px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #0f1320 0%, var(--bg) 55%);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  line-height: 1.7;
}

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

a:hover {
  text-decoration: underline;
}

.hero {
  padding: 2.6rem 1.5rem;
  background: linear-gradient(160deg, rgba(31, 45, 70, 0.9), rgba(16, 31, 52, 0.75));
  box-shadow: var(--shadow-soft);
  border-bottom: 1px solid var(--border);
}

.hero__inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.75rem 3.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--accent);
  color: #020205;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  gap: 0.55rem;
}

.button:hover {
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.4);
}

.button--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: none;
}

.button--outline:hover {
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.35);
}

.button--icon {
  padding-left: 1.6rem;
  padding-right: 1.9rem;
}

.button__icon {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

.button__label {
  display: inline-flex;
  align-items: center;
}

main {
  flex: 1 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.readme {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 4vw, 3rem);
  background: var(--bg-elevated);
  border-radius: var(--radius-large);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  position: relative;
}

.readme__logo {
  text-align: center;
  margin-bottom: 1rem;
}

.readme__logo img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-large);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35);
}

.readme__tagline {
  margin: 0 0 2rem;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.readme > *:first-child {
  margin-top: 0;
}

.readme h1,
.readme h2,
.readme h3,
.readme h4 {
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.readme h2 {
  margin-top: 3rem;
  font-size: clamp(2rem, 2.4vw, 2.4rem);
}

.readme h3 {
  margin-top: 2.5rem;
  font-size: clamp(1.35rem, 1.8vw, 1.6rem);
}

.readme p,
.readme ul,
.readme ol,
.readme blockquote {
  color: var(--text-secondary);
}

.readme ul,
.readme ol {
  padding-left: 1.3rem;
}

.readme li + li {
  margin-top: 0.3rem;
}

.readme blockquote {
  margin: 2rem 0;
  padding: 1.2rem 1.5rem;
  background: var(--bg-highlight);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-medium);
  font-style: italic;
  color: var(--text-primary);
}

.readme pre {
  overflow-x: auto;
  background: rgba(7, 9, 15, 0.9);
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius-medium);
  border: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.95rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.readme code {
  font-family: "Fira Code", "Source Code Pro", monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  color: #fefbff;
}

.readme pre code {
  display: block;
  padding: 0;
  background: none;
  border-radius: 0;
}

.readme img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  border-radius: var(--radius-medium);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.4);
}

.readme table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: rgba(10, 12, 20, 0.85);
  border-radius: var(--radius-medium);
  overflow: hidden;
}

.readme th,
.readme td {
  padding: 0.9rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.footer {
  text-align: center;
  padding: 2.6rem 1.5rem 3.2rem;
  background: rgba(5, 6, 10, 0.95);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.footer__line {
  margin: 0;
}

.footer__line--primary {
  font-size: 1.05rem;
  color: var(--text-primary);
  max-width: 32rem;
}

.footer__line--secondary {
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 720px) {
  .hero {
    padding: 2.2rem 1.25rem;
  }

  .readme {
    padding: 2.4rem 1.4rem;
  }

  .readme img {
    border-radius: 14px;
  }
}

@media (max-width: 540px) {
  .cta {
    flex-direction: column;
    align-items: center;
    gap: 1.7rem;
  }

  .cta .button {
    width: 100%;
    max-width: 280px;
  }
}