:root {
  --bg: #091018;
  --bg-soft: #101b26;
  --surface: rgba(20, 31, 43, 0.85);
  --surface-strong: rgba(27, 42, 58, 0.95);
  --text: #f0f4f8;
  --text-muted: #b2c0cf;
  --line: rgba(156, 176, 197, 0.22);
  --accent: #f59e0b;
  --accent-strong: #f97316;
  --accent-cool: #22d3ee;
  --success: #10b981;
  --shadow: 0 18px 40px rgba(5, 8, 12, 0.42);
  --radius: 16px;
  --font-display: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Avenir", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: linear-gradient(160deg, #0a1118 0%, #132232 48%, #0d1823 100%);
  line-height: 1.55;
}

.page-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.2) 0, transparent 40%),
    radial-gradient(circle at 85% 0, rgba(34, 211, 238, 0.2) 0, transparent 40%),
    repeating-linear-gradient(
      115deg,
      rgba(156, 176, 197, 0.05),
      rgba(156, 176, 197, 0.05) 1px,
      transparent 1px,
      transparent 28px
    );
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(9, 16, 24, 0.7);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.24rem 0.62rem;
  background: rgba(240, 244, 248, 0.05);
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2.2rem;
  align-items: center;
  padding: 4.7rem 0 3.2rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--accent-cool);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.8rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  margin: 0 0 0.55rem;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  max-width: 18ch;
}

h2 {
  font-size: clamp(1.45rem, 2.8vw, 2.15rem);
}

h3 {
  font-size: 1.2rem;
}

.hero-lead {
  margin: 1rem 0 1.4rem;
  color: var(--text-muted);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.75rem 1.2rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  color: #1f1605;
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.3);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(240, 244, 248, 0.04);
}

.hero-bullets {
  margin: 1.35rem 0 0;
  padding-left: 1.15rem;
  color: var(--text-muted);
}

.hero-bullets li + li {
  margin-top: 0.4rem;
}

.hero-panel {
  background: linear-gradient(140deg, rgba(24, 39, 55, 0.86), rgba(13, 26, 39, 0.95));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 1.3rem;
}

.hero-panel p {
  margin: 0.3rem 0 1rem;
  color: var(--text-muted);
}

.terminal {
  display: grid;
  gap: 0.65rem;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  border-radius: 12px;
  background: #050b12;
  border: 1px solid rgba(156, 176, 197, 0.22);
  padding: 0.52rem 0.55rem 0.52rem 0.75rem;
}

code,
pre {
  font-family: var(--font-mono);
}

code {
  color: #cffafe;
}

pre {
  margin: 0;
  overflow-x: auto;
}

button {
  border: 1px solid rgba(34, 211, 238, 0.4);
  background: rgba(34, 211, 238, 0.08);
  color: #d5f6ff;
  border-radius: 9px;
  padding: 0.36rem 0.66rem;
  font-size: 0.8rem;
  cursor: pointer;
}

button:hover,
button:focus-visible {
  background: rgba(34, 211, 238, 0.18);
}

.section {
  padding: 2.4rem 0;
}

.section-compact {
  padding-bottom: 4.4rem;
}

.section-head {
  margin-bottom: 1.1rem;
}

.section-copy {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.code-card,
.timeline-item,
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card,
.timeline-item {
  padding: 1rem 1rem 1.05rem;
}

.card p {
  margin: 0.25rem 0 0;
  color: var(--text-muted);
}

.step {
  margin: 0;
  color: var(--success);
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-weight: 700;
}

.small-copy {
  margin-top: 0.7rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 0.78rem 0.95rem;
  border-bottom: 1px solid rgba(156, 176, 197, 0.18);
  vertical-align: top;
}

th {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #f8b84e;
}

td {
  color: var(--text-muted);
}

.code-card {
  padding: 1rem;
  background: rgba(13, 24, 35, 0.95);
}

.code-title {
  margin-bottom: 0.7rem;
  font-family: var(--font-display);
  color: #f8b84e;
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-version {
  margin: 0 0 0.35rem;
  color: #f8b84e;
  font-weight: 700;
}

.timeline-item ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
}

.timeline-item li + li {
  margin-top: 0.35rem;
}

.footer {
  border-top: 1px solid var(--line);
  background: rgba(9, 16, 24, 0.75);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0 1.35rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-github {
  color: var(--text);
  text-decoration: none;
}

.footer-github:hover,
.footer-github:focus-visible {
  color: var(--accent-cool);
}

[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  animation: rise-in 0.68s cubic-bezier(0.2, 0.86, 0.31, 1) forwards;
}

[data-animate="2"] {
  animation-delay: 0.08s;
}

[data-animate="3"] {
  animation-delay: 0.14s;
}

[data-animate="4"] {
  animation-delay: 0.2s;
}

[data-animate="5"] {
  animation-delay: 0.26s;
}

[data-animate="6"] {
  animation-delay: 0.32s;
}

[data-animate="7"] {
  animation-delay: 0.38s;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3.4rem;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 0.65rem;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  th,
  td {
    padding: 0.68rem 0.62rem;
  }
}