* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0f0f1a;
  --bg-elev: #16162a;
  --bg-card: #1a1a2e;
  --border: #2a2a4a;
  --text: #e6e6ec;
  --text-dim: #a0a0b8;
  --text-faint: #6a6a85;
  --accent: #e94560;
  --accent-soft: rgba(233, 69, 96, 0.18);
  --good: #4ecca3;
  --good-soft: rgba(78, 204, 163, 0.12);
  --code-bg: #16162a;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.hero {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(32px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 12px;
  color: #ffffff;
}

.subtitle {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 56ch;
}

.download-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 28px 22px;
  margin-bottom: 36px;
  text-align: center;
}

.download-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-faint);
}

.version-badge {
  background: var(--good-soft);
  color: var(--good);
  border: 1px solid rgba(78, 204, 163, 0.35);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.4px;
}

.size {
  font-family: "JetBrains Mono", "Consolas", monospace;
}

.download-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  border-bottom: none;
  transition: background 0.15s, transform 0.05s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(233, 69, 96, 0.25);
}

.download-btn:hover {
  background: #ff5a78;
  border-bottom: none;
  color: #fff;
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
}

.download-btn:active {
  transform: scale(0.98);
}

.download-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-faint);
}

.download-note a {
  color: var(--text-dim);
}

/* Feature grid (showcase) */
.features {
  margin-bottom: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 6px;
}

.feature {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}

.feature-icon {
  font-size: 22px;
  margin-bottom: 6px;
  line-height: 1;
}

.feature h3 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.1px;
}

.feature p {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-dim);
  margin-bottom: 0;
}

.feature code {
  font-size: 0.85em;
  padding: 1px 5px;
}

/* Install card (one-liner) */
.install-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 26px 22px;
  margin-bottom: 36px;
}

.install-card h2 {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 8px;
}

.install-lead {
  font-size: 14px;
  margin-bottom: 16px;
}

.install-cmd {
  position: relative;
  background: #0b0b16;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 96px 14px 16px;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 13px;
  color: #c9c9e0;
  margin-bottom: 14px;
  overflow-x: auto;
  white-space: nowrap;
}

.install-cmd code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.copy-cmd-btn {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}

.copy-cmd-btn:hover {
  background: #ff5a78;
}

.copy-cmd-btn.copied {
  background: var(--good);
}

.install-warn {
  background: rgba(204, 162, 78, 0.08);
  border-left: 3px solid #cca24e;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 14px;
  line-height: 1.55;
}

.install-warn strong {
  color: #e0bc73;
  display: block;
  margin-bottom: 4px;
}

.install-source {
  margin-bottom: 12px;
}

.install-source pre {
  background: #0b0b16;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  margin-top: 10px;
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
}

.install-source pre code {
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.55;
  color: #c9c9e0;
  background: none;
  border: none;
  padding: 0;
  white-space: pre;
  word-break: normal;
}

.install-source-note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-faint);
}

.install-fallback {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-faint);
  margin-bottom: 0;
}

/* Manual install download row */
.download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 18px;
}

.download-meta-inline {
  font-size: 12px;
  font-weight: 500;
  opacity: 0.85;
  margin-left: 6px;
}

.manual-pin {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-faint);
}

h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 18px 0 8px;
}

section {
  margin-bottom: 32px;
}

h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  color: #ffffff;
  letter-spacing: -0.2px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

p {
  margin-bottom: 12px;
  color: var(--text-dim);
}

p:last-child {
  margin-bottom: 0;
}

ul,
.steps {
  padding-left: 22px;
  margin-bottom: 14px;
  color: var(--text-dim);
}

li {
  margin-bottom: 10px;
}

.steps li::marker {
  color: var(--accent);
  font-weight: 700;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

a:hover {
  border-bottom-color: var(--accent);
  color: #ff5e7a;
}

strong {
  color: var(--text);
  font-weight: 600;
}

em {
  font-style: italic;
  color: var(--text);
}

code {
  font-family: "JetBrains Mono", "Fira Code", "Consolas", "Courier New",
    monospace;
  font-size: 0.92em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: #c9c9e0;
  word-break: break-word;
}

.warnings {
  background: rgba(204, 162, 78, 0.06);
  border-left: 3px solid #cca24e;
  border-radius: 8px;
  padding: 16px 22px;
}

.warnings h2 {
  border-bottom-color: rgba(204, 162, 78, 0.25);
  color: #cca24e;
  font-size: 16px;
}

details {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 10px;
}

details[open] {
  background: var(--bg-card);
}

summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  user-select: none;
  padding: 2px 0;
}

summary:hover {
  color: var(--accent);
}

details p {
  margin-top: 10px;
  color: var(--text-dim);
}

footer {
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-faint);
  text-align: center;
}

footer a {
  color: var(--text-dim);
  border-bottom-color: var(--border);
}

footer a:hover {
  color: var(--text);
  border-bottom-color: var(--text-dim);
}

::selection {
  background: var(--accent-soft);
  color: #ffffff;
}