:root {
  --bg: #f7f8f5;
  --surface: #ffffff;
  --ink: #0b0f14;
  --muted: #5d6470;
  --line: #dfe4dc;
  --accent: #0b7a4b;
  --accent-bright: #70ffaf;
  --accent-soft: #e7f7ee;
  --code: #0b0f14;
  --code-line: #263039;
  --shadow: 0 24px 70px rgba(11, 15, 20, 0.08);
  --radius: 18px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", "SF Pro Text", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
code,
pre {
  font-family: "SFMono-Regular", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}

code {
  font-size: 0.92em;
  background: #eef1ea;
  border-radius: 6px;
  padding: 0.12em 0.35em;
}

pre code {
  background: none;
  padding: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px;
  backdrop-filter: blur(16px);
  background: rgba(247, 248, 245, 0.86);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 20px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--accent-bright);
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: var(--muted);
}

.site-nav a {
  transition: color 0.2s ease;
}

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

.nav-cta {
  color: var(--ink) !important;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  background: var(--surface);
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 92px 24px 72px;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -140px 10% auto;
  height: 420px;
  background: radial-gradient(ellipse at center, rgba(112, 255, 175, 0.35), transparent 65%);
  filter: blur(10px);
  z-index: -1;
}

.hero-badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 880px;
  margin: 18px auto 22px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

h1 span {
  color: var(--accent);
}

.hero-copy {
  max-width: 660px;
  margin: 0 auto 30px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 12px 30px rgba(11, 15, 20, 0.2);
}

.button-primary:hover {
  background: #182028;
}

.button-ghost {
  background: var(--surface);
  border-color: var(--line);
}

.release-line {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.release-line strong {
  color: var(--ink);
}

.release-line a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.dot {
  margin: 0 8px;
  color: #a7aea4;
}

.download-section,
.features,
.quickstart,

.piksel {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 20px;
}

.piksel-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 18px;
  align-items: stretch;
}

.piksel-copy {
  padding: 6px 4px;
}

.piksel-copy h2 {
  margin: 10px 0 12px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.piksel-copy > p:not(.eyebrow) {
  color: var(--muted);
}

.steps {
  display: grid;
  gap: 18px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.step-index {
  display: inline-grid;
  flex: 0 0 30px;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.steps strong {
  display: block;
  font-size: 15px;
}

.steps p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.piksel-terminal {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--code);
  color: #e9f7ef;
  box-shadow: var(--shadow);
}

.terminal-head {
  padding: 10px 18px;
  border-bottom: 1px solid var(--code-line);
  color: #9eb3a5;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.terminal-head-second {
  border-top: 1px solid var(--code-line);
}

.piksel-terminal pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  color: #e9f7ef;
  font-size: 12px;
  line-height: 1.85;
}

.piksel-terminal pre code {
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 880px) {
  .piksel-panel {
    grid-template-columns: 1fr;
  }

  .piksel-copy {
    padding: 0;
  }
}

.ecosystem {
  max-width: var(--max);
  margin: 0 auto;
  padding: 76px 24px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 10px 0 10px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-heading p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.install-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.install-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: #fbfcf9;
}

.install-tabs button {
  flex: 1;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  padding: 13px 18px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.install-tabs button:last-child {
  border-right: 0;
}

.install-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.install-command {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 26px;
  background: var(--code);
  color: #e9f7ef;
}

.install-command pre {
  flex: 1;
  min-width: 0;
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 14px;
}

.prompt {
  color: var(--accent-bright);
  user-select: none;
}

.copy-button {
  border: 1px solid var(--code-line);
  border-radius: 9px;
  background: #141b22;
  color: #d8e4dc;
  padding: 7px 10px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.copy-button:hover {
  background: #1d2831;
  border-color: #3b4a54;
}

.install-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 14px 26px 18px;
  color: var(--muted);
  font-size: 13px;
}

.install-links {
  display: flex;
  gap: 16px;
}

.install-links a,
.text-link {
  color: var(--accent);
  font-weight: 600;
}

.features {
  padding-top: 56px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(11, 15, 20, 0.07);
}

.feature-icon {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.quickstart {
  padding-top: 40px;
}

.quickstart-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: stretch;
}

.code-card,
.quickstart-copy {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.code-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.code-lang {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.code-card pre,
.quickstart-copy pre {
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  background: var(--code);
  color: #e9f7ef;
  font-size: 13px;
  line-height: 1.9;
}

.code-card {
  overflow: hidden;
}

.code-card pre {
  min-height: 100%;
}

.quickstart-copy {
  padding: 24px;
}

.quickstart-copy h3 {
  margin-bottom: 4px;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.quickstart-copy p {
  color: var(--muted);
  font-size: 14px;
}

.quickstart-copy pre {
  margin: 16px 0;
  border-radius: 12px;
  padding: 16px;
}

.ecosystem {
  padding-top: 40px;
  padding-bottom: 96px;
}

.ecosystem-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.ecosystem-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.ecosystem-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.ecosystem-item strong {
  font-size: 14px;
}

.ecosystem-item span {
  color: var(--muted);
  font-size: 12px;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 24px 42px;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
}

.footer-brand {
  justify-content: center;
  color: var(--ink);
  font-size: 16px;
}

.site-footer > p {
  margin: 8px 0;
  font-size: 13px;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
  margin: 18px 0;
  font-size: 13px;
}

.footer-links a {
  color: var(--ink);
}

.footer-links a:hover {
  color: var(--accent);
}

.copyright {
  color: #929a90;
}

:focus-visible {
  outline: 3px solid rgba(11, 122, 75, 0.45);
  outline-offset: 3px;
}

@media (max-width: 880px) {
  .site-header {
    padding: 16px 18px;
  }

  .site-nav {
    gap: 14px;
    font-size: 13px;
  }

  .site-nav a:nth-child(2),
  .site-nav a:nth-child(3) {
    display: none;
  }

  .hero {
    padding-top: 64px;
  }

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

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

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

@media (max-width: 560px) {
  h1 {
    font-size: 42px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .install-command {
    flex-direction: column;
  }

  .copy-button {
    align-self: flex-end;
  }

  .install-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .feature-grid,
  .ecosystem-list {
    grid-template-columns: 1fr;
  }
}