:root {
  color-scheme: light;
  --bg: #f5f5f3;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --surface-soft: #eeeeeb;
  --text: #171717;
  --text-soft: #5f6368;
  --text-faint: #85888c;
  --border: rgba(20, 20, 20, 0.10);
  --border-strong: rgba(20, 20, 20, 0.16);
  --terminal-bg: #f0f0ed;
  --terminal-text: #202124;
  --accent: #167c3d;
  --accent-soft: rgba(22, 124, 61, 0.10);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --max-width: 1080px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101112;
  --surface: rgba(28, 30, 32, 0.78);
  --surface-solid: #1c1e20;
  --surface-soft: #252729;
  --text: #f2f2f0;
  --text-soft: #a9acae;
  --text-faint: #73777b;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.15);
  --terminal-bg: #181a1c;
  --terminal-text: #e8e8e6;
  --accent: #4cc978;
  --accent-soft: rgba(76, 201, 120, 0.10);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% -10%, var(--accent-soft), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: Consolas, "Cascadia Mono", monospace;
  font-weight: 650;
  font-size: 17px;
  letter-spacing: -0.03em;
}

.brand-mark {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  color: var(--text-soft);
  font-size: 13px;
}

.nav a,
.site-footer a {
  transition: color 160ms ease;
}

.nav a:hover,
.site-footer a:hover {
  color: var(--text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text-soft);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  backdrop-filter: blur(16px);
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.hero {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 90px auto 0;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 76px;
}

.terminal-window {
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--terminal-bg);
  box-shadow: var(--shadow);
}

.terminal-bar {
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-faint);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 11px;
}

.traffic-lights {
  display: flex;
  gap: 6px;
  width: 70px;
}

.traffic-lights span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  opacity: 0.55;
}

.terminal-title {
  flex: 1;
  text-align: center;
  margin-right: 70px;
}

.terminal-status {
  color: var(--accent);
  font-size: 10px;
}

.terminal-body {
  min-height: 330px;
  padding: 30px;
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 13px;
  line-height: 1.9;
  color: var(--terminal-text);
}

.prompt {
  color: var(--accent);
}

.command {
  margin-left: 7px;
}

.cursor {
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}

.output-line {
  margin-left: 2px;
}

.output-line:first-of-type {
  margin-top: 18px;
}

.muted {
  color: var(--text-faint);
}

.success {
  color: var(--accent);
  font-weight: 700;
}

.hero-copy {
  max-width: 520px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow span {
  font-size: 8px;
}

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

h1 {
  margin: 15px 0 22px;
  font-size: clamp(42px, 5vw, 66px);
  line-height: 0.99;
  letter-spacing: -0.055em;
  font-weight: 650;
}

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

.hero-copy > p {
  max-width: 480px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 17px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.button-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent);
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
}

.install-hint {
  margin: 15px 0 0 !important;
  color: var(--text-faint) !important;
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 11px !important;
}

.section {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 150px auto 0;
}

.section-heading {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
}

.section-number {
  color: var(--accent);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 11px;
  padding-top: 8px;
}

.section-heading h2 {
  margin-bottom: 7px;
  font-size: 28px;
  letter-spacing: -0.035em;
}

.section-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

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

.step {
  min-height: 190px;
  padding: 28px 30px 20px 0;
  border-bottom: 1px solid var(--border);
}

.step + .step {
  padding-left: 30px;
  border-left: 1px solid var(--border);
}

.step-number {
  display: block;
  margin-bottom: 38px;
  color: var(--text-faint);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 11px;
}

.step h3,
.feature h3 {
  margin-bottom: 8px;
  font-size: 15px;
  letter-spacing: -0.015em;
}

.step p,
.feature p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.65;
}

code {
  padding: 2px 5px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-soft);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 0.9em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.feature {
  min-height: 210px;
  padding: 28px 25px 25px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.feature:first-child {
  padding-left: 0;
}

.feature:last-child {
  border-right: 0;
}

.feature-icon {
  display: block;
  margin-bottom: 42px;
  color: var(--accent);
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 16px;
}

.download-section {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 150px auto 0;
  padding: 48px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.download-section h2 {
  margin: 12px 0 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.site-footer {
  width: min(var(--max-width), calc(100% - 40px));
  min-height: 100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 25px;
  color: var(--text-faint);
  font-size: 11px;
}

.site-footer span:first-child {
  color: var(--text);
  font-family: Consolas, "Cascadia Mono", monospace;
}

.site-footer a {
  margin-left: auto;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 850px) {
  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    margin-top: 60px;
  }

  .hero-copy {
    order: -1;
  }

  .terminal-body {
    min-height: 280px;
  }

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

  .step + .step {
    padding-left: 0;
    border-left: 0;
  }

  .step:nth-child(even) {
    padding-left: 25px;
    border-left: 1px solid var(--border);
  }

  .feature:nth-child(2) {
    border-right: 0;
  }

  .feature:nth-child(3) {
    padding-left: 0;
  }

  .download-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section,
  .download-section,
  .site-footer {
    width: min(100% - 28px, var(--max-width));
  }

  .site-header {
    min-height: 64px;
  }

  .theme-toggle span:last-child {
    display: none;
  }

  h1 {
    font-size: 43px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .terminal-body {
    min-height: 245px;
    padding: 20px;
    font-size: 11px;
    overflow-x: auto;
  }

  .terminal-title {
    margin-right: 0;
  }

  .traffic-lights {
    width: 35px;
  }

  .terminal-status {
    display: none;
  }

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

  .step,
  .step:nth-child(even) {
    padding: 25px 0;
    border-left: 0;
  }

  .step-number,
  .feature-icon {
    margin-bottom: 25px;
  }

  .feature,
  .feature:first-child,
  .feature:nth-child(3) {
    padding: 25px 0;
    border-right: 0;
  }

  .site-footer {
    flex-wrap: wrap;
    padding: 25px 0;
  }

  .site-footer a {
    margin-left: 0;
  }
}