:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #090909;
  --soft-ink: #363636;
  --muted: #8f8f8f;
  --line: #ededed;
  --panel: rgba(255, 255, 255, 0.92);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
  --pill-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a,
button {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button {
  border: 0;
}

.corner-nav {
  position: fixed;
  top: 18px;
  left: 0;
  z-index: 20;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: flex-end;
  padding: 0 clamp(18px, 4vw, 42px);
  pointer-events: none;
}

.github-link {
  pointer-events: auto;
}

.github-link {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.github-link:hover {
  transform: translateY(-2px);
  opacity: 0.82;
}

.github-link img {
  display: block;
  width: 42px;
  height: 42px;
}

.page-shell {
  width: min(100%, 940px);
  margin: 0 auto;
  padding: 78px 20px 34px;
}

.intro {
  display: grid;
  justify-items: center;
  text-align: center;
}

.title-lockup {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
}

.mark {
  display: flex;
  width: 64px;
  height: 50px;
  align-items: center;
  justify-content: center;
  gap: 3px;
  margin-bottom: 2px;
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.cursor {
  animation: blink 1.25s steps(2, start) 4;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6.4vw, 72px);
  line-height: 0.82;
  font-weight: 950;
  letter-spacing: 0;
}

.tagline {
  width: fit-content;
  max-width: 100%;
  margin: 24px auto 0;
  border-radius: 999px;
  padding: 8px 16px;
  color: var(--soft-ink);
  background: #f1f1f1;
  box-shadow: none;
  font-size: clamp(11px, 1.5vw, 13px);
  font-weight: 760;
}

.showcase {
  position: relative;
  min-height: 420px;
  margin: 34px auto 0;
  border-radius: 20px;
}

.showcase::before {
  position: absolute;
  top: 48px;
  left: 50%;
  width: min(74vw, 640px);
  min-height: 356px;
  content: "";
  transform: translateX(-50%);
  border-radius: 18px;
  background:
    linear-gradient(
      172deg,
      transparent 0 46%,
      rgba(255, 255, 255, 0.78) 46% 53%,
      transparent 53%
    ),
    linear-gradient(
      86deg,
      transparent 0 63%,
      rgba(255, 255, 255, 0.68) 63% 70%,
      transparent 70%
    ),
    #eeeeee;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.025);
}

.mode-switch {
  position: absolute;
  top: 18px;
  left: 50%;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(3, 72px);
  min-height: 60px;
  transform: translateX(-50%);
  border-radius: 18px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.mode-switch button {
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 14px;
  color: var(--soft-ink);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.mode-switch button.active {
  background: var(--ink);
  color: white;
}

.terminal-card {
  position: relative;
  width: min(74vw, 640px);
  min-height: 430px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 0 0 18px 18px;
  background: transparent;
  box-shadow: none;
}

.terminal-card::before,
.terminal-card::after {
  display: none;
}

.terminal-card pre {
  position: absolute;
  left: 50%;
  top: 142px;
  z-index: 3;
  width: min(82%, 470px);
  margin: 0;
  transform: translateX(-50%);
  border-radius: 14px;
  padding: 18px 20px;
  overflow: hidden;
  color: #191919;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--pill-shadow);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(12px, 1.8vw, 14px);
  line-height: 1.65;
  white-space: pre-wrap;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.terminal-card pre.is-changing {
  opacity: 0;
  transform: translate(-50%, 8px);
}

.terminal-card code {
  display: block;
}

.terminal-card code:first-child::before {
  content: "$ ";
  color: #6f6f6f;
}

.muted {
  color: #8b8b8b;
}

.tool {
  color: #111;
  font-weight: 800;
}

.install-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-top: 22px;
  color: var(--soft-ink);
}

.install-command {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 18px;
  color: var(--soft-ink);
  background: #fff;
  box-shadow: var(--pill-shadow);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  font-weight: 760;
  user-select: text;
}

.install-row a {
  font-size: 14px;
  font-weight: 780;
}

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

@media (max-width: 720px) {
  .corner-nav {
    top: 14px;
  }

  .github-link {
    width: 42px;
    height: 42px;
  }

  .github-link img {
    width: 42px;
    height: 42px;
  }

  .page-shell {
    padding-top: 74px;
  }

  .mark {
    width: 52px;
    height: 42px;
    font-size: 27px;
  }

  .showcase {
    min-height: 392px;
    margin-top: 30px;
  }

  .showcase::before {
    top: 42px;
    width: min(88vw, 520px);
    min-height: 328px;
  }

  .mode-switch {
    top: 12px;
    grid-template-columns: repeat(3, 58px);
    min-height: 62px;
    border-radius: 16px;
  }

  .terminal-card {
    width: min(88vw, 520px);
    min-height: 392px;
  }

  .terminal-card pre {
    top: 126px;
    width: 86%;
    padding: 15px;
  }

  .install-row {
    flex-direction: column;
    gap: 12px;
    margin-top: 18px;
  }
}

@media (max-width: 420px) {
  .tagline {
    padding-right: 15px;
    padding-left: 15px;
    font-size: 12px;
  }

  .showcase {
    min-height: 372px;
  }

  .terminal-card {
    width: 92vw;
    min-height: 372px;
  }

  .terminal-card pre {
    top: 118px;
    width: 88%;
  }

  .install-command {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}